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# DIFI Consortium

Digital Intermediate Frequency Interoperability Consortium

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## Posts

- [News](https://dificonsortium.org/news/)
- [DIFI ESA Working Group Invites Broader Participation](https://dificonsortium.org/difi-esa-working-group-invites-broader-participation/) - DIFI ESA Working Group Prepares Industry Recommendations and Invites Broader Participation Piscataway, New Jersey, USA – October 20, 2025 - The Digital Intermediate Frequency Interoperability (DIFI) Consortium today announced that its Electronically Steerable Antenna (ESA) Working Group is actively developing recommendations to support interoperability and efficient network management of ESA terminals. The group aims to
- [DIFI PlugFest 2025](https://dificonsortium.org/difi-plugfest-2025/) - DIFI PlugFest 2025 Demonstrates Breakthroughs in Digital Interoperability for Satellite Ground Systems Event this month featured testing, analysis and a Showcase Day at WORK Microwave’s Holzkirchen Facility in Germany Piscataway, New Jersey, USA and Holzkirchen, Germany – XX September 2025 - The Digital Intermediate Frequency Interoperability Consortium (DIFI) successfully concluded its annual European PlugFest earlier
- [The Road to Interoperability - DIFI Consortium](https://dificonsortium.org/1193-2/) - The Digital IF Interoperability Consortium (DIFI) is an independent industry group formed under the auspices of the IEEE with the broad goal of encouraging interoperability and standards for space ground systems. This regular series explores interoperability issues and advancements to satellite network standards. READ MORE.....
- [DIFI Plugfest 2025 Opens September 8](https://dificonsortium.org/difi-plugfest-2025-opens-september-8/) - DIFI Plugfest 2025 Opens September 8, Showcasing the Future of Digital Interoperability in Satellite Ground Systems Showcase Day on September 11 to Feature Keynotes, Live Demos, and an Industry Panel at WORK Microwave’s Holzkirchen Facility September 09, 2025 14:17 ET | Source: DIFI Consortium PISCATAWAY, N.J., Sept. 09, 2025 (GLOBE NEWSWIRE) -- The Digital Intermediate Frequency
- [DIFI Standard 1.3.0 Released](https://dificonsortium.org/difi-standard-1-3-0-released/) - DIFI Standard 1.3.0 Released, Continuing Advancement of Interoperability in Digital Ground Technology Newest version of the standard includes in-band link establishment PISCATAWAY, N.J., Aug. 14, 2025 (GLOBE NEWSWIRE) -- The Digital Intermediate Frequency Interoperability Consortium (DIFI) announced the release of version 1.3.0 of its interoperability standard (IEEE-ISTO Std 4900-2021). Available for request on DIFI’s Website, the new version
- [DIFI Announces Workshop at MILCOM 2025](https://dificonsortium.org/difi-announces-workshop-at-milcom-2025/) - DIFI Consortium Calls for Presentations & Announces Date of 2025 Workshop at MILCOM Piscataway, New Jersey USA – July 21, 2025 – The Digital Intermediate Frequency Interoperability (DIFI) Consortium announced that its 2025 DIFI Workshop: The Digital Transformation of SATCOM will take place on October 6th during MILCOM 2025, in Los Angeles, California (USA). The
- [DIFI PlugFest to Feature NATO’S Ricciardi as Keynote](https://dificonsortium.org/difi-plugfest-to-feature-natos-ricciardi-as-keynote/) - DIFI PlugFest to Feature NATO’S Ricciardi as Keynote Technology and Security arm of NATO to discuss results of its report on interoperability at WORK Microwave’s Holzkirchen Facility 11 September July 14, 2025 10:07 ET | Source: DIFI Consortium PISCATAWAY, N.J., July 14, 2025 (GLOBE NEWSWIRE) -- The Digital Intermediate Frequency Interoperability Consortium (DIFI) announced that Angelo Ricciardi,
- [DIFI to Hold 2025 PlugFest 8-11 September](https://dificonsortium.org/difi-to-hold-2025-plugfest-8-11-september/) - DIFI to Hold 2025 PlugFest in Munich Region of Germany September 8-11 WORK Microwave to host event testing interoperability of digital ground systems up to Version 1.2.1 of the DIFI Standard Piscataway, New Jersey USA – April 16, 2025 – The Digital Intermediate Frequency Interoperability Consortium (DIFI) announced that it will conduct its second European PlugFest in
- [Sivers Semiconductors Joins DIFI](https://dificonsortium.org/sivers-semiconductors-joins-difi/) - Sivers Semiconductors Joins the DIFI Consortium to Advance Satellite Network Interoperability Membership Positions Company as a Key Contributor in Advancing the Future of Satellite Connectivity Through Open Standards Kista, Sweden – May 6, 2025 – Sivers Semiconductors AB (STO:SIVE), a global leader in photonics and wireless technologies, today announced that it has joined the Digital
- [DIFI Launches New Technical Certification Program](https://dificonsortium.org/difi-launches-new-technical-certification-program/) - DIFI Launches New Technical Certification Program In March, DIFI announced the launch of its eagerly awaited Certification process, beginning with a self-certification test, and the successful completion of product tests by Keysight Technologies and Kratos Defense & Security Solutions. In this first phase of the program, companies run specified DIFI tests and submit the results
- [New Version of DIFI Standard](https://dificonsortium.org/new-version-of-difi-standard/) - New Version of DIFI Standard Continues Advancing Interoperability in Digital Ground Technology Record number of companies will exhibit DIFI-compatible satcom products at SATELLITE 2025 in Washington, DC Piscataway, New Jersey USA - March 6, 2025 – The Digital Intermediate Frequency Interoperability Consortium (DIFI) announced that it has completed work on version 1.2.1 of its interoperability standard (IEEE-ISTO
- [DIFI-compatible satcom products at SATELLITE 2025](https://dificonsortium.org/record-number-of-companies-will-exhibit-difi-compatible-satcom-products-at-satellite-2025-in-washington-dc/) - New Version of DIFI Standard Continues Advancing Interoperability in Digital Ground Technology Record number of companies will exhibit DIFI-compatible satcom products at SATELLITE 2025 in Washington, DC Piscataway, New Jersey USA - March 6, 2025 – The Digital Intermediate Frequency Interoperability Consortium (DIFI) announced that it has completed work on version 1.2.1 of its interoperability standard (IEEE-ISTO
- [DIFI Announces Launch of New Certification Program](https://dificonsortium.org/difi-announces-launch-of-new-certification-program/) - DIFI Announced Launch of New Certification Program Keysight Technologies and Kratos Become First to Certify March 10, 2025 05:00 ET | Source: DIFI ConsortiumFollow PISCATAWAY, N.J., March 10, 2025 (GLOBE NEWSWIRE) -- The Digital Intermediate Frequency Interoperability Consortium (DIFI) announced that it has launched its eagerly awaited Certification process, beginning with a self-certification test. As of March 10th both
- [Sivers Semiconductors Wins Intelsat SATCOM Digitizer Dev. Prog. Award](https://dificonsortium.org/sivers-semiconductors-wins-intelsat-satcom-digitizer-dev-prog-award/) - The program will support the development of a next-generation high-performance digitizer for Intelsat’s SATCOM terminals based on the NXP Layerscape platform Kista, Sweden // January 29, 2025 // Today, Sivers Semiconductors announced that it has signed a contract to develop high-performance, low-cost digitizers based on the NXP Layerscape platform for SATCOM by Intelsat, operator of one of
- [DIFI Forms Digital Ground Certification Working Group](https://dificonsortium.org/difi-forms-digital-ground-certification-working-group/) - DIFI Forms Digital Ground Certification Working Group Goal is to help the U.S. DoD and Commercial Operators assure that Digital ground terminals, modems, and components will perform at levels that industry standards January 21, 2025 10:04 ET | Source: DIFI ConsortiumFollow PISCATAWAY, N.J., Jan. 21, 2025 (GLOBE NEWSWIRE) -- The Board of Directors of the Digital Intermediate
- [The Ground Segment’s Digital Shift](https://dificonsortium.org/the-ground-segments-digital-shift/) - The Ground Segment’s Digital Shift Moves from Education to Implementation By Kevin Dunne | December 13, 2024 FacebookXLinkedInPrintShare Via Satellite archive photo The satellite communications industry is going through a transformative period. The current shift towards virtualization and digitization is leading to innovation, and a whole host of emerging technologies are pushing the boundaries of what is
- [NAVWAR’s William Joo to Keynote DIFI Workshop at MILCOM](https://dificonsortium.org/navwars-william-joo-to-keynote-difi-workshop-at-milcom/) - To discuss the importance of DIFI-compliant apertures, advances and desired next steps across a range of developments October 09, 2024 10:31 ET| Source: DIFI ConsortiumFollow PISCATAWAY, N.J., Oct. 09, 2024 (GLOBE NEWSWIRE) -- William (Bill) Joo, Special Project Engineer for the U.S. Navy NAVWAR (formerly SPAWAR System Command) PEO C4I PMW/A 170 will give an important
- [DIFI Elects Board of Directors](https://dificonsortium.org/difi-elects-board-of-directors/) - DIFI Elects New Board of Directors Germany Based WORK Microwave Elected to the Board of the Global Consortium for the First Time PISCATAWAY,NJ (September 25, 2024) – The fast-growing Digital Intermediate Frequency Interoperability Consortium (DIFI) has completed its annual election for its governing Board of Directors. Representatives from Swedish Space Corporation and Washington, DC based Genus
- [Department of Army/AMC/CECOM/USAISEC Joins DIFI](https://dificonsortium.org/department-of-army-amc-cecom-usaisec-joins-difi/) - Department of Army/AMC/CECOM/USAISEC Joins DIFI Membership The United States Army’s Information Systems Engineering Command group joins USA Navy, Space Force, NATO and other Government Agencies in growing ranks of DIFI Members seeking interoperability standards August 26, 2024 08:00 ET| Source: DIFI Consortium NEW YORK, Aug. 26, 2024 (GLOBE NEWSWIRE) -- Coming off a successful PlugFest
- [DIFI’S PlugFest 2024 Europe & Showcase a Success](https://dificonsortium.org/difis-plugfest-2024-europe-showcase-a-success/) - Harwell UK event was global consortium’s first-ever test of ground segment interoperability in Europe Compliance rates for equipment tested to new standard over 90% according to the Digital Intermediate Frequency (IF) Interoperability Consortium New York, USA/Harwell, United Kingdom (30 July 2024) - UK Satellite Applications Catapult’s Harwell Campus was the site of the second PlugFest
- [DIFI Announces PlugFest 2024 Europe](https://dificonsortium.org/difi-announces-plugfest-2024-europe-june-17-21/) - Harwell UK event is DIFI’s first-ever test of ground segment interoperability in Europe June 17-21, 2024 - UK Satellite Applications Catapult's Harwell Campus May 10, 2024 09:39 ET| PISCATAWAY, N.J., May 10, 2024 (GLOBE NEWSWIRE) -- UK Satellite Applications Catapult’s Harwell Campus will be the site of the second PlugFest of the Digital Intermediate
- [It Ain't Standard Oil...It's the New Standards by Lou Zacharilla](https://dificonsortium.org/it-aint-standard-oil-its-the-new-standards-by-lou-zacharilla/) - It Ain't Standard Oil...It's the New Standards by Lou Zacharilla by Lou Zacharilla New York City, March 1, 2024--In 1910 the Supreme Court of the United States found Standard Oil Company of New Jersey guilty of monopolizing the petroleum industry through a series of abusive and anticompetitive actions. The Court's remedy was to divide Standard
- [DEV Systemtechnik GmbH joins the Digital IF Interoperability Consortium (DIFI)](https://dificonsortium.org/dev-systemtechnik-gmbh-joins-the-digital-if-interoperability-consortium-difi/) - Member Release: DEV Systemtechnik today announced that it has joined the DIFI Consortium, an independent space industry group formed to advance interoperability in satellite and ground system networks. DEV Systemtechnik joins a growing roster of leading organizations in the space industry coming together to form the Digital IF Interoperability Consortium. These organizations are contributing to
- [DIFI Chairman Stuart Daughtridge Nominated for Satellite Executive of the Year](https://dificonsortium.org/difi-chairman-stuart-daughtridge-nominated-for-satellite-executive-of-the-year/) - DIFI Chairman Stuart Daughtridge Nominated for Satellite Executive of the Year Recognition of his leadership in advancing interoperability for the ground segment PISCATAWAY, NJ March 5, 2024: In February, Via Satellite magazine announced its nominees for the coveted Satellite Executive of the Year award and included among them Stuart Daughtridge, Chairman of the Digital
- [DIFI Working Group to Tackle Interoperability Challenges Threatening Flat-Panel Antennas’ Future](https://dificonsortium.org/flat-panel-antennas-future/) - New DIFI Working Group to Tackle Interoperability Challenges Threatening Flat-Panel Antennas’ Future Rapid innovation in electronically-steerable technology has come at the price of interoperability (PISCATAWAY, NJ: February 27, 2024) The Digital Intermediate Frequency Interoperability Consortium (DIFI) has established a new working group to focus on a fast-emerging challenge to advancements in ground segment technology. Electronically-steered
- [A New Era of Digitization](https://dificonsortium.org/a-new-era-of-digitization/) - Simon Swift, Engineering Director – Digital Technologies, ETL Systems, and Vice Chair of the DIFI Working Group As stated in a report published by the UK Military of Defence (MoD) exploring the increasingly complex nature of combat, “the pace of technological change and proliferation is rapidly broadening and deepening the threat spectrum.” Not only have
- [World Teleport Association Joins DIFI](https://dificonsortium.org/world-teleport-association-joins-difi/) - THE WORLD TELEPORT ASSOCIATION JOINS THE DIGITAL IF INTEROPERABILITY CONSORTIUM (DIFI) Wednesday, November 22, 2023 (0 Comments) Posted by: Victoria Krisman Share | (New York City, November 22, 2023) – The World Teleport Association (WTA) today announced that it has joined the DIFI Consortium, an independent space industry group formed to advance interoperability in satellite and ground
- [September “Plugfest” Provided First Test of Interoperability Using the DIFI Standard for Ground Technology](https://dificonsortium.org/september-plugfest-provided-first-test-of-interoperability-using-the-difi-standard-for-ground-technology/) - September “Plugfest” Provided First Test of Interoperability Nearly 90% of vendor systems succeeded in communicating through 111 different test combinations, proving the functionality of the standard PISCATAWAY, NJ: 2 November 2023: The Digital Intermediate Frequency Interoperability Consortium (DIFI) held its first Plugfest – where vendors test the interoperability of their products based on a
- [DIFI Standard Version 1.2.0 Released](https://dificonsortium.org/difi-consortium-releases-version-1-2-0-of-the-difi-standard-with-improvement-in-flow-control/) - DIFI Consortium Releases Version 1.2.0 of the DIFI Standard with Improvement in Flow Control September 06, 2023 13:47 ET| Source: DIFI ConsortiumFollow PISCATAWAY, N.J., Sept. 06, 2023 (GLOBE NEWSWIRE) -- The Digital Intermediate Frequency Interoperability (DIFI) Consortium today announced the release of version 1.2.0 of the DIFI Standard, IEEE-ISTO Std 4900-2021: Digital IF Interoperability
- [DIFI Consortium Elects Leaders of Working Groups](https://dificonsortium.org/difi-consortium-elects-leaders-of-working-groups/) - DIFI Consortium Elects Leaders of Working Groups to Drive Evolution of its Digital Interoperability Specification and Certification PISCATAWAY, NJ: May 1, 2023: The Digital Intermediate Frequency Interoperability (DIFI) Consortium announced today the result of leadership elections for working groups that are driving the evolution of its digital Intermediate Frequency (IF)/Radio Frequency (RF) interoperability specification and
- [Top Satellite Companies and Users Join the DIFI Consortium](https://dificonsortium.org/top-satellite-companies-and-users-join-the-difi-consortium/) - Top Satellite Companies and Users Join the DIFI Consortium to Accelerate the Industry’s Digital Transformation PISCATAWAY, NJ: March 6, 2023: The Digital Intermediate Frequency Interoperability Consortium (DIFI) announced today the addition of new member organizations to its growing family of satellite service, technology, and major user organizations. Joining DIFI in the second half of
- [DIFI Lays the Building Blocks for Ground Tech Interoperability](https://dificonsortium.org/difi-lays-the-building-blocks-for-ground-tech-interoperability/) - DIFI Lays the Building Blocks for Ground Tech Interoperability Continued adoption of the ground segment’s interoperable digital standard would lead to benefits reaching space. From scalability and new efficiencies to more confident end users, DIFI is set to play an important role for the whole satellite ecosystem. When things just work, isn’t that really a
- [New US Army RFI Signals Growing Acceptance of Digital IF Standard](https://dificonsortium.org/new-us-army-rfi-signals-growing-acceptance-of-digital-if-standard/) - December 13, 2022 10:00 ET | Source: DIFI Consortium PISCATAWAY, N.J., Dec. 13, 2022 (GLOBE NEWSWIRE) -- The SATCOM industry passed a milestone recently when the US Army specified the Digital IF Interoperability (DIFI) Consortium’s standard as a requirement in two recent Requests for Information (RFIs). The US Army Wideband Enterprise Satellite Systems (PdM WESS) RFIs
- [DIFI Announces Workshop at MILCOM 2022](https://dificonsortium.org/difi-announces-workshop-at-milcom-2022/) - Digital IF Interoperability Consortium (DIFI) Announces Workshop at MILCOM 2022 The Digital Transformation of SATCOM October 10, 2022 07:00 ET | Source: DIFI Consortium PISCATAWAY, N.J., Oct. 10, 2022 (GLOBE NEWSWIRE) -- The DIFI Consortium is pleased to announce its special workshop: The Digital Transformation of SATCOM, at MILCOM 2022 on Monday, November 28, from 8:30 AM to 12 PM
- [DIFI Consortium Announces GNU Radio Talk and Release of Open-Source Software](https://dificonsortium.org/difi-consortium-announces-gnu-radio-talk-and-release-of-open-source-software/) - Digital IF Interoperability (DIFI) Consortium Announces GNU Radio Talk and Release of Open-Source Software Enabling digital transformation of space, satellite, and related industries DIFI CONSORTIUM RELEASE: PISCATAWAY, N.J.,
- [Virtualizing satellite communication operations with AWS](https://dificonsortium.org/virtualizing-satellite-communication-operations-with-aws/) - The complexity of spacecraft operations has sky-rocketed with increased orbital activity and new satellite capabilities, like the ability to reconfigure capacity, power, and coverage on demand. Despite these advances, satellite communications (satcom) operators still find it challenging to scale and adapt to this new complexity on the ground. Limited software solutions and the lack of interoperability between hardware
- [Digital IF Interoperability (DIFI) Consortium Announces Standard Version 1.1 Released](https://dificonsortium.org/digital-if-interoperability-difi-consortium-announces-standard-version-1-1-released/) - Digital IF Interoperability (DIFI) Consortium Announces Standard Version 1.1 Released Enabling digital transformation of space, satellite, and related industries August 15, 2022 07:31 ET | Source: DIFI Consortium DIFI CONSORTIUM RELEASE: PISCATAWAY, N.J., Aug. 15, 2022 (GLOBE NEWSWIRE) -- The DIFI Consortium is pleased to release the IEEE-ISTO Std 4900-2021: Digital IF Interoperability 1.1 Standard. The release
- [Call for Posters & Demos - MILCOM 2022](https://dificonsortium.org/calls-for-posters-demos-milcom-2022/) - Submit Your Poster and/or Demonstration The DIFI Consortium invites members, researchers, and developers to present posters/demonstrations at the Digital Transformation of SATCOM special workshop during MILCOM 2022. Posters/demonstrations should offer technologies, applications, predictions, and viewpoints in the rapidly changing landscape of satellite technology. Demonstrations showing DIFI interoperability are of the highest interest.
- [Digital Interoperability Standards for Space Networks Accelerate as Seven New Members Join DIFI Consortium](https://dificonsortium.org/digital-interoperability-standards-for-space-networks-accelerate-as-seven-new-members-join-the-digital-if-interoperability-consortium-difi/) - DIFI Consortium Release - (March 1, 2022: Piscataway, NJ) The Digital IF Interoperability Consortium (DIFI), the independent space industry group formed to advance interoperability in satellite and ground system networks, today announced the addition of seven new members, in February 2022, from across industry sectors, including: AvL Technologies delivers mobile satellite antenna systems and positioners
- [Digital Interoperability Standards for Space Networks Accelerate as Five More New Members Join the Digital IF Interoperability Consortium (DIFI)](https://dificonsortium.org/digital-interoperability-standards-for-space-networks-accelerate-as-five-more-new-members-join-the-digital-if-interoperability-consortium-difi/) - DIFI Consortium Release: (May 24, 2022: Piscataway, NJ) The Digital IF Interoperability Consortium (DIFI), the independent space industry group formed to advance interoperability in satellite and ground system networks, today announced the addition of five more new members, from across industry sectors, including: Amazon Web Services (AWS) offers over 200 fully featured cloud-based services to
- [Digital Interoperability Standards for Space Networks Accelerate to over 50 Members](https://dificonsortium.org/digital-interoperability-standards-for-space-networks-accelerate-to-over-50-members/) - Digital Interoperability Standards for Space Networks Accelerate to over 50 Members Seven More Members Join the Digital IF Interoperability Consortium (DIFI) DIFI Consortium Release: (July 29, 2022: Piscataway, NJ) The Digital IF Interoperability Consortium (DIFI), the independent space industry group formed to advance interoperability in satellite and ground system networks, today announced the addition
- [CesiumAstro Joins DIFI Consortium](https://dificonsortium.org/cesiumastro-joins-difi-consortium/) - CESIUMASTRO JOINS SPACE INDUSTRY CONSORTIUM WORKING TO ADVANCEINTEROPERABILITY IN SATELLITE AND GROUND SYSTEM NETWORKS AUSTIN, Texas – June 21, 2022 – CesiumAstro, Inc., today announced it has joined the Digital Intermediate Frequency Interoperability (DIFI) Consortium, an independent space-industry group advancing interoperability in satellite and ground-system networks. DIFI member organizations contribute to the innovation of the
- [DIFI Consortium 2022 Goals](https://dificonsortium.org/difi-consortium-2022-goals/) - DIFI’s 2022 will be the year of adoption and expansion. Adoption: Mature the 1.0 specification with at least two minor releases of the specification that cleans up and address deficiencies in the specification. Stabilize and re-publish the initial standard for baseline acceptance NLT on June 30, 2022 Establish a features roadmap that will be regularly
- [ThinKom Joins Space Industry Consortium Developing Interoperability Standards for Satellite and Ground Digital Networks](https://dificonsortium.org/thinkom-joins-space-industry-consortium-developing-interoperability-standards-for-satellite-and-ground-digital-networks/) - ThinKom Joins Space Industry Consortium Developing Interoperability Standards for Satellite and Ground Digital Networks HAWTHORNE, Calif. – May 11, 2022 – ThinKom Solutions, Inc. today announced it has joined the Digital Intermediate Frequency Interoperability (DIFI) Consortium, an independent space-industry group formed to advance interoperability in satellite and ground system networks. DIFI member organizations contribute to
- [SSC Joins the DIFI Consortium](https://dificonsortium.org/ssc-joins-the-difi-consortium/) - Member Release - March 4, 2022 SSC joins the Digital IF Interoperability (DIFI) consortium, an independent space industry group, to work towards interoperability in satellite ground systems. Digital IF is one enabling technology in the ecosystem of Software Defined Radio, where the signal processing is done in software rather than on specific hardware devices. Traditionally
- [SpaceBridge Inc. Joins the Digital IF Interoperability Consortium (DIFI)](https://dificonsortium.org/spacebridge-inc-joins-the-digital-if-interoperability-consortium-difi/) - Member Release - SpaceBridge Inc., a privately held Canadian corporation and manufacturer of broadband satellite communications systems technology today announced that it has joined the Digital Intermediate Frequency Interoperability (“DIFI”) Consortium, an independent space industry group formed to advance interoperability in satellite and ground system networks. SpaceBridge Inc. joins a rising number of leading organizations
- [Azure Space, KSAT, RBC Signals, SSC, Viasat RTE: Satellite ground station expansion is still accelerating](https://dificonsortium.org/azure-space-ksat-rbc-signals-ssc-viasat-rte-satellite-ground-station-expansion-is-still-accelerating/) - ...written by Peter B. De Selding January 7, 2022... Read More... PARIS — Ground station capacity providers KSAT, Microsoft Azure Space, RBC Signals, SSC and Viasat RTE are in full-throttle expansion as large sums of cash are invested in new satellites and constellations. All of them are moving toward cloud-based virtual operations as customers demand
- [Integrasys Joins DIFI Consortium](https://dificonsortium.org/integrasys-joins-difi-consortium/) - NTEGRASYS joins the Digital IF Interoperability Consortium (DIFI) Member Blog - INTEGRASYS has joined the DIFI Consortium, an independent space industry group, formed to advance interoperability in satellite and ground system networks. INTEGRASYS joins a growing roster of leading organizations in the space industry coming together to form the Digital IF Interoperability Consortium. These organizations
- [Cobham SATCOM Announces Membership in the DIFI Consortium](https://dificonsortium.org/cobham-satcom-announces-membership-in-the-difi-consortium/) - Member Release - Cobham SATCOM, a leading global provider of satellite communications solutions to the land and maritime sectors, and the Digital IF Interoperability Consortium (DIFI), the independent space industry group formed to advance interoperability in satellite and ground system networks, today announced Cobham's membership in the DIFI Consortium. Copenhagen, Denmark - 3 February 2022
- [Five New Members Join the Digital IF Interoperability Consortium (DIFI)](https://dificonsortium.org/digital-interoperability-standards-for-space-networks-accelerate-as-five-new-members-join-the-digital-if-interoperability-consortium-difi/) - DIFI Consortium Release - (February 7, 2022: Piscataway, NJ) The Digital IF Interoperability Consortium (DIFI), the independent space industry group formed to advance interoperability in satellite and ground system networks, today announced the addition of five new members from across space industry sectors, including: ViaLite Communications – a designer and manufacturer of RF-over-fiber links and systems;
- [GSAW 2022  - Ground Systems Architectures Workshop](https://dificonsortium.org/gsaw-2022-ground-systems-architectures-workshop/) - GSAW 2022 - Ground Systems Architectures Workshop February 23 - March 3, 2022 - The 26th annual Ground System Architectures Workshop (GSAW) provides a forum for the world’s space-related ground system experts to collaborate with other ground system users, developers, and researchers through tutorials, presentations, working groups, panel discussions, and technical exhibits. GSAW will be completely
- [Consolidation with the Digital Interface Standards Working Group (DIS) Brings Seven New Members to the Digital IF Interoperability Consortium (DIFI)](https://dificonsortium.org/consolidation-with-the-digital-interface-standards-working-group-dis-brings-seven-new-members-to-the-digital-if-interoperability-consortium-difi/) - DIFI Consortium Release - (December 22, 2021: Piscataway, NJ) The Digital IF Interoperability Consortium (DIFI), the independent space industry group formed to advance interoperability in satellite and ground system networks, and the Digital Interface Standards Working Group (DIS) today announced that the seven members of DIS will consolidate that organization within DIFI, advancing the breadth
- [#ConstellationsPodcast - Importance of open standards](https://dificonsortium.org/constellationspodcast-importance-of-open-standards-operability-and-why-both-are-key-for-the-industry/) - On the newest release of #ConstellationsPodcast, we speak to not one but THREE guests that are all members of an independent non-profit group called Digital Intermediate Frequency Interoperability or DIFI Consortium. In this episode, we discuss the importance of open standards, interoperability, and why both are key for the industry. Hear from Stuart Daughtridge from Kratos, Ben
- [SPACE NEWS:  Op-ed | The ‘S’-word:  How Standards can Advance the Satellite Industry](https://dificonsortium.org/space-news-op-ed-the-s-word-how-standards-can-advance-the-satellite-industry/) - Op-ed | The ‘S’-word: How Standards can Advance the Satellite Industry by Stuart Daughtridge — December 9, 2021 The promise of digital transformation depends on interoperability The topic of standards doesn’t sound exciting but consider the alternative. Without standards, that seamless wireless connectivity we expect wherever we go, whichever city we land in, wouldn’t be possible. Out of
- [Six New Members Join the Digital IF Interoperability Consortium (DIFI)](https://dificonsortium.org/digital-interoperability-standards-for-space-networks-accelerate-as-six-new-members-join-the-digital-if-interoperability-consortium-difi/) - DIFI Consortium Release - (December 1, 2021: Piscataway, NJ) The Digital IF Interoperability Consortium (DIFI), the independent space industry group formed to advance interoperability in satellite and ground system networks, today announced the addition of six new members from across industry sectors, including: Genus Group, a provider of services supporting communications and satellite systems; Isotropic
- [The Digital IF Interoperability Consortium Continues Rapid Membership Growth](https://dificonsortium.org/the-digital-if-interoperability-consortium-continues-rapid-membership-growth/) - DIFI Consortium Release: (October 28, 2021: Piscataway, NJ) The independent space industry group formed to advance interoperability in satellite and ground system networks, today announced the addition of three new members, including commercial companies Comtech Satellite Network Technologies, Inc. (NASDAQ: CMTL) and Viasat (NASDAQ: VSAT) and as well as new government member, the U.S. Defense Information
- [U.S. Army Specifies DIFI Consortium Standard for EDIM Modem Interoperability](https://dificonsortium.org/u-s-army-specifies-difi-consortium-standard-for-edim-modem-interoperability/) - DIFI Consortium Release: IEEE-ISTO Std 4900-2021: Digital IF Interoperability Standard adopted for emerging SATCOM Digital IF infrastructure equipment October 21, 2021 11:39 ET | Source: DIFI Consortium PISCATAWAY, N.J., Oct. 21, 2021 (GLOBE NEWSWIRE) -- The U.S. Army’s recently published Request For Information (RFI) regarding the PdM WESS for Enterprise Digital IF Multi-Carrier (EDIM) Modem Spec has specified the Digital
- [Independent Space Industry Group Formed to Advance Interoperability in Satellite and Ground System Networks](https://dificonsortium.org/independent-space-industry-group-formed-to-advance-interoperability-in-satellite-and-ground-system-networks/) - DIFI Consortium Release: Digital IF Interoperability Consortium created under the auspices of IEEE-ISTO to develop technical standards and promote interoperation across systems PISCATAWAY, NJ 01 SEPTEMBER 2021: – Leading companies and organizations in the space industry, including two major branches of the U.S. Department of Defense, have come together to form the Digital IF
- [The Digital IF Interoperability Consortium Welcomes Six New Members Including the United States Space Force](https://dificonsortium.org/190-2/) - DIFI Consortium Release: The Digital IF Interoperability Consortium Welcomes Six New Members Including the United States Space Force October 07, 2021 07:00 ET | Source: DIFI Consortium PISCATAWAY, N.J., Oct. 07, 2021 (GLOBE NEWSWIRE) -- The Digital IF Interoperability Consortium (DIFI), the independent space industry group formed to advance interoperability in satellite and ground system networks, today
- [Envistacom Joins the Digital IF Interoperability (DIFI) Consortium](https://dificonsortium.org/envistacom-joins-the-digital-if-interoperability-difi-consortium/) - Member Release: October 12, 2021 Consortium supports the digital transformation of satellite ground systems and aligns with the DoD strategy regarding digitization which leads toward enhancements in system performance and interoperability Envistacom, LLC, a leading technology company that delivers advanced communications, cyber and other related technologies, solutions, and services to customers in the aerospace,

## Pages

- [Home](https://dificonsortium.org/) - Digital Intermediate Frequency Interoperability (DIFI) ConsortiumVIEW AGENDA VIEW AGENDA September 8-11, 2025 – DIFI PlugFest 2025 Europe EQUIPMENT DEMONSTRATION PARTICIPATION IS CLOSED PLEASE EMAIL DIRECT FOR GENERAL OBSERVER ATTENDANCE: difi-plugfest@work-microwave.com Click here to VIEW AGENDA View All Members
- [Committees](https://dificonsortium.org/committees/) - Specification Working Group The Specification Working Group is the primary forum for discussing and evaluating the Standard, subject to the review, and within the strategic direction established, by the Board. The Specification Working Group ensures that the Standard and any revisions to the Standard may only be finally adopted by a two-thirds approval of a
- [Agenda - DIFI Workshop](https://dificonsortium.org/agenda-difi-workshop/) - FINAL AGENDA COMING SOON!
- [DIFI Workshop 2025 - Call for Presentation/Poster/Demo](https://dificonsortium.org/call-for-posters-demos-presentations/) - AGENDA As we prepare for the 2025 DIFI Workshop at MILCOM 2025, we anticipate your participation! Would you have something unique to share about working with DIFI and contributing to the virtualized SATCOM applications that are redefining our industry? This includes new flat panel antennas that offer the promise of advanced capabilities such as multi-orbit,
- [Members](https://dificonsortium.org/members/) - DIFI members contribute to true interoperability in digital ground segment technology – and to the success of their own companies – in two critical ways: Sending people to working groups, which are defining the roadmap and determining, version by version, the evolution of the standard. Voting on each evolution of the standard to ensure DIFI
- [DIFI Certification - Why Certify?](https://dificonsortium.org/difi-certification-why-certify/) - Why You Need to Certify The DIFI Consortium’s purpose is to enable the digital transformation of space, satellite, and related industries by providing a simple, open, interoperable Digital IF/RF standard that replaces the natural interoperability of analog IF signals and helps prevent vendor lock-in. DIFI ensures that the Consortium provides and promotes easy-to-implement standards for
- [DIFI IF Use Cases](https://dificonsortium.org/difi-if-use-cases/) - Digital Intermediate Frequency (IF) technology was developed to overcome the limitations of analog systems. But until recently, vendor lock-in severely limited its adoption and has delayed by years the digital transformation of satellite communications. Now, truly interoperable digital IF is pointing the way to virtualized ground segment that can seamlessly adapt to changing space-layer payloads,
- [2025 Plugfest - Europe](https://dificonsortium.org/events/2025-plugfest-europe/) - Holzkirchen, Germany September 8-11, 2025 Plug & Play Digital IF. Four days of testing digital interoperability of ground segment technology solutions using the DIFI Standard 1.2.1. Registration for the technical demonstration portion of this event is closed. If you would like to request general admission, please email: difi-plugfest@work-microwave.com Your Host: Please feel free to reach
- [Standards](https://dificonsortium.org/standards/) - Complete and submit the form below to gain access to the full text of the latest version of the DIFI Standard. Your request will be reviewed by DIFI before a download link is sent to you. IEEE-ISTO Std 4900-2021: Digital IF Interoperability Standard, v1.3.0 July 2025 Version 1.3.0 of the DIFI Standard delivers a significant
- [DIFI WORKSHOP REGISTRATION- MILCOM 2025](https://dificonsortium.org/difi-workshop-registration-milcom-2025/) - WORKSHOP REGISTRATION
- [Agenda - MILCOM DIFI Workshop](https://dificonsortium.org/agenda-milcom-difi-workshop/) - 2025 AGENDA COMING SOON! HERE IS A LOOK AT THE 2024 AGENDA PRESENTED AT MILCOM 2024.
- [Events](https://dificonsortium.org/events/) - 2025 Events DIFI Plugfest (hosted by WORK Microwave) - Holzkirchen, Germany - September 8-11, 2025 Plug & Play Digital IF. Four days of testing digital interoperability of ground segment technology solutions using the DIFI Standard 1.2.1. DIFI Workshop @ MILCOM 2025 - Monday, October 6, 2025 - Los Angeles, CA March 20, 2025, Thursday -
- [MILCOM 2025 - DIFI Workshop Guidelines](https://dificonsortium.org/submission-guidelines/) - Presentation/Poster/Demonstration Guidelines Presentation Guidelines Presentations should be 15 minutes in length, with 5 minutes for questions Presentations should include Power point or pdf for slides or diagrams used in presentation Topics can include applications in lessons learned, use cases, or detailed results and experiments in digitization or virtualization in satellite systems Poster Guidelines Authors shall
- [About](https://dificonsortium.org/about/) - The mission of the Digital Intermediate Frequency Interoperability (DIFI) Consortium is to enable the digital transformation of space, satellite, and related industries by providing a simple, open, interoperable Digital IF/RF standard that replaces the natural interoperability of analog IF signals and helps prevent vendor lock-in. Why DIFI? The satellite industry is accelerating into the biggest digital transformation
- [Contact](https://dificonsortium.org/contact/) - DIFI Consortium Main Office: c/o ISTO, Inc. 371 Hoes Lane, Suite 200 Piscataway, NJ 08854 Membership: admin@dificonsortium.org Press: joni.sterlacci@ieee-isto.org If you have a specific inquiry, please use the contact form below. Thank you!
- [2025 DIFI PlugFest Europe](https://dificonsortium.org/2025-difi-plugfest-europe/) - Dear Colleagues, Thanks to the efforts of DIFI member WORK Microwave we have confirmed the date and location of our next PlugFest. PlugFest 2025 – Europe will be held at WORK Microwave’s Holzkirchen Facility https://work-microwave.com/about/ in Germany from 8-11 September. The third DIFI PlugFest is a full week with something for everyone in the schedule and
- [DIFI AT SAT25 - MARCH 10, 2025](https://dificonsortium.org/difi-at-sat25-march-10-2025/) - DIFI at SATELLITE 2025 DIFI members will be exhibiting technology and introducing new DIFI-compatible products at SATELLITE 2025, including digitizers, modems, test equipment, signal monitoring systems and virtual ground systems. A full ecosystem of DIFI-compatible products is taking shape now, and SATELLITE is the place to see them. Print out this list, or bookmark
- [Board of Directors](https://dificonsortium.org/about/about-difi/) - Stuart Daughtridge – Director & Chair Vice President of Advanced Technology, Kratos Mr. Daughtridge has been with Kratos since 1999, and in the satellite and aerospace industry since 1986. In his current position, Mr. Daughtridge leads Kratos’ satellite ground segment technology research and development efforts. Prior to his current role, he held several senior management
- [MILCOM 2024 - DIFI Workshop](https://dificonsortium.org/milcom-2024-difi-workshop-presentations/) - PresentationsDIFI Specification v1.3ESA Working GroupTDMA SynchronizationMILCOM 2024 & DIFI Specification v1.2.1Certification ProceessVirtualized Ground Station Wideband Signal ProcessingPostersIncreasing Interoperability of Ground Station Infrastructure through Digitization and Virtualization Work Microwave Accelerating MILSATCOM InteroperabilityKeysight/KratosScalable Multi-Orbit SATCOM: A Hybrid DIFI/Analog System for Diverse Deployment ScenariosQuintechDigitalization in a Virtualized Ground SegmentST Engineering iDirectPhas 1 SBIR: Multi-tenancy Platforms using AWS F1
- [2024 DIFI PlugFest Europe](https://dificonsortium.org/events/plugfest/) - June 17-21, 2024 – DIFI PlugFest 2024 Europe UK Satellite Applications Catapult’s Harwell Campus was the site of the second DIFI PlugFest. Monday through Thursday morning was a chance for companies to test their equipment for interoperability with that of other members. Only DIFI-member companies with equipment to test were able to participate in these
- [Join Now](https://dificonsortium.org/join-now/) - The mission of DIFI is to develop, evolve and drive adoption of standards that will lead to the biggest digital transformation in the industry’s history. Standardization will reduce costs, increase resilience, unleash innovation and scale up satellite’s global share of telecom, IT and GIS markets. If your organization is not a member, your voice will
- [MILCOM 2023 - DIFI Workshop Posters](https://dificonsortium.org/milcom-2023-difi-workshop/) - Thanks to all who participated in the very successful MILCOM 2023 DIFI Workshop event. In addition to the Panel, the posters and demonstrations were very well received. Double-click over all images to view an enlarged version. Digital IF 1.2 Synchronization FeaturesGenus Digital RFC/IFCHigh-Performance Digital IF Modem for SATCOMContested SATCOM Capabilities & TechniquesHybrid Approach to Managing
- [MILCOM 2023 - DIFI Workshop Presentations](https://dificonsortium.org/milcom-2023-difi-workshop-presentations/) - Closing the Timing Loop With Digital IF 1.2DIFI Plugfest UpdateDIFI Standard - What's new in 1.2 (.0)Digital IF Enabled SATCOM Gateway Site Architectures for Networking and Management AutomationReference Level, Scaling, and Gain FieldsTowards a Fully Digital Teleport
- [Join](https://dificonsortium.org/join-now-cloned/) - The mission of DIFI is to develop, evolve and drive adoption of standards that will lead to the biggest digital transformation in the industry’s history. Standardization will reduce costs, increase resilience, unleash innovation and scale up satellite’s global share of telecom, IT and GIS markets. If your organization is not a member, your voice will
- [Impact](https://dificonsortium.org/impact/) - To imagine the impact of the DIFI standard, consider cable TV. Cable systems depend on coax cables and hardware-based set-top boxes to deliver content and switch between channels on a traditional TV, all under the control of the cable system. Adding a TV in another room requires a physical coax cable run and another set-top
- [MILCOM 2022 DIFI Workshop](https://dificonsortium.org/milcom-2022-difi-workshop/) - For information on and participation in the upcoming MILCOM 2023 DIFI Workshop, that will include panel discussion, posters and demonstrations, email the DIFI team at: milcom2023@dificonsortium.org ———————————————————————————— Thanks to all who participated in the very successful MILCOM 2022 event. In addition to the Panel, the posters and demonstrations were very well received. Please click over
- [DIFI Consortium GitHub](https://dificonsortium.org/difi-consortium-github/) - Welcome to the Digital Intermediate Frequency Interoperability (DIFI) Certification GitHub Repo! This repository is used by the DIFI Consortium Working Group to share resources and tooling with DIFI Consortium members and the user community to enable verification, validation, and testing of DIFI streams and devices in accordance with the DIFI standards. Click here to enter the DIFI
- [Member Login](https://dificonsortium.org/member-login/)

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- [Join DIFI Sidebar](https://dificonsortium.org/fusion_element/join-difi-sidebar/) - Join Digital Intermediate Frequency Interoperability (DIFI) Consortium Join Now

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