​Chronos is recognized as a global expert in timing and synchronization for telecoms, transport, broadcast, energy and financial systems. Established in 1986, Chronos is also a global leader in GPS jamming and interference detection and location; and a specialist technology company in the field of position, navigation and timing. Chronos supplies GNSS (GPS) products including receivers, recorders and simulators, and GNSS infrastructure (antennas, splitters, repeaters) for the distribution of GNSS RF signals into sensitive environments. Chronos has developed a range of bespoke GPS timing products for time and frequency synchronisation in power and communication systems.

Member Since: 2014
Learn More: Chronos.co.uk

Based in Denver and Boulder, Colorado, iPosi is focused on serving the growing demand for precise, jam-resistant, time synchronization, and accurate mobile and fixed device indoor positioning. These features provide services in applications as diverse as indoor 3D E911, Critical Infrastructure timing, wireless network and high-precision mobile location determination in enterprise, residential and public venues. iPosi’s advanced embedded technology enables its customers to provide unprecedented, instantaneous positions, accurately locating people even deep inside a building where GPS and GNSS signals are at their weakest and least reliable using conventional solutions.

Member Since: 2014
Learn More: iPosi.com

The National Defense Industrial Association (NDIA) is America’s leading Defense Industry association promoting national security. NDIA is proud to provide a legal and ethical forum for the exchange of information between Industry and Government on National Security issues. Our members foster the development of the most innovative and superior equipment, training and support for our warfighters and first responders through our divisions, local chapters, affiliated associations and events.

Member Since: 2014
Learn More: NDIA.org

With its 45 year track record of innovation in transmission technologies, Nautel has emerged as a leading manufacturer of broadcast transmitters and navigational products. Two ISO 9001:2008 certified manufacturing facilities, one in Canada and one in the United States, provide comprehensive design, fabrication, assembly and testing. With over 12,000 transmitters deployed in over 177 countries since 1970, Nautel continues to lead the way in providing valuable new solutions for navigation and broadcast applications.

Member Since: 2014

Learn More: NautelNav.com

The Radio Technical Commission for Maritime Services (RTCM) is an international non-profit scientific, professional and educational organization. RTCM members are organizations (not individuals) that are both non-government and government. Although started in 1947 as a U.S. government advisory committee, RTCM is now an independent organization supported by its members from all over the world. We keep our members involved on regional and international maritime radionavigation and radiocommunication policy issues, regulatory changes, and technical standards development.

Member Since: 2014
Learn More: RTCM.org

Austin Insulators/Navigation is a designer and manufacturer of Radio Insulator Products including Tower Lighting Systems for use on VLF, LF and MF Broadcast Antennas including eLoran plus other Radio Navigation and Timing Transmitting Antennas. Austin Insulator products are installed on thousands of low to high power broadcast antennas world-wide.

Austin Navigation a division of Austin is involved in planning and supply of Radio Navigation Systems for Ports, Harbours and Deep Sea Navigation with an emphasis on Vessel Traffic Management (VTS).

Member Since: 2015
Learn More: Austin-Insulators.com

Continental’s Very Low Frequency (VLF) and Low Frequency (LF) transmitters serve a critical role in providing reliable communication and timing references. Continental has more than 50 years of experience in providing and supporting VLF and LF transmission systems including complete turnkey projects in all areas of the world. Our transmitters are so widely deployed that at any time, at any location on earth, a Continental transmitter signal can be received.

Member Since: 2015
Learn More: ContElec.com

DSI is a premier non-partisan Institute designed to assist in advancing the mission critical goals of the United States’ Military and Government. Through our high level educational training summits and symposiums we are able to reach across all offices and departments in a fair and balanced manner. We bring together the mission relevant representatives in our neutral “Town Hall” forums in order to foster the necessary discussions and debates to help them achieve efficient and effective mission success.

Member Since: 2015
Learn More: DSIGroup.org

Hellen Systems is primarily focused on the development and deployment of enhanced LORAN (eLORAN) as an independent and resilient back up capability to the Global Positioning System through a Public Private Partnership with governments world wide. The Hellen Systems Team is working now with the United States Government and other nations to reestablish eLORAN as an onshore, trusted, resilient and best-in-class GPS/GNSS complementary PNT system for all modes and users.

Member Since: 2015
Learn More: HellenSystems.com

Shine Micro has designed a wide variety of microprocessor-based electronics since 1980, with a focus on the marine VHF industry. When Automatic Identification System technology emerged in 2001, Shine Micro pioneered long range reception techniques that quickly earned the company recognition as an industry leader. Shine Micro now offers AIS solutions for maritime, avionics, Aids To Navigation (AtoNs), and self-contained, solar powered beacons. Shine Micro products are praised by commercial, recreational, and military users alike as the most sensitive AIS receivers commercially available.Shine Micro strives to provide quality, on-time, best value products and solutions for our customers using continuous improvement as the foundation for our processes.

Member Since: 2015
Learn More: Shine Micro.com

Network Time Foundation (NTF), a 501(c)3 was founded in 2011. We provide direct services, including management and technical support, to open-source network time software projects that improve the state of accurate and secure computer network timekeeping. NTF focuses on precise timekeeping in business, science, healthcare and government, as well as the community overall.

Without the correct synchronization of network time, performing analysis, audits, investigative efforts and other studies that require piecing together correct sequences of events based on timestamps is impossible. Well-kept and synchronized time builds trustable data and therefore builds accuracy, security and reliability of operations.

Member Since: 2016
Learn More: NWTime.org

Representing global navigators in all environments, the International Association of Institutes of Navigation (IAIN) was formed in 1975. It is registered in the Netherlands and comprises Institutes of Navigation (IONs) worldwide, Associate Members, Corporate Members and Corresponding Members. IAIN is a non-governmental, non-profit making organisation with the objective of uniting national and multi-national institutes and organisations which aim to foster human activities at sea, in the air, in space and on land, and who may benefit from the development of the science and practice of navigation and related information techniques. It has consultative status at both the IMO and ICAO and is also represented at the IHO and the UN International Committee on GNSS (ICG). IAIN holds a World Congress every three years and the next will be in 2018, hosted by the Japanese Institute of Navigation. The Association is always seeking new member organizations.

Member Since: 2017
Learn More: IAINav.org

The Italian Institute of Navigation, founded in 1959, is a non-governmental and no-profit organization with a legal personality recognition according to the Italian Presidential decree n.1703, October 12, 1964. As an association of experts and professionals, the Institute’s purpose is to promote the development and dissemination of knowledge in the field of land, maritime, air and space navigation. The areas of interest span from sciences, to technical and operational practices. Moreover, there are issues of law and economic conditions, which govern the world of navigation, transport and generally, the mobility of people and vehicles. Attention is paid to security and safety issues as well as environmental and sustainable development.

Member Since: 2017
Learn More: ISTNav.org

SAE International is the premier world resource for the design, manufacturing, operation, and maintenance of automobiles, aircraft, space vehicles, off-highway equipment, trucks, buses, trains, marine craft, engines, and self-propelled vehicles. The largest automotive and aerospace standards-setting body in the world, SAE offers technical information in the form of papers, books, magazines, meetings, conferences, professional development seminars, workshops, expositions, continuing education programs, and Internet products. SAE is committed to serving Society through its vehicle safety, maintenance, resource conservation, and education programs.

Member Since: 2017
Learn More: SAE.org

C4ADS is a nonprofit organization dedicated to providing data-driven analysis and evidence-based reporting on global conflict and transnational security issues.

We use cutting-edge technologies to manage, integrate, and analyze disparate data from diverse languages, regions, and sources, incorporating our own field research from conflict zones and fragile states. We seek to engage with local and international audiences and produce compelling analysis on conflict and security issues. In doing so, we fill a critical gap left by traditional public sector and profit-driven institutions.

Member Since: 2018
Learn More: C4ADS.org

Microchip Technology Inc. is a leading provider of smart, connected and secure solutions. Its comprehensive product portfolio enable customers to create optimal designs which reduce risk while lowering total system cost and time to market. The company’s solutions serve more than 125,000 customers across the industrial, automotive, consumer, aerospace and defense, communications and computing markets. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality. For more information, visit the Microchip website at www.microchip.com or more information on Position, Navigation and Timing solutions can be found here.

Member Since: 2018
Learn More: Microchip.com

Advancing Electromagnetic Warfare TOGETHER

The Association of Old Crows (AOC) is an international not-for-profit organization with more than 13,000+ individual and 200+ corporate members who have common interests in Electronic Warfare (EW), Electromagnetic Spectrum Management Operations (EMSO), Cyber Electromagnetic Activities (CEMA), Information Operations (IO), and other information related capabilities.

Member Since: 2019
Learn More: Crows.org

NavtechGPS is a technology-driven small business with over 30 years of experience in GPS / GNSS and precise positioning technology. As a reseller of hundreds of GPS/GNSS-related products, NavtechGPS delivers innovative solutions for military, commercial and research COTS (commercial-off-the-shelf) integration projects.

NavtechGPS also leads the way in GPS and GNSS training, offering a comprehensive list of courses taught by world-class instructors. We we specialize in bringing any of our courses on-site to your location to save you time and money. We also offer GPS/GNSS technical training at convenient locations in the United States.

Member Since: 2019
Learn More: NavtechGPS.com

Oscilloquartz was founded in 1949 in Neuchâtel, Switzerland, in the heart of Europe’s traditional watchmaking region. Since then, we’ve become a world leader in the design and manufacture of high-quality network and application timing technology. In 2014, Oscilloquartz was acquired by ADVA. Together we offer complete end-to-end solutions for the smooth migration to next-generation frequency and time synchronization. 

Member Since: 2020
Learn More: Oscilloquartz.com

Xona Space Systems is a startup developing modern global position, navigation, and timing (PNT) services to meet growing demands in intelligent transportation systems. These new PNT services are enabled by a modern constellation of low-Earth orbiting satellites. Due to its unique constellation architecture compared to legacy GNSS, Xona will provide PNT services that are orders of magnitude more resilient and accurate. At Xona, our core belief is that autonomous systems and connected technology has the potential to benefit people everywhere, from major cities to remote and rural areas.

Member Since: 2020
Learn More: XonaSpace.com

AstraNav is a technology company that delivers universal positioning and navigation capabilities to billions of devices, from everyday smartphones to highly complex navigation systems. Founded by a team of experts from NASA, Intel and Caltech, AstraNav’s core M-GPS™ software technology harnesses the Earth’s magnetic field to produce highly accurate and robust positioning and navigation under all conditions, environments, and in all domains, without requiring any external connectivity (e.g., satellites, Wi-Fi, BLE), additional hardware or infrastructure. Everywhere. Always.

Member Since: 2022
Learn More: AstraNav.com

The National Association of Broadcasters is the voice for the nation’s radio and television broadcasters. As the premier trade association for broadcasters, NAB advances the interests of our members in federal government, industry and public affairs; improves the quality and profitability of broadcasting; encourages content and technology innovation; and spotlights the important and unique ways stations serve their communities. PILOT is an innovation initiative of NAB dedicated to advancing broadcast technologies and cultivating new media opportunities.

Member Since: 2022
Learn More: NABPilot.org

Rohde & Schwarz develops, produces and markets a wide range of electronic capital goods for industry, infrastructure operators and government customers. The private family-owned company is among the technology and market leaders in all of its business fields, including wireless communications and RF test and measurement, broadcast and media, air traffic control and military radio communications, cybersecurity, network technology, and physical security.

In fiscal year 2020/2021, Rohde & Schwarz generated EUR 2.28 billion in revenue. The company owes this tremendous success to its 13,000 highly qualified employees in over 70 countries.

Member Since: 2022
Learn More: Rohde-Schwarz.com

TrustPoint is developing a commercial LEO-based PNT service to provide the performance and reliability required for self-driving cars, drone delivery, urban air mobility, and immersive augmented reality.

TrustPoint’s patent-pending PicoNav™ Signal Processing technology, combined with affordable NewSpace commercial satellite technologies and best in class signal security techniques, will provide a global, secure, accurate PNT service for both commercial and government customers.

Member Since: 2022
Learn More: TrustPointGPS.com

The Alabama Collaborative for Contemporary Education in Precision Timing (ACCEPT) at the University of Alabama is a NSF Research Traineeship (NRT) program designed to train the next generation of graduate (MS and PhD) degree holders in Positioning, Navigation, Timing and Frequency.

This interdisciplinary traineeship includes holistic training for physics, engineering, mathematics, and computer science majors, including flexible multidisciplinary course curricula, professional development, and real-world training with our industry and government partners.

• M.S. and PhD Students Welcome
• $34,000 Yearly Stipend for ACCEPT Fellows
• Interdisciplinary Cohort Programs
• Internships with Government Agencies and Corporate Partners

Member Since: 2024
Learn More: ACCEPT.ua.edu

Hoptroff is a British, ISO-certified scale-up that’s transforming the way businesses access time. With atomic timing hubs in London, New York, and Tokyo, Hoptroff connects businesses to the most resilient timing network in the world. Hoptroff Smart Timing is a plug-and-play time synchronisation solution that delivers precision timing with unrivalled scalability, and reliability, so businesses can stay compliant, improve efficiency, and reduce costs. With dedicated support, real-time adaptability, and a user-friendly interface, Hoptroff Smart Timing is the logical choice for businesses spanning financial services, content streaming, gaming, distributed ledger technology and more.

Member Since: 2024
Learn More: Hoptroff.com

London Economics is an independent consultancy, with a dedicated team of professional space economists. From our headquarters in London, we advise an international client base, including government, agencies, industry, and investors.

Over more than a decade we have studied all aspects of PNT. This includes cost-benefit of Galileo first and second generation; industrial analysis of the downstream PNT sector; market sizing of the downstream PNT market (producing six GSA/EUSPA Market Reports); assessing the impact of GNSS loss (at a national, sector, and infrastructure level); studying alternative and complementary PNT sources (sovereign and commercial); and estimating the R&D funding gap in Europe’s PNT sector.

Member Since: 2024
Learn More: LondonEconomics.co.uk

Net Insight empowers networks with high accuracy time synchronization. Our GNSS independent overlay sync secures network resilience, reduces cost and complexity while enabling successful monetization possibilities. With over two decades of trusted experience serving the media and entertainment industries, we are now tailoring our leading sync solution to other verticals, including 5G networks and power grids . Net Insight is a publicly traded company on Nasdaq, based in Sweden and serves 500+ customers across 75+ countries.

Member Since: 2024
Learn More: NetInsight.net

We are OPSGROUP – the heart of international flight operations. We monitor the world’s airspace and airports for changes and risks that affect our 8,000 member airlines, pilots, controllers, and dispatchers. We publish daily and weekly briefings with a readership of 50,000 people.

Member Since: 2024
Learn More: OPS.Group/story 

SkAI Data Services, based in Switzerland, provides practical, data-driven solutions for the aviation industry. Our expertise covers three main areas: aviation analytics consulting, mid-air collision risk modeling, and GNSS radio frequency interference (RFI) detection. We developed the world’s first public live GPS spoofing and jamming map, offering real-time insights to enhance situational awareness and safety. Additionally, we provide B2B services to integrate our RFI detection data and algorithms into clients’ systems. At SkAI Data Services, we are focused on delivering reliable and innovative solutions to address the aviation industry’s unique challenges.

Member Since: 2024
Learn More: Skai-Data-Services.com

The space company focused on the future of Planet Earth™ Spire designs, builds and operates the world’s largest multipurpose satellite constellation. With our proven history in space infrastructure, we provide you with unprecedented access and insights from the ultimate vantage point – space.
We empower you to navigate our changing world, reduce the cost of climate change and weather risks, while strengthening global security.

Member Since: 2024
Learn More: Spire.com

Syncworks is the industry leader in delivering network synchronization and timing solutions to the telecommunications, utilities, and cable industries in the US and Caribe markets. We help our customers design, evolve, implement timing technologies to support emerging packet-based platforms with high QOS.

Our industry best practices were developed, refined and proven on thousands of projects over the past decade. Syncworks is the master distributor and longtime partner for Microsemi FTD (formerly Symmetricom), the global leader in synchronization technology.

Member Since: 2024
Learn More: Syncworks.com

Tern AI is creating a US-built alternative position, navigation, and timing system that will be the first of its kind to provide precision, reliability, and resiliency to the road network, independent of external signals, including physical positioning infrastructure inputs (such as GPS and Telecom). Tern AI’s innovative, software-only solution uses proprietary position determination algorithms allowing users to know their location to at least the precision of GPS using data from onboard sensors. No external inputs means a 100% continuity for position knowledge and is robust against jamming and spoofing.

Member Since: 2024
Learn More: Tern.AI

VIAVI stands at the forefront of PNT technology, offering assured and secure solutions for critical infrastructure sectors. Our comprehensive portfolio caters to diverse industries, including defense, 5G communications, transportation, data center, energy, and finance. The VIAVI product range is extensive and innovative, encompassing these product families: Resilient GNSS/LEO/GEO modules and systems; GPS simulators and phase noise analyzers; Multisource-to-GPS L1 transcoders; Multi-orbit GNSS/LEO antennas; and GNSS PTP grandmasters and NTP time servers. VIAVI also provides a suite of secure PNT services, leveraging alternative LEO and GEO satellite constellations and terrestrial sources of opportunity to complement and augment traditional GPS/GNSS capabilities.

Member Since: 2024
Learn More: ViaviSolutions.com

FrontierSI is a not-for-profit social enterprise that brings the best people together to anticipate and solve large problems. Our internal capability and network comprise space and spatial expertise including positioning, navigation and timing (PNT), geodesy, data analytics, and spatial data management. For 20 years we have worked globally as trusted advisors offering consultancy services, applied research, technology testbeds, innovation programs, technology development, and stakeholder engagement. Our outcomes include new operational products, prototypes, technology and risk assessments, economic analyses, business case studies, technology white papers, scenario modelling and market reports.

Member Since: 2025
Learn More: FrontierSI.com.au

Jericho Receivers, LLC, a subsidiary of All 6G, LLC, is a leader in broadcast technology based in West Palm Beach, Florida. Specializing in ATSC 3.0 solutions, the company pioneers advanced mobile receivers for precision time signal reception. Their innovative technology ensures unparalleled accuracy and reliability, serving industries like telecommunications requiring precise timing synchronization. Committed to excellence, Jericho Receivers excels in developing antennas, front-end filters, and firmware to deliver the highest precision in time signal reception.

Member Since: 2025
Learn More: JerichoReceivers.com

Completely Terrestrial Based Timing, Positioning, and Cybersecurity Platform to Supplement GPS Services – Timing as good as GPS clock with no Spoofing and Jamming risk and reduction of liabilities to critical infrastructure and meets Executive Order Feb 12th. Positioning in 99% of all Cities and Towns to GPS levels of accuracy without spoofing, jamming, urban canyons, and can sustain accuracy in indoor environment.- Cyber Security is greatly enhanced by providing Exact Timing, Resilient Positioning, and Entropy for Encryption and Multi-Factor Authentication.

Member Since: 2025
Learn More: MerlinTPS.com

Tip&Cue develops software-based SIGINT solutions for defense, aerospace, and mobility operations, providing unparalleled visibility into wireless coverage gaps, precise geolocation of interference sources, and advanced EW resilience capabilities.

Member Since: 2025
Learn More: TipandCue.com

Member Since: 2025
Learn More: VectorNav.com

ACSER was founded in 2010. Its research is focused in three areas: satellite navigation, small spacecraft and space resources, hosting events in all three: CubeSatPlus, the Off-Earth Mining Forum and the IGNSS conference (now hosted by the Australian Institute of Navigation as “PNT”). ACSER has launched satellites and payloads since 2017, with a focus on space-based PNT. Its current space-ready GNSS receiver is the fifth generation of FPGA-based receiver. It has made significant contributions in GNSS signal processing: jamming and spoofing, new signal exploitation and GNSS remote sensing.

Member Since: 2025
Learn More: UNSW.edu.au/Research/ACSER

Swinburne University of Technology is a world-class, innovative institution based in Melbourne, Australia, known for its strong industry engagement, cutting-edge research, and commitment to practical learning. With a proud history of delivering quality education for over 110 years, Swinburne focuses on science, technology, engineering, design, and innovation. It is internationally recognised for its research excellence in areas such as space, advanced manufacturing, social innovation, and digital technologies. The university fosters partnerships with industry, government, and community to drive real-world impact. Through its global connections and inclusive approach, Swinburne empowers students and researchers to shape a better, more sustainable future.

Member Since: 2025
Learn More: Swinburne.edu.au