News
RTCM 13500.1 has been published and is now available for purchase - Standard for Radio Layer for Real-Time DGNSS Applications, September 6, 2023
RTCM Standard 13500.1 specifies the minimum performance requirements and test criteria for UHF radios used in Real-Time DGNSS applications. This first edition standard is limited to UHF radios in the 400 – 475 MHz range and commonly referred to as narrow band radios of 6.25 kHz and channel bandwidths of 12.5 kHz and 25.0 kHz. It is well known in the Global Navigation Satellite Systems (GNSS) industry that there exists no standard radio layer definition. Instead, vendor-specific proprietary radio layers are employed. This impedes interoperation between disparate vendor equipment, even when such equipment is fundamentally communicating real-time Differential GNSS (DGNSS)...
RTCM 11010.4 has been published and is now available for purchase - Standard for 406 MHz Satellite Personal Locator Beacons (PLBs), March 17, 2023 (NEWEST version) with Amendment 1
Amendment 1 made the following necessary updates: - added test procedures for 406 MHz PLBs with multi-constellation GNSS receiver modules, and - aligned the AIS identifier, where relevant, to reflect that PLBs are types of EPIRB in accordance with ITU-R M.633, and - align AIS transmitted text, if fitted, to reflect that PLBs are types of EPIRB in accordance with ITU-R M.633, and - some minor editorial corrections. Click on link to access in RTCM store: RTCM 11010.4 Standard for 406 MHz Satellite Personal Locator Beacons (PLBs), March 17, 2023 (NEWEST version) with Amendment 1
RINEX: Version 4.01 replaces v4.0 - 10 July 2023
RINEX: The Receiver Independent Exchange Format Version RINEX 4.01, 10 July 2023 - Updates to Version 4.0: The main changes are the addition of New GPS L1 & L2 Observation Code for RMP antenna (code names are now reserved) and the new NavIC L1 Observation Code.
RTCM Paper 2023-SC104-1344, NTRIP Client Devices / Best Practices is now available
RTCM Paper 2023-SC104-1344, NTRIP Client Devices / Best Practices is now available to download for free; $75.00 for print version.
RTCM 12100.0 has been published and is now available for purchase - Standard for Creation and Qualification of Application-Specific Messages (ASM), June 7, 2022
The Standard specifies requirements for the development of Application-Specific Messages (ASM), and methods to qualify them against those requirements. It is intended for use by competent authorities in determining which ASMs are allowed to be transmitted in their designated area(s). The file download is in .zip format and includes an Excel spreadsheet version of Annex A. Click Here to go to Standard 12100.0