![]() GNSS receivers using PRN 135 on WAAS will no longer receive differential GPS as the PRN has been decommissioned by the FAA. Systems using PRN 135 with RTK or RTK. PRNs 138 and 131 are still operational as well as the newly added PRN 133. The Federal Aviation Administration (FAA) has removed PRN 135 from WAAS satellite operation as of July 25 th, 2019 and activated PRN 133 as of July 22 nd, 2019. Without the minimum compatible version of firmware, your receiver will NO LONGER be able to accept the RTX correction. A firmware update is needed to accept this new encrypted signal.Īs of July 1 st, 2019 the old signal was turned off. Trimble Corrections has changed Satellite Frequency and Baud Rate for the North American Region. Your RTK is NOT affected, ONLY the X-Fill feature is affected. The X-Fill feature allows you to run guidance for up to 20 minutes if the RTK signal is interrupted. ![]() Without the minimum compatible version of firmware, your receiver will NO LONGER be able to accept the X-Fill correction. ![]() Trimble Corrections has changed X-Fill Satellite Frequency and Baud Rate for the North American Region.
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