California Surveyors Forums

Notice to CRTN Users: Epoch 2025.00 NAD83(2011) Starting August 11

We plan to transition to broadcasting Epoch 2025.00 NAD83(2011) coordinates in our RTCM messages on Monday, August 11. The coordinates will be posted shortly on the CSRC and CRTN web pages as well as the NTRIP parameters (IP:Port, Mountpoint). We will no longer maintain 2017.50 coordinates after this date. To transform your surveys points to earlier epochs use SOPAC’s SCIP utility (http://sopac-adj.ucsd.edu/scip/). In addition, we will transmit RTCM version 3.4 messages with full GNSS data from many of the CRTN stations. Please direct any inquiries to mrturingan@ucsd.edu (or maria@ucsd.edu).

--Yehuda
________________________________________________
Distinguished Researcher and Senior Lecturer
Director, Scripps Orbit and Permanent Array Center (SOPAC)
Director, California Spatial Reference Center (CSRC)
Address:
University of California San Diego
9500 Gilman Drive
La Jolla, California 92093-0225

This is great news !

I hope this fixes the "no link" message that is gotten from station CROW. I personally have never been able to use CROW. Just a "no link" message.
No solution from CRTN either. (^_^)

Note also that CRTN is changing the IP and port values for Zones 1, 2 and 6. Starting tomorrow (July 31) they'll be 132.239.152.4 and 2102, respectively. (The CRTN message says that the change will occur *by* the morning of July 31. I'm monitoring it this evening to see if it happens sooner.)

I just checked again at 9:30 p.m. 7/30, and the new IP and port are working.

So far, though, the link to the CRTN Access spreadsheet still points to the April 2025 version.

FYI, the CRTN spreadsheet link (http://sopac-csrc.ucsd.edu/wp-content/u ... ublic.xlsx) now points to the new spreadsheet.