Please note that we only provide copies of the executable that are provided to us by Trimble.   The runpkr00 program is both developed and supported by Trimble. The program runpkr00 was created to translate Trimble's proprietary data-file... Read More

The mean power consumption during a 12 hour test of the Trimble NetR9 receiver was: 3.67 WTesting Procedure:Input: 16 VAgilent N6705B DC power analyzerPower sampling rate: 10 HzTest was conducted at room temperatureTracking GPS L1/L2 onlyLogging one... Read More

May 2014 Notice:  Discontinue use of USB Storage on Trimble NetR9'sDue to receiver failures caused by USB drives all users should disable all logging sessions that write data to the /External directory, or physically unplug the drive from their... Read More

NetR5, NetR8, and NetR9 hardware requires that Power On and Shutdown Voltages be properly configured to ensure proper functionality when used with DC power systems.  UNAVCO has determined, and Trimble has confirmed, that a NetR5, NetR8, or NetR9... Read More

Trimble NetRS -- How to track and log L2C To enable L2C tracking on a NetRS receiver Change the Record Type to allow L2C data to be written to a session file (Firmware 1.2-0 or later required and firmware 1.3-0 is preferred) - Go to the receiver's w... Read More

Antenna Type: Trimble Zephyr Geodetic (TRM41249.00) Dome Type: Tall SCIGN Radome (SCIT) IGS Name: TRM41249.00 SCIT Calibrated Frequencies: GPS L1, L2 UNAVCO provided 4 antennas with radomes to Geo++ for robotic calibration in 2016. The results will... Read More

General Serial Output Format (GSOF) messages are a Trimble proprietary format and can be used to send information such as position and status to a third-party device. More detailed information regarding the structure of this binary message format can... Read More

Purpose... Read More

Location: UNAVCO facility roof NE corner Author: Henry Berglund Contact: Berglund@unavco.org Introduction: Trimble currently offers two choke ring antenna designs for GNSS applications: The Trimble GNSS Choke Ring Antenna has a traditional Dorne... Read More

If you need to access your Trimble NetRS, NetR5, NetR8 or NetR9 receiver using HTTPS without using Internet Explorer, there is now a work around for using a Firefox browser. The steps below outline how to configure your Firefox browser to accept the... Read More