AnsweredAssumed Answered

Discrepancy in TRM55971.00 antenna calibration

Question asked by brent.speed@energyaustralia.com.au unknown on Mar 8, 2019

Hey Everyone,

I'm just wondering if anyone else out there has noticed a discrepancy in the vertical phase offset in the Zephyr 2 Geo antenna (TRM55971.00 NONE)?

The label on the bottom has it at 8.564cm, the Trimble website has it at the same Trimble Antenna.ini Antenna Viewer, however the antenna atx file from IGS has it at approx. 6.6cm (ftp://ftp.igs.org/pub/station/general/igs14.atx).  We've noticed the issue when we've upgraded to a new ZG3 and now all our data in T4D has a 20mm vertical shift.

 

We've been working with Trimble support on it for a couple of weeks now.  

 

Anyone else?

Outcomes