Topcon Gr 3 radio issues

Discussion in 'Other GPS Devices' started by vansonly, Oct 19, 2016.

  1. vansonly


    Oct 19, 2016
    Likes Received:
    I have a Topcon GR 3 which has been set up as a Rover. Recently I have noticed that the Radio Link has been having poor performance. I ran a check with a GR 5 at the same distance to base of about 1,765' to base and the results were as follows:

    GR 3 Radio Link = RTCM3.x age= 15s, 46%
    GR 5 Radio Link = RTCM3.x age 1s, 100%

    We are use to seeing the link go from 97-98 to 100% normally. However, this is now creating a problem. The GR 3 seems to work fine as a base which would mean the problem would be with the receiver and not the transmitter.
    Any help would be greatly appreciated.
    vansonly, Oct 19, 2016
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