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I have (two) Epoch 50 GNSS receiver(s) that I bought used from EBAY several years ago. Until last month, I used one receiver, “Topnet Live” corrections, cell phone and Survey Pro 5.1.1 on a Nomad for serviceable GNSS coordinates. Now… the receiver will not move from autonomous to fixed. It is seeing 13 plus satellites and gathers data for 10-20 minutes and will not fix. I’ve tried both receivers, different open areas. The firmware is 1.00 and 1.01. I asked Spectra Precision for a firmware update, but they said it was a Trimble Product (though it says Spectra Precision on the side). Trimble told me to talk to the dealer I bought it from. Anyone else having this problem? Any solution? Anyone making the Epoch 50 work with other software or correction service? I would appreciate your help.
Thank You
Don Swift PLS ([email protected])
Posted : June 4, 2025 12:32 pm
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I do not have those units but here are some guesses. If you are using a sim card in the Epoch then you might need a new sim card. If you have 3G or 3.5G or 3.75G modems you might be getting only a weak 2G signal because all the phone providers have stopped using 3G signal. Last year my Stonex S850A suddenly would not connect to the network so I had Tmobile ping my 4G modem in the Stonex and they said it was good so I went thru all the settings again and found an obscure permission that was off instead of on and after that it has been perfect again and I have no idea how that permission got turned off but apparently I did it somehow. Hope you figure it out.
Posted : June 4, 2025 8:57 pm
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@landbutcher464mhz Thanks! I'm still guessing.... maybe some setting got changed internally on the Epoch 50...I was able to reset one of them to factory specs but....no fix! I am using a Verizon 4g jetpack maybe the problem is there.... thanks for sharing.
Posted : June 5, 2025 6:32 am