No GPS fix on TBeam-AXP2101-V1.2

moshe-braner / Open-Glider-Network-Groundstation

Open Glider Network Receiver based on TTGO T-Beam ESP32 hardware.

https://ros-it.ch/open-glider-network-base-station/

GNU General Public License v3.0

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No GPS fix on TBeam-AXP2101-V1.2 #18

Closed lkangas closed 5 months ago

lkangas commented 6 months ago

I've tried two different hardware, both TBeam-AXP2101-V1.2, one with NEO-6M GPS module and another with NEO-8M. Neither get GPS fix after a day outside.

Do we need code changes related to AXP2101 like people at Meshtastic experienced? https://meshtastic.discourse.group/t/lilygo-t-beam-v1-1-no-gps-fix/8277/7

lkangas commented 6 months ago

Apparently AXP2101 is controlled correctly, since after setting the "Time from GNSS" config, I can see successful communication with the GNSS module in the serial port stream.

Perhaps my fix issue is just with the antenna?

lkangas commented 5 months ago

After acquiring a replacement antenna (https://www.aliexpress.com/item/32990154734.html), I can confirm that I get a fix in under a minute, the problem is in the stock antenna of the T-Beam.