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T-Deck Plus - GPS not accurate & slow #3

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opened 2026-10-27 15:33:35 +01:00 by adam · 10 comments
adam commented 2026-10-27 15:33:35 +01:00
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There is an issue with GPS, initializing works normally, but sats and compared to other firmware (like Meshtastic) does not have the same accuracy!

There is an issue with GPS, initializing works normally, but sats and compared to other firmware (like Meshtastic) does not have the same accuracy! <!-- github-sync-id:3819545079 -->
adam closed this issue 2026-10-27 15:33:35 +01:00
adam commented 2026-10-27 15:33:36 +01:00
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My Plus refuses to get a fix. Bounces from 0 to 6 or more then back to 0.

Map page won't display as no fix established

My Plus refuses to get a fix. Bounces from 0 to 6 or more then back to 0. Map page won't display as no fix established <!-- github-comment-id:3764361634 -->
adam commented 2026-10-27 15:33:37 +01:00
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v9 preliminary: still no GPS on Tdeck Plus - status 1 and sats 0 after 20 minutes

v9 preliminary: still no GPS on Tdeck Plus - status 1 and sats 0 after 20 minutes <!-- github-comment-id:3765292099 -->
adam commented 2026-10-27 15:33:37 +01:00
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give it a try outside with v0.9.4, i wanna know if we experience a "sensitivity" issue which could be the SW.

give it a try outside with v0.9.4, i wanna know if we experience a "sensitivity" issue which could be the SW. <!-- github-comment-id:3781518629 -->
adam commented 2026-10-27 15:33:38 +01:00
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Good fix outside, intermittent in window, no fix inside.

Good fix outside, intermittent in window, no fix inside. <!-- github-comment-id:3785152562 -->
adam commented 2026-10-27 15:33:38 +01:00
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Fix in window seems steady enough to be used in a vehicle and of course outside. Inside not so much...

Fix in window seems steady enough to be used in a vehicle and of course outside. Inside not so much... <!-- github-comment-id:3790922280 -->
adam commented 2026-10-27 15:33:39 +01:00
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v0.9.5 will bring some updated for GPS - give it a try!

v0.9.5 will bring some updated for GPS - give it a try! <!-- github-comment-id:3792938337 -->
adam commented 2026-10-27 15:33:40 +01:00
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after replacing the little 5x20 mm ceramic antenna (that came with a ATGM336H GPS module which I soldered to my t deck) with a bigger ceramic antenna (25x25mm) GPS works great now, fix within a few seconds

after replacing the little 5x20 mm ceramic antenna (that came with a ATGM336H GPS module which I soldered to my t deck) with a bigger ceramic antenna (25x25mm) GPS works great now, fix within a few seconds <!-- github-comment-id:3806647219 -->
adam commented 2026-10-27 15:33:40 +01:00
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sure, thats a solid way to fix it but, i can tell you with the firmware improvements it already got better with the original one :D

sure, thats a solid way to fix it but, i can tell you with the firmware improvements it already got better with the original one :D <!-- github-comment-id:3807618376 -->
adam commented 2026-10-27 15:33:41 +01:00
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@bert010 can you share your experience with v0.9.8? Is the GPS fix on par with other firmwares?

@bert010 can you share your experience with v0.9.8? Is the GPS fix on par with other firmwares? <!-- github-comment-id:3887608586 -->
adam commented 2026-10-27 15:33:42 +01:00
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@SamBouwer sorry, left my t-deck at work and got stuck home with the flu but just did fresh installs of both 0.97/0.98 and gps is working fine, found sats on 0.98 within a minute and a fix within 5

@SamBouwer sorry, left my t-deck at work and got stuck home with the flu but just did fresh installs of both 0.97/0.98 and gps is working fine, found sats on 0.98 within a minute and a fix within 5 <!-- github-comment-id:3913312129 -->
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Reference: adam/meshcore#3