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When voltage telemetry and wx telemetry are enabled, neither of them works #162

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opened 2026-10-05 05:44:01 +02:00 by adam · 8 comments
adam commented 2026-10-05 05:44:01 +02:00
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Hi,
Telemetry only works if only one of the two parameters is enabled (voltage or wx).

However, when both are enabled at the same time, no data is sent back to APRS.IS.

The sensor used was a BMP 280 and the software version was December 2024.

73 F4HOK

Hi, Telemetry only works if only one of the two parameters is enabled (voltage or wx). However, when both are enabled at the same time, no data is sent back to APRS.IS. The sensor used was a BMP 280 and the software version was December 2024. 73 F4HOK <!-- github-sync-id:2767115217 -->
adam commented 2026-10-05 05:44:02 +02:00
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hi,

I confirmed with the developer of aprs.fi and many others that WX packet blocks the decoding of any encoded telemetry added in the comment of the packet.

so you are right:
its a Wx packet and voltage is sended as regular text
or, its a normal gps position beacon with encoded telemetry

the only solution I can see for this is to send (when Wx packet is selected) a new normal gps pack at a different rate to avoid losing the battery telemetry

hi, I confirmed with the developer of aprs.fi and many others that WX packet blocks the decoding of any encoded telemetry added in the comment of the packet. so you are right: its a Wx packet and voltage is sended as regular text or, its a normal gps position beacon with encoded telemetry the only solution I can see for this is to send (when Wx packet is selected) a new normal gps pack at a different rate to avoid losing the battery telemetry <!-- github-comment-id:2569033031 -->
adam commented 2026-10-05 05:44:03 +02:00
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Hi All
Would it be possible to use an automatic altern telemesure beetween voltage and weather when they are two enabled?
73
Syl F1UJT

Hi All Would it be possible to use an automatic altern telemesure beetween voltage and weather when they are two enabled? 73 Syl F1UJT <!-- github-comment-id:2569066128 -->
adam commented 2026-10-05 05:44:04 +02:00
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Hi All Would it be possible to use an automatic altern telemesure beetween voltage and weather when they are two enabled? 73 Syl F1UJT

this could be a good solution... like sending it once 30 min or 1hr?

or just alternating one or the other at the "normal" 15min packet rate?

> Hi All Would it be possible to use an automatic altern telemesure beetween voltage and weather when they are two enabled? 73 Syl F1UJT this could be a good solution... like sending it once 30 min or 1hr? or just alternating one or the other at the "normal" 15min packet rate? <!-- github-comment-id:2569090980 -->
adam commented 2026-10-05 05:44:05 +02:00
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I think normal packet rate 15 min is fine, wx sensors 15 min after voltage and add a comment in WebGUI to explain this mode.

I think normal packet rate 15 min is fine, wx sensors 15 min after voltage and add a comment in WebGUI to explain this mode. <!-- github-comment-id:2569104606 -->
adam commented 2026-10-05 05:44:05 +02:00
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There is two way you can use. A semaphore to switch at each beacon voltage/wx for a time choosen by the user, or having 2 independant routines to send this alternatively (WX at 0 and Voltage at 0 + half of user time ?)

There is two way you can use. A semaphore to switch at each beacon voltage/wx for a time choosen by the user, or having 2 independant routines to send this alternatively (WX at 0 and Voltage at 0 + half of user time ?) <!-- github-comment-id:2569108905 -->
adam commented 2026-10-05 05:44:06 +02:00
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Hi All Would it be possible to use an automatic altern telemesure beetween voltage and weather when they are two enabled? 73 Syl F1UJT

I have something like that running now for testing at SQ2CPA-13, you can check raw packets.

> Hi All Would it be possible to use an automatic altern telemesure beetween voltage and weather when they are two enabled? 73 Syl F1UJT I have something like that running now for testing at `SQ2CPA-13`, you can check raw packets. <!-- github-comment-id:2569118850 -->
adam commented 2026-10-05 05:44:06 +02:00
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I have something like that running now for testing at SQ2CPA-13, you can check raw packets.

It's seems good ! You send telemetry and wx alternatively ?

> I have something like that running now for testing at `SQ2CPA-13`, you can check raw packets. It's seems good ! You send telemetry and wx alternatively ? <!-- github-comment-id:2569147145 -->
adam commented 2026-10-05 05:44:07 +02:00
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As you can see there are two type of frames:

  1. Encoded telemetry (with L# symbol)
    SQ2CPA-13>APLRG1,WIDE1-1,Q1251,qAO,SQ2CPA-4:!L3Q7^Rwq# GLoRa APRS PV WX test|'I%Y!.|`

  2. WX data (with L_ symbol)
    SQ2CPA-13>APLRG1,WIDE1-1,Q1352,qAO,SQ2CPA-4:!L3Q7^Rwq_ G.../...g...t072h34b09864LoRa APRS PV WX test`

I have interval set to 15 minutes and I rotate the frames so:
WX frame every 30 minutes
Telemetry frame every 30 minutes

It works fine, I think that is the best method to have WX gate with Telemetry and WX at once. I don't want to send 2 frames one by one because that's implemented in low power mode so I want to save power and I also don't need WX data and telemetry that often

and one important thing - it only works that way with encoded telemetry and WX, if you have "telemetry" after comment then it works normal with WX and voltages in comment.

I also wanted to use the same L_ icon for encoded telemetry frame but it doesn't work (doesn't parse the data at all) so I have to use standard L#

As you can see there are two type of frames: 1. Encoded telemetry (with L# symbol) `SQ2CPA-13>APLRG1,WIDE1-1,Q1251,qAO,SQ2CPA-4:!L3Q7^Rw`q# GLoRa APRS PV WX test|'I%Y!.|` 2. WX data (with L_ symbol) `SQ2CPA-13>APLRG1,WIDE1-1,Q1352,qAO,SQ2CPA-4:!L3Q7^Rw`q_ G.../...g...t072h34b09864LoRa APRS PV WX test` I have interval set to 15 minutes and I rotate the frames so: WX frame every 30 minutes Telemetry frame every 30 minutes It works fine, I think that is the best method to have WX gate with Telemetry and WX at once. I don't want to send 2 frames one by one because that's implemented in low power mode so I want to save power and I also don't need WX data and telemetry that often and one important thing - it only works that way with encoded telemetry and WX, if you have "telemetry" after comment then it works normal with WX and voltages in comment. I also wanted to use the same L_ icon for encoded telemetry frame but it doesn't work (doesn't parse the data at all) so I have to use standard L# <!-- github-comment-id:2569558568 -->
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Reference: adam/LoRa_APRS_iGate#162