Hi,
One reason might be that an iPhone app does not get to execute when a
notification is received from the backend. The notification will be shown
to the user, and the sound is played, but the app does not wake up and
run, until the user opens the message or otherwise goes to the app.
Only after that the app executes and may send an ACK. The app does not
send out acks for messages older than 2 hours, to avoid sending out a
flood of acks when an app instance is launched on a new device, or
otherwise a second device after a while.
Did you have the app open when testing? And push notifications allowed for
aprs.fi?
On Mon, 29 Sep 2025, Wayne Spivak wrote:
> Thank you Hessu,
>
> Just for clarification, I am using on my iPhone the APRS.fi app. Let us focus just on today, 9/29/2025.
>
> I am providing the log of messages sent by my Bot (ERLI APRS NET Log).
> The Raw packets from KC2NJV-4 (the bot, which go through KC2NJV-10, my TNC) and direct you to the highlighted entries.
> Also I have the Raw Packets from KC2NJV-3.
> Below is my current (as of writing this email) stored messages for KC2NJV-3
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>
>
- Hessu