The APRS.fi app has to be running. At least in the background (iirc). The app gives the information needed to make the packets to send via the radio… all the TNC does is convert hex code into digital tones and vice versa to make the radio talk to the cell phone or PC.
you have two questions here. First, the frequency is dependent upon what you are trying to do. For instance, APRS uses 144.390 for the calling frequency, but if I’m trying to send out an email via WinLink, I need to scan (using WinLink) for the frequency of the closest node and use that...
The only reason I ask, is because you might be able to hit a WinLink node easier than an iGate. But WinLink isn’t for the faint of heart. I need to finish this thread by doing a walkthrough of setting up WinLink and the TNC3. WinLink can be very confusing to use.
Make sure the 2200 has the squelch off and configure the TNC3 in the config app to adjust the audio levels for best performance of the 2200.
one last question
Have you tried using WinLink?
I used to have an 06 TJ that I put a Joying head unit in. I had it loaded up with Back Country Navigator as well as a few other nav apps. It worked pretty good. Well so good, I want to get another one for my Bronco.
https://www.joyingauto.com/
If you are transmitting off of the radio with the TNC3 and hearing it in another radio, but aren’t being spotted on APRS.FI, then you aren’t hitting an iGate. You either need a better antenna, more power, or a combination of the two. If you have a buddy with an APRS enabled radio, see if he...
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