Blog
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WIDE1-1, WIDE2-1: choosing an APRS path
What an APRS digipeater path is, what WIDE1-1 and WIDE2-1 ask for, which path suits a mobile or a fixed station, and where APRS Connect shows it.
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APRS SSIDs explained: what -7, -9, -5 and the others mean
What the number after the dash in an APRS callsign means, the conventional use of each SSID from -0 to -15, and how to choose one for a phone.
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What happens after you press Send on an APRS message
How an APRS message travels, what the six delivery states in APRS Connect mean, the retry schedule, and how to read the message detail timeline.