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Aprs

HamBSD Development Log 2020-05-05

I worked on HamBSD today, still looking at improvements to aprsisd(8). My focus today was on converting AX.25 packets to the TNC2 format used by APRS-IS.

I fixed the path formatting to include the asterisks for used path entries. Before packets would always appear to APRS-IS to have been heard directly, which gave some impressive range statistics for packets that had in fact been through one or two digipeaters.

A little more filtering is now implemented for packets. The control field and PID are verified to ensure the packets are APRS packets.

APRS on HF

On Thursday, an email appeared on the hackerspace mailing list proposing an adventure to a distant land where we would operate portable amateur radio stations. Today I went on an adventure to Burghead, a place by the sea approximately 64 miles on a bearing of 305° from my home in Aberdeen. The group embarking on this adventure included Hibby MM3ZRZ, Tom MM6IRQ, Ed MM6MVP and Derecho PA1XOR. We travelled by car and beaconed our journey with APRS-IS on the way.

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