Electronics > RF, Microwave, Ham Radio

GNU Radio and APRS

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sarbog:
I made modifications to the project   gr-APRS - A GNU Radio Block for Receiving APRS  at https://handiko.github.io/gr-APRS/
to work with GNU-Radio 3.10.2.0  on Ubuntu 22.04

Below are screenshots of the flow graph and output.  The PDU vector contents are visible lower left and AX.25 packet on bottom.

Note: A modification is needed to the software that converts from HDLC to AX.25 to avoid the error "Unexpected stop of address section"

sarbog:
The only file I modified was   gr-APRS/Examples/APRS_RX_RTL.grc

sarbog:
Well......  the   embedded  HDLC to AX.25    blocks  needs lots of work!

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