Shortcut

cd ~/openwrt ; git pull 
ls -l feeds.conf
echo maybe: cp feeds.conf.default feeds.conf
echo "src-git ptudor https://github.com/ptudor/openwrt-packages.git" >> feeds.conf
./scripts/feeds update -a ; ./scripts/feeds install -a
make package/galmon/{clean,compile} V=s
make package/aprx/{clean,compile} V=s
make package/randomsleep/{clean,compile} V=s
echo galmon-ubxtool is under Utilities category and web interface is in luci-apps category
echo aprx is under Network category
echo randomsleep is under Utilities category
make menuconfig && make V=s download && time make V=s

Details

• utils/galmon/ — galmon GNSS monitoring (ubxtool); web UI in applications/luci-app-galmon/. See utils/galmon/README.md.
• net/aprx/ — aprx APRS iGate/Digipeater daemon (procd service, /etc/aprx.conf). Restored from the dropped official package, retargeted at PhirePhly/aprx. See net/aprx/README.md.
• utils/randomsleep/ — randomsleep cron-jitter sleep utility (anti-thundering-herd; getrandom(2) on musl). See utils/randomsleep/README.md.