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Decentralized Amateur Paging Network. POCSAG on 439.9875 MHz (70 cm). Licensed hams only. Web + apps send to a capcode / RIC.
https://hampager.de
Jonathan G4KLX gateway from DAPNET into MMDVMHost. Hotspot becomes a POCSAG stick on 439.9875.
https://github.com/g4klx/DAPNETGateway
Network sketch. Pi + UniPager + MMDVM or RasPager, AlphaPOC / Skyper receivers, ~20 km per stick depending on height.
https://en.wikipedia.org/wiki/DAPNET
GNU Radio blocks for POCSAG 512/1200/2400 and FLEX. Encoder side. Points at ITU M.584 and ARIB STD-43 for FLEX.
https://github.com/unsynchronized/gr-mixalot
Decoder. POCSAG 512/1200/2400, FLEX, a pile of other digital voice. Pair with an SDR on a frequency you are allowed to listen to.
https://github.com/EliasOenal/multimon-ng
Windows POCSAG / FLEX decoder from the discriminator.nl shelf. Old, still the GUI a lot of people open next to HDSDR.
https://www.discriminator.nl/pdw/index-en.html
Pi + 4.5 kHz FSK radio + UniPager. Parts list and the 439.9875 / ±4.5 kHz numbers in one place.
https://www.pe2kmv.nl/wp/en/pocsag-en/dapnet-pocsag-transmitter
RX plus TX for old pagers. POCSAG three speeds and FLEX 1600–6400. Author notes ReFLEX docs are still thin outside patents.
https://github.com/jjwbruijn/POCSAG_FLEX_Modem
Raspberry Pi add-on board that actually FSK-modulates POCSAG. The low-power personal TX on the DAPNET map.
https://github.com/rwth-afu/RasPager
Rust transmitter daemon for DAPNET. RasPager, RFM69, soundcard, Ericsson C9000. One binary for the usual ham TX pile.
https://github.com/rwth-afu/UniPager
