Tetra SDS to DAPNET gateway
The add on ‘SVXSDS‘ which runs beside SVXLink offers an option to send a DAPNET pager message using the SDS Message function of a Tetra radio. Of course this is…
Apollo Gold A30 programmer
A bit off topic is this programmer for the Apollo Gold A30. This is a so called ‘two way pager’, which means the message is sent via POCSAG or FLEX…
Unable to start direwolf using cron
Prerequisites: Raspberry Pi running up to date Buster rtl_fm has been installed and successfully tested SDR dongle has been calibrated direwolf has been installed and configurated rtl_fm and direwolf can…
POCSAG Whitelist for Pi-Star. Use(less)?
Owners of an MMDVM hotspot running Pi-Star can configure this hotspot as low power DAPNET transmitter too. During idle time when no QSO in digital mode is running, the hotspot…
Calibrating an RTL SDR dongle
When uring an RTL SDR dongle with a graphic SDR application you will probably notice that the dongle is not spot on to the frequency. Especially when using the waterfall…
POCSAG transmitter with a Motorola GM1200
Previously the PE2KMV DAPNET transmitter was equiped with a Friendcom FC301 datatransceiver. Because this tiny transmitter only provides 5W power, which is not that much in the hills of southern…
Teletron VKE ‘Flugsicherungsempfänger’
A long time ago I’ve bought a rack with some AM VHF receive modules at a ham flea market. The receive originated from an airport nearby where it had been…
Garmin eTrex 30 repair
After about 10 years of usage the ‘back’ button of the eTrex 30 had completely disintegrated. Regarding age and usage this wasn’t an unexpected issue. Unfortunately Garmin didn’t offer repair…
dutchamateurpagernetwork.nl only accessible via Hamnet
From 2015 onward all effort by some dutch radio amateurs regarding paging was collected at the website dutchamateurpagernetwork.nl At that time paging was nog really common among radio amateurs, except…
Cupholder mount
As the interior of a modern car often offers limited space and because it’s a pity to drill holes everywhere I’ve been searching for a way to mount the head…