by PE2KMV
Tetra has been known among radio amateurs for some time, but until recently its use was almost entirely limited to DMO (Direct Mode Operation). With recent developments in software-defined radio…
Below are several videos of my TETRA experiments. The configuration that has been running trouble-free for years consists of a Motorola MTM5400 functioning as a DMO repeater. The advantage of…
In case the automated installation of Unipager fails the application can be installed manually by following the steps below.
The Icom IC-92D is powered by a 7.4V battery pack, model BP-256. As with all these battery packs, the casing is tightly sealed, making it (very) difficult to replace the…
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…
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…
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…
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…
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…
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…