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…
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…
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…
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…
Double the value of an Inrico!
Some time ago the Inrico ‘network radios’ saw the light, together with similar device by exotic brands. The units look similar to portable or mobile transceivers, but that’s also the…
DMR thoughts
‘Do you quit DMR?’ This question was sent to my by mail about half an hour after I’d put my Hytera handheld for sale on a second hand website. ‘Did…
First 2m simplex QSO from the KWA tunnel
On Friday February 10th. 2017 probably the first QSO took place from the King Willem Alexander tunnel in Maastricht. While driving into the tunnel I’ve had a QSO with Pascal…
Former antenna sorrow
When sorting out some old file I’ve found an old video and the story linked to it. Some two years ago I’d got the plan to decorate my roof gear…
Something I haven’t done for a long time: a frequency list
While planning a short holiday on the island of Texel I’ve decided to take a scanner with me. Since the deployment of the Tetra network C2000 listening to a scanner…