Hi Annaliese, Following your indications did not make it, as kernel headers version was reported missing for the last kernel 4.14.69. I had however a success after doing apt-get remove raspberry-kerne

Did you download and install Compas Linux ? It includes now an automatic update of UDRC driver that works great with Direwolf after apt-get upgrade RPi-update that are now accepted and doing fine. 73

Hi Steve, Being involved into an EME project with a 10m dish radiotelescope antenna in Paris (France), we are considering using a LimeSDR mini TRX available for 139$ + 10$ shipping. https://www.crowds

Sorry picture did not follow on the list. When din6 plug is oriented with vertical slot upward, the correct hole is the second one the left that is nearly horizontal. 73 de Bernard f6bvp

Hi, Din6 plug looks like : I guess you don’t have an oscilloscope to visualize electric audio signals. I suggest you connect an earphone wire into the left horizontal hole according to the figure and

Hi, Did you try to run measure.deviate script and see if audio output is ok ? You may still have to edit the script in order to trigger PTT. 73 de Bernard f6bvp

Hi, The main question is which plug are you using : din6 or hd15 ? And what kind of cable. I guess you use din6 for you have selected GPIO 23 for channel 1. If using din6 with a standard din6 cable yo

Hi, Exactly as it has been reported by TG9AOR on 16/01/2018 at 22:05 : I found that from time to time when manipulating direwolf with different configuration files and different options, UDRC would ev

Hi, I am using audacity in order to check proper wiring of din6 and HD15 UDRC-II interfaces with my radios set. It does not actually provide supplementary information for optimal audio level setting n

Hi, I suggest you install audacity (available using apt-get install) and configure it for UDRC audio card (menu preference !). I found it very useful to visualize and check audio input levels. Caution

Hi All, I am helping to set up an Amateur Radio Satellite station at University Paris Diderot for IgoSat project. It is part of a larger nanosatellite Cubesat 50 project. Around Paris area, there are

Hi John, Nano satellite project IgoSat from University Paris-Diderot will use GMSK modulation for UHF telemetry downlink (Isis VHF/UHF module). An UDRC-II modem was kindly provided by NW digital as a

Hi, When PTT is acting you should see red LED lighting on the side of activated connector either din-6 or hd15 of UDRC board. To check transmit you can use pbeacon on either channels like in sample di

Hi all, I have been working on the AX.25 module bug that is responsible of a kernel panic and crash. It appeared recently on Raspbian distro when performing an rpi-update. I checked all previous kerne