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

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 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 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, 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, 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, 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, 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, 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, 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

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 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

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 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

Hi, I downloaded last available compass beta version today and installed it (beta 5). Just plugged DRAWS hat on RPi 3B+, connected Din6 cable into left din6 plug and YAESU FT-7900 and set APRS frequen

Ok. I reinstalled chrony for it had been removed when installing ntp. This time command systemctl status chrony showed that it was started as ntp client/server and chrony sources command found 6 sourc

#ntp #chrony #ntpd

I did not install a battery yet in my DRAWS hat. None of the button batteries I have in stock fits into the case. Could someone give me a model reference or number. Bernard

#ntp #chrony #ntpd

If not already present adding in n7nix install core script could be usefull to perform initial system time adjustment when GPS is not yet switched. This is my case for I did’not put any antenna for in

#ntp #chrony #ntpd

Hi Basil, I ran your script verify_time.sh and saw NTP synchronized: no ! Consequently I concluded that my NTP install operation followed by another chrony install introduced some issue. Thus I apt-ge

#ntp #chrony #ntpd

Hi David, groups, You may want to test the attached patch for direwolf adding choice of channel to send calibration tones. 73 de Bernard, f6bvp -------- Message transféré -------- Sujet : Re: [PATCH]