you may need to install openssl and/or libssl-dev and reboot.
sudo apt-get install -y libssl-dev
I think though that you want modesmixer to feed your planeplotter in which case
it is easier to run modesmixer in your PC.
you need the runtime executables msvcr / msvcp you can download from Microsoft.
then in the modesmixer folder add / edit a file
add the following lines and run it.
echo "modesmixer v 9/2017 - web 9779"
cmd /c mm2.exe ^
--web 9779 ^
--location your LAT:your LON ^
--inConnect your RPi IP:30005 ^
--inConnect your RPi IP:30105 ^
now change the PP line for the receiver
note: you must download the windows version from
note: you can rename modesmixer2.exe to mm2.exe. if not then the above
must change to
cmd /c modesmixer.exe ^
note: on your browser enter
127.0.0.1:9779 to view the modesmixer output.
note: in RPi SSH must be enabled via
raspi-config or via an empty file named