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Move2Radio

Software to receive MOVE-II frames using sdr sticks. The hardware supported by this project is all hardware supported by gr-osmosdr. Move2Radio is supported on Linux using the AppImage format. The software will decode the nanolink frames sent by the satellite and send it to the MOVE server via HTTP.

Download

You can download the newest version of move2radio here: https://move2radio.lrt.mw.tum.de/download

Install

The AppImage itself can simply be started like a executable. On most linux systems you will have to mark the file as executable after download:

  1. right click on file
  2. properties
  3. permission
  4. mark as executable

SDR stick driver

To run this software you will need a SDR-stick compatible with gr-osmosdr. The stick needs to be installed in your operating system for SDR usage. This means a udev rule will have to be installed and the kernel driver deactivated.

Example for rtl_sdr devices

The following is an example, you will have to find the exact udev rules needed for your device using google.

First create a file /etc/udev/rules.d/50-rtlsdr.rules with the following content:

SUBSYSTEM=="usb", ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="2838", GROUP="adm", MODE="0666", SYMLINK+="rtl_sdr"

Then reload the udev rules:

sudo udevadm control --reload
sudo udevadm trigger

As final step remove the kernel driver (Note, see next if this does not work on your system):

sudo rmmod dvb_usb_rtl28xxu

To make this permanent, add the module to the module blacklist. Create a file /etc/modprobe.d/sdr.conf with the following content:

blacklist dvb_usb_rtl28xxu

and reboot!

Now start move2radio and it should detect the sdr stick!

Usage

Just start move2radio.AppImage and wait until it launches. The terminal that opens will tell you if there are any errors. When the program started, your session-id will be printed in the terminal. To later see which data you provided to the MOVE-II project, write this session-id down. Use the frequency slider to receive the correct frequency of the satellite.

The session-id that appears in the terminal can be used to register your call-sign or name on https://move2radio.lrt.mw.tum.de/

Your name/callsign will then appear on the leaderboard with the amount of frames your contributed.

Build

This repository provides the build script used to build move2radio. It downloads all needed sources as compiles them as needed.

AppImage

You can build the whole software package with the following commands:

mkdir build && cd build
cmake ..
make appimage

Components

Each component of the software can be built by itself. For example to build only the gr-ccsds gnuradio blocks:

make build_gr_ccsds

Similarily, to only build the exact gnuradio version used in move2radio:

make build_gnuradio

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Amateur Radio Software to receive MOVE-II beacons

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