The mod crashes when you try to select a platform while the radar is on a platform, the script seems to expect to be on a planet. Yes, radars can be placed on space platforms.
The mod Radar Uplink (0.1.2) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event hexcoder-radar-uplink::on_gui_checked_state_changed (ID 3)
hexcoder-radar-uplink/script/radars.lua:360: attempt to index field 'planet' (a nil value)
stack traceback:
hexcoder-radar-uplink/script/radars.lua:360: in function 'refresh_platform_radar'
hexcoder-radar-uplink/script/radars.lua:501: in function 'refresh_radar'
hexcoder-radar-uplink/script/radar_gui.lua:196: in function <hexcoder-radar-uplink/script/radar_gui.lua:138>