Well I was able to place it, and it seems to be working but it spit this out in the console when I placed it, and now every so often.
I am in sandbox mode and play with a mod called quantum storage, but afaik that mod, and none of the other mods I have do anything with the radar.
Start debug on tick 26846016
===== INFINIRADAR DEBUG INFO =====
Player with ID 1 belongs to force player [1]
Forces and surfaces in storage:
Full storage content:
{
forces = {}
}
Radars on surface nauvis [1]:
{
{
force_index = 1,
surface_index = 1,
unit_number = 1438539
}
}
Radars on surface platform-1 [2]:
{}
Radars on surface platform-2 [3]:
{}
Radars on surface vulcanus [4]:
{}
Radars on surface platform-3 [5]:
{}
Radars on surface gleba [6]:
{}
===== INFINIRADAR DEBUG INFO END =====