Neptun radar

What is Neptun radar?

Neptun radar meaning in German military terminology / glossary / dictionary is:
Low-to-mid VHF band (125 to 187 MHz) airborne intercept radar for night fighter aircraft, to take the place of the Lichtenstein SN-2 unit, which had been compromised by July–August 1944.

 

reference: Wikipedia: Glossary of German military terms