Collins Designed R390 (Non A) Overview
21:51
Collins R390A/URR overhaul / Gear assembly after cleaning
20:05
R390A Solid State Conversion Video #1
24:28
LTV175F - Spy Receiver
22:25
The Lost Decade
5:08
Collins R390A kicking ass and taking names
22:23
RACAL RA6790A - R-2174 - HF Receiver + Some strange signals on 8.864MHz
21:43
R-391/URR Repair and Restoration Project Part1. The AN/FRR-33 diversity station reviving.
11:59