Collins R-391 Receiver

The R-391/URR is an R-390 fitted with a Collins Autotune mechanism, which returns the receiver to any of eight preset frequencies. Electrically it is an R-390, so the R-390 material on this site applies to it.

Relevant articles on this site

Related receivers: R-388/URR · R-389/URR · R-390/URR · R-390A/URR · R-392/URR

Mike Peace VK6ADA / r-390a.net and foxtango.org Administrator