Robert W. Downs wrote: > What was used as the radio compass set? I think it would be too early for the > AN/ARN-6 (which was just post-WWII, I think). There was the MN-26 in both manual and automatic versions. They preceeded the ARN-6. This is a very nice and advanced radio, IMO, especially in the automatic configuration. It does not seem to be popular with collectors, though. -John