- 1. Topband: R-390 rcvrs..... (score: 1)
- Author: billandjosi@earthlink.net (billandjosi)
- Date: Sat, 3 Aug 2002 06:33:24 -0700
- There are actually TWO models of R-390s...one made by Collins, and the = other, I'm not sure. One fella that KNOWS R-390's is K 7 L F = ....you might ask him. In 1959 I was in the crew that installed
- /archives//html/Topband/2002-08/msg00017.html (7,525 bytes)
- 2. Topband: R-390 rcvrs..... (score: 1)
- Author: k4kyv@hotmail.com (Donald Chester)
- Date: Sat, 03 Aug 2002 21:38:56 +0000
- The '390/390A and the 51J4 have little in common, except for the general coverage feature and Collins PTO/tuneable i.f. scheme. The J4 looks like a general coverage version of a 75A4, but the conver
- /archives//html/Topband/2002-08/msg00020.html (7,815 bytes)
- 3. Topband: R-390 rcvrs..... (score: 1)
- Author: WA4HHG@R390A.com (Chuck Rippel)
- Date: Mon, 5 Aug 2002 18:28:09 -0400
- I think I can speak to R390A's having restored several hundred but only 1 of the older R390's. The R390A would great for CW but because they use symmetrical mechanical filters v/s asymmetrical, it do
- /archives//html/Topband/2002-08/msg00026.html (7,986 bytes)
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