[AMRadio] Collins R-390?

Bob Macklin macklinbob at msn.com
Fri Nov 28 19:26:02 EST 2008

I had the impression the R-390 was essentially a R-388 with a digital

----- Original Message ----- 
From: "Ed Sieb" <esieb at sympatico.ca>
To: "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Sent: Friday, November 28, 2008 12:38 PM
Subject: RE: [AMRadio] Collins R-390?

> No. The R-388 is the military version of a 51J-3. The R-388A is the
military version of a
> 51J-4.
> The R-390 series came much later.
> --------------------------------------------------------------------------
> Bob Macklin  wrote:
> s the Collin's R-390 (and R-388) basically a Mil version of 51 series
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