[Premium-Rx] RA1772 and 1778 manufacturing dates

[Thomas Adams]

At 02:43 AM 2/10/2008, John Nelson wrote:
>I wrote a little article about the RA1792 for last years' World Radio and TV
>Handbook and am currently thinking about a piece on the 177x family for the
>next edition. In connection with this I'm trying to establishing
>manufacturing dates for the 1772 and 1778.
>
>I've recently seen some 1772s which have serial numbers in the 211x region
>and are dated 8236. The earliest was 98x and dated 7848. It would be
>interesting to know when production began and ended. The highest-numbered
>1778 I've heard of was one on eBay a while ago which was 425. From the
>write-up I'd guess this was made in 1980 but again it would be interesting
>to know more. My own example is about two years older than this.
>
>Any owners out there with early and late 177x receivers?
>
>73 John
>GW4FRX


Hello John!

I have three RA-1772s here (do you get the impression that I LIKE 
that receiver?
<<GRIN>>). One is definitely military, one is definitely civilian (a 
VERY unstandard
crystal filter configuration, no USB / LSB filters installed, and no 
AFC, RTTY, or
ISB boards installed), and the third is probably a civilian set. None 
of the three
looked like they'd had any major field modification by previous 
owners; they were
pretty much virgin when I got them.

I've never checked out the serial numbers (no need to) or date codes 
(not sure just
where that would be). I can do so if it would help out your writing project.

Contact me off the list if I can help out.  quixote2 at ix.netcom.com

73's,

Mr. T., W9LBB