[Premium-Rx] Unidentified receiver in Radio Bygones article

[DANIEL HIGGINS]

A very interesting article.  I think that receiver A may be the Racal 
RA1280.  I'm not 100% sure of the number, but I remember seeing one when I 
worked at Racal.  It came in 3 19 inch rack units and was tuned in 1Hz steps 
using thumbwheel switches.  I believe the roofing filter was made from 
individually selected crystals so a lot of attention was paid to front end 
performance.  I don't know who this was built for, but I believe there were 
not many made.  The model from the lab was sold to one of the employees when 
they had a clear out, but I don't believe he did much with it.

Regards,

Danny, G3XVR

----- Original Message ----- 
From: "Karl-Arne Markström" <sm0aom at telia.com>
To: "Michael O'Beirne" <michaelob at tiscali.co.uk>; "Premium-Radio" 
<premium-rx at ml.skirrow.org>
Sent: Saturday, March 19, 2005 6:47 PM
Subject: Re: [Premium-Rx] Unidentified receiver in Radio Bygones article


Hello,

Just looked in the recent addition of the Radio Bygones article of Feb/March 
2004.

In this article you asked for help to identify the missing non-Marconi 
receivers
of the comparison tables.

I can help you with a positive identification of 'H'
which is the Swedish ITT/Standard Radio & Telefon AB
CR300 family (unclear which version, probably the CR302A which was the 
earliest production).

My thoughts when studying the table was if the SRT CR300 was that good in 
comparison
(a mid-range receiver in a current rating system), how well should the SRT 
CR90/91 have been rated...?

Finally, it is likely that 'D' is the Plessey PVR-800 remote controlled 
receiver,
a full 19" rack filled with early solid state circuitry of dubious quality.

73/

Karl-Arne
SM0AOM



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