[R-390] [ R390] R1051B/UU for sale

Sun Jul 25 14:28:52 EDT 2004

Bob, Chuck , Don and others,
Due to the interest and questions on the R1051 series please find 21 
URLs, others are likely out there...

http://www.laud.no/la6nca/staaland/
http://www.fernblatt.net/m11.html#a2147
http://www.acadiacom.net/nlee/r-1051_index.html
http://www.roveroresearch.com/ss_ba/r1051.html
http://www.eham.net/reviews/detail/2628?ehamsid=5e4c247d44702862da0ebda98b962ef8
http://mikea.ath.cx/R-1051/
http://216.239.41.104/search?q=cache:hox0Oq3OFUYJ:jtrs.army.mil/documents/RadioFactSheets/CLUSTER_3_INDEX.doc+R+1051B&hl=en
http://www.qsl.net/ik0moz/admm_intern.htm
http://www.shlrc.mq.edu.au/~robinson/plugs/index.html
http://www.jamminpower.com/main/r1051.jsp
http://www.antiquewireless.org/otb/albacore.htm
http://www.k1uq.com/restoration_story.htm
http://www.fas.org/man/dod-101/sys/ship/ddg-51.htm
http://mcgp.cellmail.com/database/dailyindex.htm
http://www.history.navy.mil/photos/images/u120000/u129207.jpg
http://www.usspueblo.org/v2f/aftermath/pueblotourist.html
http://users.erols.com/eengineer/pueblo.html
http://users.erols.com/eengineer/096f_13.jpg
http://search.archives.gov/cs.html?url=http%3A//www.archives.gov/research_room/research_topics/korean_war_casualty_lists/co_alphabetical.html&qt=pueblo+ship&col=&n=21
http://www2.arrl.org/news/features/2003/08/27/1/?nc=1

thanks
John
N3JKE

Bob Camp wrote:

> Hi
>
> Well this is far from the whole story and it's pretty biased as well.
>
> More or less the R-390A was the last fully tube based general coverage 
> HF receiver fielded by the US military. The R-1051 was more or less 
> the first mostly solid state radio fielded by at least one part of the 
> US military. Both radios saw use more or less side by side for a lot 
> of years.
>
> To what ever extent a SP-600 is a better band cruiser than a R-390A 
> the R-390A is a better band cruiser than the R-1051. Anybody suffering 
> from R-390 wrist need not investigate the R-1051.
>
> The R-390A is very much an easier radio to work on than the R-1051. A 
> lot of the semiconductors used on the R-1051's are a bit hard to find 
> these days. Also while both are modular radios the R-390A modules are 
> a bit easier to work on. As complicated as the R-390A is mechanically 
> the R-1051 is pretty much in the same league.
>
> The 1051 is a lot more stable than most radios from the era and for 
> that matter more stable than most of the radios made today. It is a 
> true SSB / ISB radio, unlike the R-390A that really needs an outboard 
> gizmo to do well on SSB. I find that I like the sound of the R-390A on 
> AM a bit better than I like the sound of the R-1051 running AM but 
> that may just be me.
>
> Both radios can be a bit high maintenance. A lot depends on the 
> individual radio you happen to have. There are examples of both radios 
> running 24 hours a day 365 days a year. On average though I would 
> expect to have to work on either radio from time to time in order to 
> keep it running at top performance.
>
> At least from the examples I have here I would say that the R-390A has 
> better sensitivity than the R-1051.
>
> If from all of this you gather that they are two different radios then 
> you have the right idea. The real replacement for both radios came 
> with the generation of radios like the Harris RF-590. Even now later 
> versions the R-1051 are in active service along side much newer radio 
> designs. If the R-390 is still in active military service it's pretty 
> well in stealth mode compared to the 1051.
>
> If we believe in the power of the market to determine the merit of a 
> radio then you have to admit the R-390A sells for more money then the 
> early R-1051's when both radios are in similar shape. Since there are 
> a lot more R-390A's out there you might argue a bit with this conclusion.
>
> I don't know if that answers your question or not.
>
>     Take Care!
>
>         Bob Camp
>         KB8TQ
>
>
>
> On Jul 25, 2004, at 5:51 AM, Charles B wrote:
>
>> Hi All,
>>
>> I am not familar with the R-1051B/URR.  Can some one inlighten me on 
>> this receiver?
>>
>> Thanks
>>
>> Chuck
>> Just trying to learn.
>>
>>
>>
>>
>> John wrote:
>>
>>> Members,
>>> Thanks in advance for the bandwidth
>>> Now available
>>> (1) R-1051B/URR receiver//includes rack and bottom mount adapter 
>>> plates//N to BNC adapter//120v fused line filter//Unit "Field 
>>> Changes Accomplished" 1, 2, 3, 4//v.g. mechanical, electrical, 
>>> cosmetic condition//pictures available//includes spare tubes//manual 
>>> reprint in 3-ring binder//
>>> first best offer received by 2300 hrs on 27th July 2004
>>> CONUS only
>>> Shipment terms negotiable
>>> vr//jbharvie at erols.com
>>> Maryland USA
>>> ______________________________________________________________
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>>
>>
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>
>