[Milsurplus] 1918 Receiver IP-501

[Al Klase]

And don't forget The United Fruit Company, as in banana boats with 
radios. - Al

On 4/25/2013 11:41 AM, COURYHOUSE at aol.com wrote:
> REMEMBER>
> Wireless Speciality was  in on the  formation of   RCA   along with  GE and
> Westinghouse.
>   
> Wireless Speciality produced the  I{-500 and  IP-501
>   
> Ed Sharpe
>   
>   
> In a message dated 4/25/2013 8:13:48 A.M. Mountain Standard Time,
> ark at ar88.net writes:
>
> Hi  Mike,
>
> They are not quite vanishingly rare.  A fair number were  produced, and
> RCA Radiomarine got involved, and sold and supported them  for years.
> Legend has it that they survived on the Great Lakes  throughout WWII,
> after they had been banned form the high seas do to  oscillator radiation
> concerns.
>
> I believe radios like this were the  source of the low-radiation flap.
> It's a regen without an RF  stage.  I once tuned it up on 600-meters into
> a good sized  antenna.  I keyed the antenna lead with a relay driven by a
> function  generator.  I could easily hear it a kilometer away on a
> transistor  portable using the built-in loop.
>
> 73,
> Al
>
> On 4/23/2013 2:42  PM, Mike Morrow wrote:
>> Dave wrote:
>>
>>> WWI-era Navy  receiver:
>>>
>>> http://www.ebay.com/itm/171028364143
>>   Al wrote:
>>
>>> This appears to be an IP-501 from 1918 with  about 5 inches sawed off the
>>> right side.  I guess I should be  glad mine is reasonably intact, even if
>>> it has a bunch of cobbled  up parts.
>>>   http://www.njarc.org/rtm/Regen_Inages/IP-501-2.jpg
>> Very nice  looking!  I wonder how many of these have survived.  The one
> in
>> the cited auction obviously has not.
>>
>> Mike /  KK5F
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/