Re: [IRCA] [NRC-AM] World War Two power reduction

[John Sampson <jnsampson@xxxxxxxxxxxxx>]

I think Conelrad started sometime in the early 1950s.  I can remember one or two tests where all US stations did their 640/1240 thing in the wee hours; don't remember the exact date of the tests but I believe it was after we moved to Omaha in 1954. - John




On Apr 12, 2014, at 5:21 PM, Russ Edmunds wrote:

> IIRC that was the same principle that drove the old Conelrad system with multiple stations broadcasting emergency info
> on 640 and 1240. I'm not sure, but I believe that Conelrad started as a WWII service.
> 
> Russ Edmunds
> 15 mi NNW of Philadelphia  
> Grid FN20id
> <wb2bjh@xxxxxxxxx>
> 
> 
> --------------------------------------------
> On Sat, 4/12/14, Ben Dangerfield <ben-dangerfield@xxxxxxxxxxx> wrote:
> 
> Subject: [NRC-AM] World War Two power reduction
> To: "AM DX" <AM@xxxxxxxxxxx>
> Date: Saturday, April 12, 2014, 11:25 AM
> 
> This was similar to the blackouts on
> both coasts when air raids were feared. 
> And in the United Kingdom BBC statuins moved to one or two
> frequencies to 
> prevent German plsnes from zeroing in on specific
> locations  When I arrived 
> in England in 1943 there were just two BBC programs: 
> Home Service and 
> Forces Program. The BBC also had transmitters at undisclosed
> locations aimed 
> at continental Europe.  Of course this combining
> frequencies did not stop 
> the German air raids.
> 
> Ben Dangerfield,  Wallingford, Pa. 
> 
> _______________________________________________
> The NRC AM mailing list
> Questions? owner@xxxxxxxxxxx
> Antenna Pattern Book Now Shipping
> AM Radio Log 34th Edition SOLD OUT
> FM Atlas 21st Edition Close Out Prices!
> Details at http://www.nrcdxas.org
> 
> 
> 
> _______________________________________________
> IRCA mailing list
> IRCA@xxxxxxxxxxxxxxxx
> http://montreal.kotalampi.com/mailman/listinfo/irca
> 
> Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers
> 
> For more information: http://www.ircaonline.org
> 
> To Post a message: irca@xxxxxxxxxxxxxxxx
> 


_______________________________________________
IRCA mailing list
IRCA@xxxxxxxxxxxxxxxx
http://montreal.kotalampi.com/mailman/listinfo/irca

Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers

For more information: http://www.ircaonline.org

To Post a message: irca@xxxxxxxxxxxxxxxx