[Milsurplus] BC-221 with noisy tuning

[J. Forster]

Getting time and frequency synchronization across the world must have been
a real issue in WWII.

It was necassary for forces that might have come from scores of different
places to arrive on-target at precise times and be able to talk to each
other.

-John

================




> NIST has this at http://www.nist.gov/pml/div688/grp40/wwv-history.cfm
>
> "During the years in Beltsville, many interesting developments took
> place. A fire destroyed the station in November 1940, but the standard
> frequency equipment was salvaged and the station returned to the air
> just 5 days later using an adjacent building. An act of Congress in July
> 1941 provided $230,000 for the construction of a new station, which was
> built 5 kilometers south of the former site and went on the air in
> January 1943. The 2.5 MHz broadcasts began in February 1944, and are
> still used as a convenient way to reach the population nearest the radio
> station. Transmission on 20, 25, 30, and 35 MHz began in December 1946."
>
> On 6/11/2013 12:37 PM, John Hutchins wrote:
>> WWV in opeation since 1922;
>> http://en.wikipedia.org/wiki/WWV_%28radio_station%29
>> At the end of 1922, WWV's purpose shifted to broadcasting standard
>> frequency signals....
>> So It may have been used in WWII.... as a reference?
>> Hutch
>>
>> On 6/11/2013 4:30 AM, C.Whitaker wrote:
>>> de WB2CPN
>>> WWV was there when I went into USAF communications
>>> in early 1946.
>>>
>>> On 6/10/2013 4:41 PM, J. Forster wrote:
>>>> I wonder whether there were on-air frequency standards, like WWV,
>>>> during
>>>> WWII?  Anybody know off-hand?
>
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