[Milsurplus] Freetime

[Al Klase]

There's a complete explanation here 
<https://www.nist.gov/pml/time-and-frequency-division/radio-stations/wwv/wwv-and-wwvh-digital-time-code-and-broadcast>. 


On 8/20/2019 10:41 PM, Brian Goldsmith wrote:
>
> Dave Stinson asked about WWVH BCD modulation,the following is from the 
> WWVH website:-
>
> *Modulation*
>
> The signals broadcast by WWVH use double sideband amplitude 
> modulation. The modulation level is 50 percent for the steady tones, 
> 50 percent for the BCD time code, 100 percent for the second pulses 
> and the minute and hour markers, and 75 percent for the voice 
> announcements.
>
> Brian g
>
>
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-- 
Al Klase – N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/

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