On 3 Jul, 2013, at 14:03 , Tim Shoppa <[email protected]> wrote:
> I have also heard YVTO on 5MHz underneath both WWV and WWVH, strangely
> off-kilter by half a second or so.
When BPM does that, like maybe at the beginning of this
http://www.youtube.com/watch?v=WRaRB-x84xg
I think it is because they are transmitting UT1 pips rather
than UTC pips. I assume this might be convenient for celestial
navigation users, though I can't imagine that there are a whole
lot of those left.
Dennis Ferguson
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