[time-nuts] WWVB odd propagation 07/14/2013

David McGaw n1hac at alum.dartmouth.org
Sun Jul 14 22:03:12 EDT 2013

The Earth's geomagnetic field has been unsettled (K=4) and the Solar 
Wind magnetic field has been negative (energizing) all day.  Could be a 
setup for a big kick.


On 7/14/13 9:56 PM, paul swed wrote:
> Well this is pretty strange.
> Working on the WWVB d-psk-r and testing a new simple receiver with agc.
> Classic transistor design simple, cheap, and common parts.
> Normal wwvb signal strength on near boston using a Dymec WWVB rcvr quite
> accurate.
> day            night
> 60-80         300-500
> today
> 150            150
> Fairly constant and we have gone through diurnal shift across the country
> now.
> Thats very strange
> Also verified using a HP3586 and its readings have matched the Dymecs
> throughout the day.
> The agc is not getting much of a work out. But I have to say I have never
> seen wwvbs signal this stable and I am talking many years.
> Regards
> Paul
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