[time-nuts] More ES100 WWVB Measurements

[Tom Van Baak]

If anyone else wants to see Alex's live WWVB AM / PM video, I put a copy here:

http://leapsecond.com/tmp/DSCN4930.MOV

Video notes from Alex Pummer:

> once upon the time I made one a small video clip from a scope screen;
>
> first trace the output of the WWVB 60kHz antenna system which is
> remotely a tunable and amplified it has cca 100mV peak to peak output
> level [the antenna coil's diameter is cca 1meter, location close to
> Livermore California]
>
> second trace of the scope is a 60kHz square wave -- used to trigger
> the scope -- derived from an U-blox GPS receiver
>
> it is interesting to see the modulation of the WWVB signal -- AM and PM
>
> 73
>
> KJ6UHN Alex

/tvb