[time-nuts] lawnmower robots may be the end of VLF timekeeping

[Björn]

The same has been observed by the lightning listeners at blitzortnung.org

--  

     Björn

<div>-------- Originalmeddelande --------</div><div>Från: Poul-Henning Kamp <phk at phk.freebsd.dk> </div><div>Datum:2015-05-09  14:15  (GMT+01:00) </div><div>Till: time-nuts at febo.com </div><div>Rubrik: [time-nuts] lawnmower robots may be the end of VLF timekeeping </div><div>
</div>I spent some time capturing some data today.

The measurements is from my $20 loop-antenna in the attic, which is
something like 8 meters up and 10 meters besides the lawn-mower loop:

http://phk.freebsd.dk/time/20150509.html

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Never attribute to malice what can adequately be explained by incompetence.
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