http://forum.blitzortung.org/showthread.php?tid=705&highlight=lawn+mower

Working url. Sorry for the mistake in previous post.

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    Björn

<div>-------- Originalmeddelande --------</div><div>Från: Björn 
<[email protected]> </div><div>Datum:2015-05-09  20:15  (GMT+01:00) 
</div><div>Till: Discussion of precise time and frequency measurement 
<[email protected]> </div><div>Rubrik: Re: [time-nuts] lawnmower robots may be 
the end of VLF timekeeping </div><div>
</div>The same has been observed by the lightning listeners at blitzortnung.org

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     Björn

<div>-------- Originalmeddelande --------</div><div>Från: Poul-Henning Kamp 
<[email protected]> </div><div>Datum:2015-05-09  14:15  (GMT+01:00) 
</div><div>Till: [email protected] </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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