[time-nuts] Effects of Simple GPS jamming on GPSDO's ?

Dana Whitlow k8yumdoober at gmail.com
Sat Sep 1 06:49:17 EDT 2018

Question for Mark re metal foil under the antenna:

What's the nature of the improvement?  Between the large tilt angle and the
shape of the
foil piece, I'd certainly not expect any material improvement in the
multi-path department.

Also, are the Venetian blinds seen in the photo made of metal, or plastic
(or wood)?
Is there a screen on the window?  If so, ditto question regarding the


On Fri, Aug 31, 2018 at 11:38 PM Mark Goldberg <marklgoldberg at gmail.com>

> On Fri, Aug 31, 2018 at 12:41 PM, Gerhard Hoffmann <dk4xp at arcor.de> wrote:
> >
> >
> >> So you can test your hold over behavior with aluminum foil (or your
> hand)
> >> over your antenna<grin>
> >>
> >> OMG, I first read "with aluminium foil hat over your head"....
> >
> Now, foil under the antenna on the other hand, big improvement!
> Regards,
> Mark
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