[TangerineSDR] Testing magnetometer with nearby RF

Tom McDermott tom.n5eg at gmail.com
Tue May 25 13:48:23 EDT 2021


HI BIll - encouraging news from a susceptibility perspective !

The other concern would be noise radiated by the magnetometer, cabling, and
activity.
Do you have the capability to listen on HF to see if the magnetometer
causes noise when
you make readings?

-- Tom, N5EG

On Tue, May 25, 2021 at 9:02 AM Bill Engelke via TangerineSDR <
tangerinesdr at lists.tapr.org> wrote:

> I have a TAPR magnetometer in the ground (sitting at 24” deep).
>
>
>
> I have tested for RF exposure as follows:
>
>
>
> 80 M dipole, about 20’ away and 15’ elevation,  1500 W on 80M
>
> 30 M vertical, about 60’ away  200W (legal limit) on 30M
>
> 40 M double bazooka about 50’ away and at 30’ elevation, 1500 W on 40M
>
> DX Engineering hexbeam, on 50’ tower, base of which is 70’ away, 1500 W on
> 20M, 17M, 15M, 12M, 10M
>
> 4-element 6 meter beam on 50’ tower which is about 70’ away, 500 W on 6 M
>
>
>
> There was no discernable effect on magnetometer readings from any of these
> tests, which were a carrier for 10 seconds at the noted power level.
>
>
>
> If anyone has ideas for additional tests, please advise; based on the
> above, my impression is that the current magnetometer should produce good
> results when in the yard of typical ham installation.
>
>
>
> -73-  Bill,   AB4EJ
>
>
>
> Magnetometer installation:
>
>
>
>
>
> --
> TangerineSDR mailing list
> TangerineSDR at lists.tapr.org
> http://lists.tapr.org/mailman/listinfo/tangerinesdr_lists.tapr.org
>
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