[TangerineSDR] TangerineSDR Digest, Vol 26, Issue 13

[David Witten]

Bill,

Good Info!

Dave Witten

On Tue, 25 May 2021 at 11:02, <tangerinesdr-request at lists.tapr.org> wrote:

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>    1. Testing magnetometer with nearby RF (Bill Engelke)
>
>
>
> ---------- Forwarded message ----------
> From: Bill Engelke <bill.engelke at ua.edu>
> To: TAPR TangerineSDR Modular Software Defined Radio <
> tangerinesdr at lists.tapr.org>
> Cc:
> Bcc:
> Date: Tue, 25 May 2021 16:01:10 +0000
> Subject: [TangerineSDR] Testing magnetometer with nearby RF
>
> 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:
>
>
>
>
>
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