Thanks for the input, Gerry. The 18-turn choke described below would be
a good starting point for RFI on the AM broadcast band.
73, Jim K9YC
On Tue,6/7/2016 2:46 PM, Gerry leary wrote:
I found an off a lot of interference on the a.m. band from other radios. So for
example my roommate who lives downstairs, couldn't use much of his a.m. radio
receiving abilities when I use that charger..
Sent from my iPhone this time
>On Jun 6, 2016, at 6:27 AM, thelastdb<[email protected]> wrote:
>
>I have not experienced any RFI from my 4A Genasun MPPT controller.
>Myron WVØHPrinted on Recycled Data -------- Original message --------From: Jim
Brown<[email protected]> Date: 6/6/2016 4:20 AM (GMT-07:00)
To:[email protected] Subject: Re: [Elecraft] Field Day
>>On Sun,6/5/2016 7:50 PM, Howard Hoyt wrote:
>>Has anyone on this list used one of the Bioenno MPPT chargers, and are
>>they RF quiet?
>
>Pretty quiet, but not totally so. The answer depends on proximity of
>antennas and operating frequency. I just tested the 4A charger they
>supplied for my 20Ah battery and heard a very low level buzz on the 160M
>antenna 25 ft from my shack. A choke with 18 turns on a single #31
>2.4-in diameter toroid killed it.
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