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Re: [IRCA] The Bad News



Stan,

Although I don't use an Elad, I've had similar problems with my MacBook Pro
and I haven't figured out a good solution either.  I generally don't DX
live long enough for the battery to run out.  When I do an unattended
recording, I turn off demodulation, turn off the FFT/waterfall, and turn
off the screen.  I can get about 7 hours that way.

Brian Rachford - Prescott, AZ
azswdxing@xxxxxxxxx
http://azswdxing.wordpress.com/

On Mon, Jun 13, 2016 at 9:06 AM, Stan Horzepa <stanzepa@xxxxxxxxxxxxx>
wrote:

> I bought an ELAD FDM-S2 SDR receiver and I am using it with my MacBook Pro
> under Windows 10 and Parallels.
>
> I am very happy with my new radio, but there is a problem: interference
> from the MacBook Pro battery charger/power supply. The interference is so
> strong that only the strongest AM stations are above the noise.
>
> The cable between the charger and the computer is the problem because the
> noise disappears completely when I disconnect the cable from the computer
> even though the charger is still powered.
>
> I installed ferrite cable clips on the cable, but that made no difference.
>
> I wrapped the cable 20 times around a toroid ferrite core, but that made
> no difference.
>
> One solution that works is to use the ELAD-MacBook Pro combo without the
> battery charger. This gives me a few hours operating without the
> interference, but sooner or later, the battery will need to be recharged.
>
> Anyone have any other solutions?
>
> 73,
>
> Stan, WA1LOU
>
>
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