[RE-wrenches] Inverter AM Interference

Wed Jul 15 08:49:47 PDT 2009

To All,

I also tried changing to a CCrane radio and external antenna with no real
change. The radio was/is the Sangean and it doesn't matter if I use the AC
adapter or battery power. My Bose has no issues with FM but forget AM. Same
deal with the truck when parked next to the twin SW5548. Pull out and then I
can listen to my Ditto Heads with a smile:). David, thanks for the tip on
the internet radio.

Chris Schaefer

Solar and Wind FX Inc.

5115 South Hill Road

Canandaigua(Bristol Center) New York 14424

585.229.2083

Cell 748.1870

chris at solarandwindfx.com

http://www.solarandwindfx.com/

Where Knowledge Equals Power Independence

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From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of David G Katz
Sent: 15 July, 2009 11:11
To: RE-wrenches
Subject: Re: [RE-wrenches] Inverter AM Interference

I have always had problems with AM radio in my remote home.  I have more
problems when it is connected to AC or DC for power.  Try running it on
batteries.  I switched to a CCrane internet radio and now I get 1000s of
stations very clear, but you need broadband internet.
David

David Katz

President

AEE Solar

1155 Redway Drive

P.O. Box 339

Redway, CA  95560

Tel (707) 825-1200

Fax (707) 825-1202

david at aeesolar.com

www.aeesolar.com

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SOLARPRO at aol.com wrote: 

Hello:

Has anybody got a fix or a way to filter out inverter generated AM ( 520-700
kHz MW)  noise?  I guess it's never been a problem in the past because our
customers must not have been fans of AM radio.  Plus, I always approved of
the fact that it wiped out reception for ditto-heads.

We called SMA and they are in a state of denial.  Our customer is not very
ambulatory, sits in the same spot most of the day and just loves talk radio.
The inverter is more than 30 feet away from the radio.

Other than relocating the inverter (grid-tie, no battery) is there anything
we can do? 

Patrick Redgate

Ameco Solar

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