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Re: [RFI] A note from Sangean about switching power supplies

To: Howard Lester <howard220@gmail.com>, rfi@contesting.com
Subject: Re: [RFI] A note from Sangean about switching power supplies
From: WD8ARZ <wd8arz@ix.netcom.com>
Date: Sat, 7 Jan 2017 09:21:52 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Thanks for sharing that info Howard. I would have thought it was all about money. I use transformer power supplies for the most part .... phones seem to be the biggest exception .... but some times I use a cigarette lighter cord to power the phone off those portable batteries that have one or two ciggerate lighter type sockets on them .... and some times with an air compressor and light. Also run ham gear off that battery too.
https://www.amazon.com/Schumacher-XP2260-Instant-Portable-Starter/dp/B004EIAADG


73 from Bill - WD8ARZ in TN

On 1/7/2017 9:03 AM, Howard Lester wrote:
I’m looking through the online operating manual for a Sangean AM/FM radio I’m interested in buying, 
and I came across this little note in the Cautions section. I didn’t know about the 
“background” cited, and I do find Sangean very responsible to print this.

Howard N7SO

VERY IMPORTANT PLEASE READ

Sangean suggests that you keep your AC Adapter at least 12 inches away from the 
radio while listening to the AM Band.
Your Sangean Radio is powered by an AC adapter which is a “switching” or 
“switch-mode” type. The DOE (Department Of Energy) has a Federal mandate requiring all 
manufacturers to use this type of power supply. This newer power saving technology has the unfortunate side 
effect of causing interference to the AM radio band.
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