Re: [IRCA] off grid noise

[Russ Edmunds <wb2bjh@xxxxxxx>]

That's the way I've done it although this time I didn't need to go to the breaker box. I was easily able to DF the noise with one of my Sony 2010's on batteries.




Russ Edmunds

WB2BJH

Blue Bell, PA

Grid FN20id

________________________________
From: IRCA <irca-bounces@xxxxxxxxxxxxxxxx> on behalf of Mark Durenberger <Mark4@xxxxxxxxxxxxxxx>
Sent: Monday, January 30, 2017 4:11:19 PM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] off grid noise

I'm still a fan of taking a battery portable to the fuse box ("load center")
and switching off legs one at a time while listening for noise changes.

That drill led me to a DTV converter/set-top box that turned out to be
reradiating noise back up the coax to the TV antenna.

...not to mention almost all wall-warts, computer routers, lights and
dimmers...




Regards,

Mark Durenberger



-----Original Message-----
From: Neil Kazaross
Sent: Monday, January 30, 2017 2:33 PM
To: Mailing list for the International Radio Club of America
Subject: Re: [IRCA] off grid noise

Interesting discussion guys. Too much noise comes from this supposed high
tech home of mine. There's probably lots I can do.  73 KAZ

On Mon, Jan 30, 2017 at 1:04 PM, Guy Atkins <dx@xxxxxxxxxxxxx> wrote:

> I'm thankful to Chuck for mentioning the Monster Power inverter that he
> found so low in RFI noise. My search for a low noise inverter began years
> ago when I was trying to use a Racal RA6790/GM in a DC-only DXpedition
> setting. Even with my so-called "medical grade, low RFI" inverter placed
> inside a metal can 50 feet from the receiver and with RF chokes on I/O
> leads, there was far too much interference. I gave up trying to find a low
> noise AC inverter.
>
> My current FDM-S2 is powered by USB, but there are other times on a
> DXpedition or around the house when a good inverter is handy to have.
>
> Anyway, thanks to Chuck's tip I snagged a new, unopened 300 watt Monster
> Power inverter, model MCPI-300 for my "make an offer" price of $16.00 on
> Ebay. Evidently someone didn't know the value of what they had, as these
> were $130 units before they were discontinued. Or, they were just clearing
> house and didn't care how low a price it might sell for.
>
> Guy Atkins
> Puyallup, WA
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