K9YC's bucket test?
We gotta know ...
w5sxd
On Jul 22, 2010, at 3:02 PM, dan edwards <[email protected]> wrote:
sure wish there was a cheap and easy way to clean those buggers up..
besides K9YC's 'bucket test'.......
73, w5xz, dan
--- On Thu, 7/22/10, richard allen <[email protected]> wrote:
From: richard allen <[email protected]>
Subject: [FlexEdge] noise source found and killed
To: "Graham Haddock" <[email protected]>
Cc: [email protected], [email protected]
Date: Thursday, July 22, 2010, 6:55 PM
Before:
http://www.rcallen.com/noise14.gif
'Twas a little switcher that was powering my Oak Hills Research QRP
Wattmeter giving it a convienient path to my attached 1500. It was
s9+20 at 14.015 on my handheld Kenwood thf6.
See the little bugger at:
http://www.rcallen.com/offender.gif
Thanks for all the ideas and now the bottom end of 20m is useable.
http://www.rcallen.com/after.gif
Great radio, Graham.
Regards,
Richard W5SXD
Graham Haddock <[email protected]> wrote:
(07/22/2010 11:07)
>Richard:
>
>That looks like the signature of a switching powersupply. Are you
using a
>"wallwart" or other switching supply
>to power your 1500? I would start by changing power supplies.
>
>Cheap switching supplies are notorious for emitting this kind of
garbage.
>
>--- Graham / KE9H
>
>==
>
>On Thu, Jul 22, 2010 at 10:53 AM, richard allen <[email protected]>
wrote:
>
>> Does anyone recognise this type of noise?
>>
>> http://www.rcallen.com/noise14.gif
>>
>> I figured I'd ask before starting to unplug everything as I have
all sorts
>> of possibilities in my lab. I still hear it with a dummy load on
the
>> antenna of my 1500 but not as strong.
>>
>> Richard W5SXD
>>
>>
>>
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It is used
>> for posting topics related to SDR software development and
experimentalist
>> who are using beta versions of the software.
>>
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is used for posting topics related to SDR software development and
experimentalist who are using beta versions of the software.
_______________________________________________
Flexedge mailing list
[email protected]
http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz
This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for
posting topics related to SDR software development and experimentalist who are
using beta versions of the software.
