[NLRS] my wierd noise - part 3

Mike A. King - KM0T Mike A. King - KM0T" <[email protected]
Mon, 25 Feb 2002 08:26:15 -0600


Hey, its an alternative weak signal source, cooks rice too!

Someone better call DEMI and tell them there is another vendor out there for
the WSS, maybe they will lower their price.

Could not resisit...

73

Mike - KM0T


----- Original Message -----
From: "Bryan LaPlante" <[email protected]>
To: "Nlrs posting (E-mail)" <[email protected]>
Sent: Sunday, February 24, 2002 9:30 PM
Subject: [NLRS] my wierd noise - part 3


> Well,
> the in-house noise turned out to *mostly* be an HP DDS external tape drive
> in an HP case.  Apparently a very loud switching power supply.
>
> *HOWEVER*
>
> this still isn't the periodic pulse problem!  In fact with every computer
> (and network) off in the house, the pulse is still there (on FM mode see
an
> S-meter pulse every 2 to 10 seconds - time varies slowly).
>
> Even more interesting - with the antenna disconnected from the rig - it's
> still there!  (although less S-meter deflection).
>
> Taking the rig out to another power supply (on a different branch
circuit),
> the pulses are gone (but then that is also an unheated room).
>
> So - current theories :
> - temp sensitive rig with some wierd internal problem
> - power supply
> - branch circuit noise that the power supply is connected to
>
> The search goes on....
>
> Bryan kb0obt
>
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