[hpsdr] Pennywhistle Arrived/Penelope/PowerSDR

Phil Harman phil at pharman.org
Fri Dec 4 17:09:31 PST 2009


Hi Merv,

The power output readings on PowerSDR agree with what I see on the 'scope so 
suggest they are OK.

Perhaps an HPSDR to HPSDR QSO some time?

73's Phil...VK6APH



----- Original Message ----- 
From: "Merv Thomas" <vk6bmt at iinet.net.au>
To: <hpsdr at lists.openhpsdr.org>
Sent: Saturday, December 05, 2009 9:02 AM
Subject: [hpsdr] Pennywhistle Arrived/Penelope/PowerSDR


> ***** High Performance Software Defined Radio Discussion List *****
>
> Many thanks to the TAPR team - my kit arrived about 10 days ago and
> yesterday I constructed the kit.  No difficulty and it works a treat.  A
> very well presented  kit for a reasonable price.  I was impressed by the
> very accurate alignment of the PCB and H/Sink.
>
> Incidentally I rotated the incorrectly mounted Penelope output transformer
> by removing it with a heat gun after shielding the surrounding components
> with pieces of sheet steel - then just resoldered it.
>
> Can anyone tell me if the milliwatt readings on PowerSDR are correct when
> transmitting?  Mine show as high as 550 on 160m and reducing to some 250 
> at
> 10m - these are not in agreement with my HP power meter but of course the
> sensor head I have is for microwave use!!
>
> Merv Thomas  VK6BMT
>
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