[hpsdr] Pennywhistle VK6BMT

[David McQuate]

Based on my own experience--and my memory is a bit fuzzy about the 
matter, I think the problem is that something is making Ozy stop 
communicating over the USB.  That's why you have to switch off the powr 
to the HPSDR hardware--you are resetting Ozy.

My hypothesis is that if the microphone data from the PC to Ozy (and 
Penny) is too high, or reaches a critical value, Ozy freezes.  Try 
reducing the mic gain, or whistle a little more softly--or speak instead 
of whistle.

Dave
wa8ywq

Merv Thomas wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi,
> Have just again got my complete HPSDR station connected and to test 
> P/Whistle I hooked it's output into my VSWR/Power Meter and a 50 ohm 
> non-inductive load.
>
> When I press to talk everything is OK(current draw goes up 1.2 amps - 
> this being the effect of bias being shorted to ground by PowerSDR 
> control) until I whistle - the power meter shows 10w output but then 
> everything stays at that power - that is the power does not fall back 
> to zero when there is no microphone input(testing on 20m USB).  
> Additionally it locks up PowerSDR and the only way to cure it is to 
> switch off the DC power to HPSDR and restart it again.
>
> Could it be RF getting back into one or more of the boards?
>
> Any ideas/suggestions please.
>
> Merv  VK6BMT
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