I tried to send him a message to: om7zz@stonline.sksk but it bounced...
Chuck W5PR
> > See this posting to the CQ-Contest reflector by OM7ZZ:
> >
> http://lists.contesting.com/_cq-contest/2003-11/msg00103.html
>
> Thanks Jim: pretty cool ...
>
> http://www.microham.com/USB1.jpg
>
> Few thoughts / observations come to mind:
>
> - not sure what kind of power these things draw ...
> but I've seen a number of situations, especially
> with older, first go-round implementation of USB,
> where people plug in a lot of things and exceed
> what the system can handle
>
> - I've used a small, external optionally powered
> USB hub (I think Belkin - will have to get behind
> the system to check it out) ... and it had RFI
> ingress issues
>
> - the aforementioned photo link above ...
> shows a lot of cable between the USB interface
> and the rig jacks ... from experience trying
> to build up an SO2R setup chokes may be
> necessary on many/all of these connections
>
> One last, final thought:
>
> Appears that that nifty device does a number of things:
> CW keying, PTT and rig control (assume freq, etc.).
>
> I hope that those functions can be *independantly* controled ...
> for situations like what we're doing: using the W5XD (or some
> other) box for CW, etc.
>
> 73 Bob W1QA
>
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