Jim,
OK - so the claim I'm reading here is Hamlib is 1000% bug-free regarding
Vista-64? I'm very skeptical about that; the most obvious issue and
nothing mentioned thus
far obviates this.
I'm looking into the obvious first. If my rig was so poorly configured;
how in the world did I make a contact with Argentina?
And, I've made a lot of other contacts. Including Virginia, North
Carolina, New York, and North Dakota not to mention Japan. And Arizona,
and California, and
Oregon, and Washington...
Since the thread running WSJT-X can't be killed; I'm looking into that
first; and the cause of that.
The next obvious step for me is to make builds myself and look into the
source code.
73's,
John
AJ6BC
On Wed, Jun 6, 2018 at 12:59 PM, Jim Brown <k...@audiosystemsgroup.com>
wrote:
> On 6/6/2018 12:36 PM, John C. Westmoreland, P.E. wrote:
>
>> That's an interesting hypothesis. Since USB is differential signaling -
>> it has some noise immunity; but I will definitely check into this.
>>
>
> Hum/buzz gets into our systems as a result of failure to implement proper
> bonding between interconnected equipment, combined with improper
> termination of shields within equipment by their designers. Study my
> tutorial on this, which goes through both circuit analysis of the problem
> and details good engineering practice.
>
> http://k9yc.com/GroundingAndAudio.pdf
>
> Or study N0AX's new ARRL book on the topic, which was inspired by my
> tutorial, and to which I made many contributions.
>
> 73, Jim K9YC
>
>
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