[FADCA] Fort Pierce-Vero FPAC Link

[Welcker]

Hi Chuck...

If you could find issue of the Digital Conference or post the article 
I'd love to read it.

Thanks
Doug

wchast@utilpart.com wrote:

>Bill Sinbine wrote:
>  
>
>>Hi All
>>
>>Just a quick note to let everyone know that the Fort Pierce to Vero
>>FPAC 
>>link is now working. This will fill the gap from the loss of the
>>Stuart switch. I haven't really had time to see what the quality of
>>the link is 
>>but forwarding with w4rp in Melbourne it working with no real
>>problems. It looks like we might be able to bump it up to 9k6 without
>>too many problems. 
>>I still have some antenna problems to sort out but for now the link
>>is working. 
>>    
>>
>
>Bill this is good news. With regards to the 1k2, vs 9k6, 9k6 actually
>needs less signal level (providing the radios are in good condx and
>distortion is low) than 1k2. The reason is that 1k2 is AFSK whereas
>9k6 is FSK, I will not go into all of the stuff behind it, there was
>in one of the Digital Conference proceedings a very good publication
>about this.
>
>AFSK at 1k2 is easy to deal with because it will go through the mic
>input and out the speaker of most radios and will work find.
>
>The issue with 9k6 is handling mostly the low end (22.5 Hz componet)
>of the power spectrum of 9k6. Were it not for that we would all be
>running 9k6 probably years ago. 
>
>
>
>Chuck Hast
>-------------------------------------------------------------------------
>To paraphrase my flight instructor;
>"the only dumb question is the one you DID NOT ask resulting in my going
>out and having to identify your bits and pieces in the midst of torn
>and twisted metal."
>
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