[GA ARES] Katrina - Missed Signals

[John Kraus KC4ZGQ]

At 08:57 AM 2/18/2006, John Kraus KC4ZGQ wrote:
>At 09:27 PM 2/17/2006, Tom Rauch wrote:
>
>
>>My first reaction was to wonder who would have time to type
>>all those pages in an emergency, when what is generally
>>needed first and fast is voice-to-voice communications.
>You need to low precision high priority from high precision traffic.
>Voice is inherently low precesion.  While special procedure like ARRL 
>radiograms and the NTS system can overcome this to some extent it slows 
>down drasticaly.
>
>
>>I can read about 100 times faster than I can type, and I can
>>talk much faster than I can type. In an emergency, I'd
>>rather be talking than typing. (Heck, I'd be as fast or
>>faster sending Morse code than typing!)
>
>With the Winlink model the ham is not doing the typing. They are sending 
>documents typed by many other people.  How long did it take you to write 
>this email?  Add about one minute to insert a floppy disk and attach the 
>50 KB EOC status report to GEMA in MS Word format.  Then click send.
>
>>Maybe we need a more reliable but slower speed network, and
>>be able to use some bandwidth for voice? Unless there are a
>>few dozen computer terminals tied into the fast backbone at
>>each end, the speed isn't all that important.
>The entry level is 1200 baud for ham RF with VHF Telpac.  This is cheap 
>and easy right now.  The 660 pages I cited were done on HF Pactor most 
>likely with a combination of II and III.  This tops out at about 2700 
>bits/sec depending on band conditions when using Pactor III.  It is 
>impossible to state and absolute speed since the Pactor Modem continuously 
>adjust their speed to accommodate varying band conditions.  When the band 
>gets bad they slow down but unless the band completely dies they seldom 
>drop the connection according to Steve Waterman K4CJX who runs one of the 
>busiest PMBO's in the winlink system.
>
>Look at this article for a better handle on the way Winlink works.
>
>http://www.conformity.com/0601/0601hams.html
>
>
>>We haven't even established a good voice network. Maybe the
>>systems should be combined, or was that already being
>>planned??
>>
>>73 Tom
>
>Voice and date serve two separate functions. While they may utilize the 
>same equipment and frequencies they serve separate functions.
>
>73 de John F. Kraus II KC4ZGQ
>DIGITAL_COMMS_GA at cox.net
>GA-ARES DEC for Digital Communications



73 de John F. Kraus II KC4ZGQ
DIGITAL_COMMS_GA at cox.net
GA-ARES DEC for Digital Communications
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