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[aprssig] 9600? Faster?

Phillip B. Pacier ad6nh at arrl.net
Thu Jul 7 15:51:00 UTC 2005



Robert Bruninga wrote:

>>>>vk4tec at tech-software.net 07/07/05 3:13 AM >>>
>>>>        
>>>>
>>I did some testing co-located 1200 and 9600
>>9600 does not seem to reach as far as 1200
>>mobile environmet harsh to 9k6 signals
>>    
>>
>
>Same here.  We did extensive tests with 4 different
>radios over 200 feet separation using lab attenuators
>and a very long run of RG58 to eliminate any chance
>of leakage.  The diffrence was 7 dB.  So it takes
>50W at 9600 to equal 10W at 1200 baud.  Or
>about half the range.
>  
>
I have heard you say this before, and we have just not found this to be 
the biblical case here in southern California.  Mobile works fine.  
Distance from station to station is the killer.  Maybe it's the 
soil....maybe it's the earthquakes... it just works here. :)

73
Phil - AD6NH





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