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[aprssig] APRS Bandwidth

Steve Noskowicz noskosteve at yahoo.com
Tue Jun 23 16:55:22 UTC 2009





> Fm = 300 Hz (300 baud data rate)

OOPS!
  At 300 Baud the highest "modulation frequency" (of signal bits) that you can send is only 150 Hz.  This is alternate ones and zeros. 
Start 10101010 Stop

So, If I'm reading Carson correctly...

I get  2 * (100 + 150)  =  500

Looks better...


73, Steve, K9DCI






      



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