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[TenTec] Fw: Orion

To: <tentec@contesting.com>
Subject: [TenTec] Fw: Orion
From: dufferjames@hotmail.com (James Duffer)
Date: Fri Apr 4 09:21:29 2003
Please explain the difference between "true Frequency Shift Keying and the 
pseudo FSK as generated by the Orion (and others).  It seems to me that if 
in truly carrier suppressed SSB signal that is moulated by a pair of 
sinusoid audio tones the ouput would appear to alternate in frequency by the 
frequency difference of the two audio tones.

What does the receiver get that is different from true FSK and the other 


>From: John L Merrill <jmerrill1@adelphia.net>
>Reply-To: tentec@contesting.com
>To: tentec@contesting.com
>Subject: [TenTec] Fw: Orion
To: <tentec@contesting.com>
>Date: Thu, 03 Apr 2003 23:30:17 -0500
>I'm afraid I'll join Rog on the FSK issue. I'm a rtty purist. I'm 
>disappointed there is no true fsk on the Onion. Seems like Kenwood and ICOM 
>are the only ones that care about fsk. Yaesu does the keyed afsk way. This 
>issue may hold me back from ordering one.
>John N1JM
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