[TenTec] FSK

Bob McGraw K4TAX rmcgraw at blomand.net
Thu Jul 30 15:20:52 EDT 2020

I too used my Omni VI+ and later my Omni VII in true FSK mode for RTTY 
using an external terminal unit.   Later I gave up all the extra cables 
and hardware and switched to AFSK.  I saw no difference or advantage one 
way or the other.   Agreed, the AFSK configuration does require closer 
attention to levels  but I found 80 to 90 watts output was very adequate 
and a very clean signal. External PA cooling is required in all 
cases.    The advantage using AFSK for RTTY is not having to swap 
connectors and cables when I wanted to work PSK-31 or other audio 
digital modes.


Bob, K4TAX

On 7/30/2020 1:08 PM, Dennis OConnor via TenTec wrote:
> Used my Omni 6 on FSK rtty for many years.Works like gangbusters.I will have to say that much of the older hardware, such as the DOS based PK232, etc. are not easily compatible with modern PC/laptop.Probably a sound card program like FLDIGI running afsk will work best for you.
> denny / k8do
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