[Elecraft] Digital mode power handling for KAT3

David Gilbert ab7echo at gmail.com
Thu Oct 12 00:40:19 EDT 2023


FT8 is definitely full duty cycle for its 13 second transmit period, but 
of course then it is idle for the last two period and idle for the 15 
seconds it is receiving.

Dave   AB7E


On 10/11/2023 8:20 PM, Ken WA8JXM wrote:
> Not just the tuner,  the K3 is not rated for full power on 100% duty cycle
> modes.  Just like it's not rated or 100% key down CW.  But realize that
> many of the modes are half transmit and half listen.
>
> Different digital modes have different duty cycles.
>
>  From the W1HKJ.com website:
> 100% duty cycle: Olivia, MFSK,RTTY
> 80%: BPSK, MT63
> 44%  CW
> 22%:FieldHell
>
> There are more modes on Dave's website, but those are some of the
> major ones.  IDK if Joe Taylor has similar information on his website for
> the modes he supports.   It loioks like his modes may require full duty
> cycle.
>
> Ken



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