Jim,
The guidance is simple. Normally you can run any Icom at 100% nominal output
power and any Yaesu at 50% output power on RTTY. That's it...
I used to have an IC-756 and sometimes used it for Low Power work. In 2002 I
made No.8 SO 20 m in the WPX RTTY working low power. As you know, in this
contest there are no power proups for Single Band operation. It means, I had
to compete to high power people. To do that obviously I had to stay on air
all the time the band was open (it was at least some 35 hrs) and I had to
transmit a lot... With full 100Watts. Well, I did hear fans, but that's it.
And certainly there is a difference between 40 and 100 Watts...
Good luck and 73,
Vladimir EU1SA
> I am running an FT1000MP Mk5 at 40w output during rtty contests and the
fan
> runs almost constantly and it gets hot. My understanding of the MP manual
is
> that I can run it at 100w out for long periods but I am not too keen to do
> his! The second radio, IC7400 runs much cooler at 40w.
> I see from lots of posts that operators are running 100w output from
> standard rigs with great success and no damage, some guidance on this
would
> be appreciated!
> Thanks
> Jim MM0BQI
>
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