[ICOM] Icom 706MKIIG vs Yaesu FT450

[Paul Manuel]

--- John Geiger <aa5jg at yahoo.com> wrote:
> But that will lead to a noisy receiver.  That kind of
> sensitivity isn't useful on the HF bands, where the
> atmospheric noise floor is above that, and so is the
> man made noise floor.  Most sensitive doesn't always
> mean better.  Selectivity plays a big part in receiver
> performance, as does the front end and blocking and
> IMD dynamic range.  The amount of noise one hears is
> also dependent on how many IMD products the receiver
> is generating in a crowded band.  
> 
> I think QST measured the 706MKIIG noise floor with the
> preamp off around -138DBm, which really isn't useful
> in real life conditions because the typical noise
> floor most of us have when an antenna is connected is
> around -120DBm or so.  The rest of the sensitivity
> just comes thru as noise.

John, you're right, and I'm pretty sure the 450 bested the 706MKIIG by a
wide margin in dynamic range. I have only dial-up here at home and can't
check the ARRL reviews, but that's my recollection. Perhaps someone can
post the numbers.

The 706 series are great radios but there are compromises.

73, Paul K4PDM