--- Mark Toussaint <n1mt@yahoo.com> wrote:
> Back about 1 year ago, while reading a similar
> thread
> on the quiet receive of the Omni C (no phase noise,
> single conversion, etc..), I decided to pick one up
> and interface it with my Down East Microwave
> transverters for 50 & 144 Mhz. Let me tell you, what
> a
> nice combination. Over the past year, I've had that
> set-up next to other 50 & 144 mhz rigs (ic-756 &
> 746,
> ft-736, ft-625rd & 225rd, ic-271, tr-6) and none
> have
> even come close on weak signal receive. For those of
> you who have interest in doing weak signal work on
> VHF, give this set-up a try.
I went through a similar experience, I started
building my VHF SSB/CW station with an Icom IC-290H
back in 1983. Used that radio for years. I then
upgraded to a pair of IC-820H's to cover 144 & 432 and
a IC-706 on 50 Mhz. I then wanted to add 222 Mhz, so I
bought a DEMI transverter and interfaced it with the
580 Delta that I had. First time out in a VHF contest
with that combo I was completely blown away by how the
signals would "stand out" from the near noiseless
background. I then immediately set out to equip my
station with DEMI transverters for the other 3 bands.
And at about that same time I added a Pegasus to the
shack, it too has a very quiet RX, especially its
RF/IF chain. The 580 and Corsairs that I have also
used as transverter IF radios do have quieter LO's
though. However the Corsairs are not as quiet in the
RF/IF and audio chain as the Pegasus is. Additionally
the Pegasus radios are also much easier for me to use
for maneuvering around the bands very quickly. They
also give me a way to have a continuous situational
awareness of where all the signals are by virtue of
the spectrum sweep. So a spectrum sweep of some kind
is something that I can no longer live without,
especially so on the 50 & 144 Mhz bands.
Bottom line for me is that the all bands, with all
modes, in one box radios have no place here in my
shack.
Duane
N9DG
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