[TenTec] Sherwood DR top 10 list [Was: Why is the Jupiter better?]

[Duane Grotophorst]

I've been wondering where the Corsair and Corsair II
fall (@ 2Khz) in that table. It's also a bit curious
that the Atlas 350-XL and KW TS-820 weren't included
in the list below, they have very good DR numbers in
the main table as well. The main table:
 
http://www.sherweng.com/table.html

In that table the "Corsair" comes in at 79 dB @ 3Khz.
I have also often wondered how the Corsair II
compares, it is a significantly different design in
the areas that would impact these DR figures. On the
air I cannot tell any significant difference between
the two though. The main reason I have the Corsairs is
to get the very low phase noise performance. The
Corsair has one one of the best phase noise figures in
that table. Its dBc/Hz phase noise at 5 Khz is some
10-20 dB better than many of the other radios on that
same list are at a 10-20 Khz. Phase noise performance
may not be as big a deal on HF but on VHF+ it really
does matter. So operationally I use the Pegs for ~90%
of the Q's that I make and then use the Corsair RX for
the few Q's where I really do need its better DR and
phase noise performance. I also get an extra RX to
park on a strategic freqency to boot.

Duane
N9DG 


--- Robert & Linda McGraw K4TAX <RMcGraw at Blomand.Net>
wrote:
> Yea, noticed that too.
> 
> The top 10 rigs, in order of 2kHz Dynamic Range
> Data, as per this report on
> receiver performance are:
> 
> 
> Orion (1kHz roofing filter) =  92 dB
> Drake R-4C (600 Hz roofing filter) = 83 dB
> R-390A =  79 dB
> IC-7800 = 78 dB
> Omni V = 76 dB
> IC-775 = 76 dB
> Omni VI+ = 75 dB
> IC-781 = 75 dB
> Omni B = 74 dB
> IC-765 = 73 dB
> 
> 
> 73
> Bob, K4TAX
> 



		
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