[Orion] V2.059d Vs. v1.373b5 Noise Reduction Code + My experiences with 1.373b5

[Joe Giacobello]

Ken, I completely missed it.  I must have spent 15 minutes looking for 
that phrase and not found it.  Thanks.

73, Joe

Ken Cressman wrote:
> Joe , Lt column pg 46 last sentence and 1st paragraph Rt column pg 46 feb 
> 2005 Orion 565 manual  revision 3 , bandpass filter quote. About 1375b5 much 
> superior for weak signal ssb 75 meters, 2059d unuseable with or without agc 
> unless signals near or above noise level.. I generally use 5 db/s decay, 
> threshold .4 uv hang 0 , 2.4 filter ,rx eq -10 (varies with station) plenty 
> of volume no distortion . Sometimes i use NB 2 or 3 H , sometimes not..RF 
> Gain varies from 100 to as low as 50 depending on signal noise etc.  The 
> 2059d distorts badly with signals near noise level or below, signals above 
> noise are readable but volume is very low even with main af at max.  On 
> 1375b rarely does the main af go above half scale on headphones. Another 
> thing to try is an outboard audio adaptive dsp unit, it really helps at 
> times. Hopefully 2059d will be fixed soon 73 ken kb7up 
>
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