http://elecraft.85.s1.nabble.com/Fw-CQ-WW-DX-Contest-CW-2011-Unofficial-claimed-scores-tp7060148p7061502.html
Yep my RF gain for the high bands is usually about 1 to 2 o'clock at most,
is S3.. I have an idea many will never hear the problem due to their
> For me, the RF gain setting has a dramatic effect on the character of
> received signals. I rarely set it higher than about the two o'clock
> position.
>
> Any idea of the RF gain setting while experiencing this 'mush'?
>
> 73, Dale
> WA8SRA
>
> On 12/4/2011 3:20 PM, Jan Erik Holm wrote:
>
>> This is exactly what I have noticed too. Not even 10 signals
>> are needed either.
>> /SM2EKM
>> -------------------------------------------
>> On 2011-12-04 20:53, Merv Schweigert wrote:
>>
>>>> Also, in the heat of the contest or DX pile up most reporters do not
>>>> recall how they had their AGC parameters set (threshold, slope, AGC
>>>> decay soft/hard, fast or slow, and fast/slow settings etc. If you can
>>>> let us know your complete set up for AGC parameters, if you are using
>>>> headphones or speakers, the signal strengths, CW or SSB, RX b/w, what
>>>> different settings you tried etc., that will be extremely helpful.
>>>>
>>>>
>>> AGC DCY = NOR
>>> AGG HLD = 20
>>> AGC PLS = NOR
>>> AGC SLP = 000
>>> AGC THR = 008
>>> AGC F = 200
>>> AGC S = 020
>>>
>>> Headphones and speaker, no difference
>>> signals S3-S4 range
>>> CW
>>> all bandwidths, use mostly 400hz and narrower.
>>> Tried AGC DCY = SOFT (have PF1 programmed to switch that in and out fast)
>>> ALL settings of SLP and THR
>>> Turning off the AGC improves the "mush".
>>> Loud signals are no problem at all, the K3 handles loud signals better than
>>> any radio.. its when multiple signals of about S-4 are on this occurs,
>>> more
>>> than two or three, a pile up of same strength signals.
>>> I can understand it may difficult to reproduce unless you have a way to
>>> have
>>> 10 signals of the same strength, close to the same freq, and keying, just a
>>> carrier will not reproduce the effect, has to be keyed signals you are
>>> trying
>>> to copy. They turn into a single level buzz of sorts.
>>>
>>> One note - If signals are below S9+20 and turning AGC off does not help,
>>>
>>>> its probably not a DSP AGC or H/W AGC issue.
>>>>
>>>> Also, make sure to use the AGC Limiter menu setting to hard limit audio
>>>> levels if you use AGC OFF.
>>>>
>>>>
>>> Never use NR or NB and have the AGC limiter set for no AGC times.
>>>
>>> In my rough gestimation it seems that signals in the S3-S4 range need to
>>> not trigger
>>> the AGC as they do, if one could set the THR to higher level? perhaps
>>> it would stop the
>>> problem.
>>> Is it possible to increase the range of SLP and THR to move the point
>>> where S-3 or S-4
>>> signals trigger the AGC?
>>> Thanks much Eric. 73 Merv K9FD/KH6
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