[Elecraft] P3 Hash

[Rowland R Johnson]

I had the same problem. Replacing the BNC coax cable (between the P3 and 
K3) with one I had lying around fixed it. Howard at Elecraft tech 
support then sent a new cable that arrived 36 hours after I talked to 
him. This new cable from Elecraft worked fine, for a while, but then 
started having the same kinds of problems. I put my old cable that I had 
lying around back on and it's worked for several months now.

I haven't pursued getting a second replacement from Elecraft because it 
hardly seems worthwhile. In addition, it's not 100% clear to me that the 
problem is the cable. With the 2 Elecraft cables I've noticed some 
difficulty in connecting the BNC plug to the BNC receptacle on the back 
of the P3. Not so with my old cable. The supposition being that the 
physical dimensions of BNC receptacle on the P3 aren't quite right. 
Whereas the new cables have a problem fitting, my old cable may be worn 
enough that it fits anyway.


On 8/17/2012 9:00 AM, Gene Trasti wrote:
>> P3 with svga
>>
>> I have a considerable amount of "hash" on my panadapter screen.  It tracks the same spot on all bands.  All my equipment is very well grounded.  I have measured my shack for RFI-it is very clean.  I swapped out my switching power supply for a highly filtered one.  I even purchased a pretty expensive ac terminal strip with isolation transformers.  I have been through the house and have virtually switched off and unplugged everything-nothing seems to help.  This hash takes up a pretty healthy portion of the bandwidth.  Any sugestions would be appreciated.  Is it possible that this could be a problem with the P3 or K3 they are both factory built-although I added the svga board using a wrist ground..
>>
>>
>> Gene. W6jmp
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-- 
Rowland R Johnson
rowland at lascanadas.org

www.lascanadas.org
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