RE: [Elecraft] K2 Noise Blanker Modifications

2004-11-17 Thread Sverre Holm
It works now, so I think it is just the usual qsl.net problems. This is why
I have mirrored my mods list on qslnet.de .
 
Try  http://www.qslnet.de/la3za/K2/mod.html
http://www.qslnet.de/la3za/K2/mod.html under General mods and KNB2.
 
 
73

Sverre
LA3ZA
http://www.qsl.net/la3za/
  


  _  

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: 17. november 2004 02:21
To: [EMAIL PROTECTED]; elecraft@mailman.qth.net
Subject: Re: [Elecraft] K2 Noise Blanker Modifications



Hi Sverre,
 
The link to VE3MCF for the mod to increase KNB2 time constant does not seem
to work anymore. Any other source of the mod details for suggested values
for C11/C12?
 
Regards,
Bob, G3VVT

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RE: [Elecraft] K2 Noise Blanker Modifications

2004-11-16 Thread Sverre Holm

Did you get a reply to your question? 

In case you did not, there were some noise blanker mods for pulse widths a
long time ago. They can also be found on the K2 Mods list, see
http://www.qslnet.de/la3za/K2/mod.html under General mods and KNB2.

73

Sverre
LA3ZA
http://www.qsl.net/la3za/
 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ralph McClintock
Sent: 9. november 2004 11:56
To: elecraft@mailman.qth.net
Subject: [Elecraft] K2 Noise Blanker Modifications

Hello,
 Does anyone have any ideas about level and pulse width modifications for
the K2 Noise Blanker. My problem is neighbors electric fences and corrals.
They were built with aluminum, copper and steel wire intermixed and have
over 300 twisted connections. I have replaced the old solenoid type pulser
with a solid state unit. The pulsing is not even touched by the KNB2 in any
configuration eventhough they are about 40db over 9. I can tell the NB2/LWR
position is working but does not do anywhere near what is required. On
160-40 my primary bands of interest it's really bad. 
Tnx  73's,
Ralph   W1ZK Vermont
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Re: [Elecraft] K2 Noise Blanker Modifications

2004-11-16 Thread G3VVT
Hi Sverre,
 
The link to VE3MCF for the mod to increase KNB2 time  constant does not seem 
to work anymore. Any other source of the mod  details for suggested values for 
C11/C12?
 
Regards,
Bob, G3VVT
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[Elecraft] K2 Noise Blanker Modifications

2004-11-09 Thread Ralph McClintock
Hello,
 Does anyone have any ideas about level and pulse width modifications for the 
K2 Noise Blanker. My problem is neighbors electric fences and corrals. They 
were built with aluminum, copper and steel wire intermixed and have over 300 
twisted connections. I have replaced the old solenoid type pulser with a solid 
state unit. The pulsing is not even touched by the KNB2 in any configuration 
eventhough they are about 40db over 9. I can tell the NB2/LWR position is 
working but does not do anywhere near what is required. On 160-40 my primary 
bands of interest it's really bad. 
Tnx  73's,
Ralph   W1ZK Vermont
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