Re: [Elecraft] K3 Firmware V3.99

2010-05-31 Thread John, KD8K
I have the same thing occurring here with 3.99. When working split, as 
soon as I transmit, sub RX reception quits. (just a slight noise in 
background on the sub rx, like a receiver that has no antenna 
connected). This was on CW. Both the sub and the main receiver was set 
to the same mode (CW). It occurs with QRQ on or off. This was on 20m. 
500hz filters selected on both receivers. So far, it occurs every time. 
Turning off and on the sub receiver re enables reception on the sub rx.

By the way, I really like the new QSK+ mode. It may be the best QSK I 
have heard on any rig. Thanks!

73, John KD8K

> I'm unable to replicate this glitch with v3.99 on my K3.  If anybody else
> notices something similar, please post to the list with particulars on
> configuration.
>
> 73,
> Barry N1EU
>   

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Re: [Elecraft] K3: QRQ high-speed QSK

2010-05-15 Thread John, KD8K
I am not sure if this has been mentioned yet, but another setting that 
may have an affect on this is switching between "New" QSK and "OLD" QSK 
by tapping 3 under the CW WGHT Menu Item. I think that the default is 
"New". I believe "Old" is supposed to provide better QSK performance 
while "New" reduces keying artifacts.

73,

John

Toby Pennington wrote:
> A friend of mine and I experiminted to see if the K3 could hear a bk during a 
> transmission at high speeds
>
> He was using the K3 with a pre BETA version,  and I was on a Icom 7700.   He 
> would send a macro at a high speed,  and I would try to break him using two 
> letters (ie).  Almost always he could hear my first break attempt.  We went 
> up to 75 wpm and he could still hear my bk. 
>
> So, we are wondering about what is going on concerning this thread.  Now,  it 
> is possible my friend is hearing between words,  but the bk could be heard 
> almost 100%. 
>
> My friend says the delay should be set to double zero on the K3 for it to 
> work
>
> Toby  W4CAK
>
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Re: [Elecraft] OT Local QRN what is it?

2010-01-16 Thread John, KD8K
Here is a web site that might be of help to you in identifying this. It 
is the RF noise identification web site.

http://www.arrl.org/tis/info/HTML/rfi-noise/appliances.html

To me it sounds a lot like the "treadmill" noise clip.

Hope this is of help.

73, John KD8K


Bill Hammond wrote:
> I have been chasing this noise in my urban neighborhood for several years 
> now.  It usually visits during the daylight hours and stays for several 
> hours. It has a rhythm and is across all frequencies and bands.  I have 
> pulled the big switch in my house and the noise is still with me (listening 
> on battery powered rigs).  Neighbors on all sides of my city sized lot  have 
> swimming pools and my first suspicion is noise generated by circulation 
> pumps. 
>
> Here are two  recordings (on a K3 of coarse).  Why not ask the most 
> discriminating radio fans in the world their opinions on the source? 
>
> http://www.flickr.com/photos/ak5x/4279625626/in/photostream/
>
>
> http://www.flickr.com/photos/ak5x/4279577818/in/photostream/
>
>
> Bill Hammond-AK5X
> wham...@aol.com
> a...@mac.com
> a...@sbcglobal.net
> K3 #69
> K2/100 #4637
> K1 #2033
> KX1 #1023
> T1
>
>
>
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