[Elecraft] K2 #2555 on air! couple of questions...

[Andreas Hofmann]

First of all, what a fun experience to build the K2!  After phase 2 was
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and the first signals on 40m were received, I could not help but stay up
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nights until 4am to get the other bands done too!  I did not encounter a


single glitch/problem!!! (basic kit only, no options installed yet)=20

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After listening into most ham bands for 2 days I have to say everything
is working great.  With a 40 ft. wire (not dipole really, 10 ft. high)
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backyard, I was able to hear LU, VK, ZL, YU and ES ranging between 519
to 549.  I am impressed how little background noise is there, esp. on
the low HF bands.  Using the PRE on 40 m is a somehow new thing for me.
I do not have used the transmitter because I do not=20

have a "real" antenna yet.

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I got a couple of questions; I was not able to figure out the answers
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the manual or website.=20

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1. CW Audio signal quality and volume:

CW audio quality sounds somehow strange.  My ears start hurting after a
while (sounds like the K2 was put in a bucket or under water, esp. in
the narrower filter settings).  Any ideas what that could be? Can this
be fixed by installing K2SB?

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2. Audio volume sometimes not loud enough

Esp. on the higher HF bands, sometimes I got to put the volume all the
way up.  Also, turning it all the way down, does not fully mute the
sound.  I believe there is a mod for that, correct?

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3. Alignment in transceive vs. receive mode

The band-pass filters are shared between transceive and receive.  Does
it matter whether I align those using the transmitter alignment steps or
the receiver alignment steps?  I was thinking of using a signal
generator in conjunction with Spectrogram; it sounds like I would be
able to align the band-passes during receive more accurately, right?

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4. frequency display off

Turning into the HF band beacons, I realize that K2's qrg is about a 60
Hz to high, i.e. 14,100.60.  Is this because of the sidetone, or is my
K2 not aligned correctly?

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Thanks in advance.

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73 from Andreas

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DL6UST/W7



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