Hi,
The S3 signal is probably from within the K3. As previously mentioned I
have this signal which in my case is 28004.676. Note: I do not have a
KAT500.
Out of curiosity I changed the K3 REF CAL parameter from the last
calibration setting of 49.379.892 to 49.379.700 a change of 192. The
frequency of the odd signal shifted and was displayed now on 28004.559 a
change of 117Hz. This might give an indication as to why different K3's
present this signal at slightly different frequencies.
I indicated in an earlier post that the signal vanished when PRE 2 was
activated, this was entirely due to it being buried by extra antenna
noise. When I repeated the test with my XG3 which clearly doesn't have a
load of antenna noise the signal still dropped by an indicated 8dBV or
so, if I remember correctly, when switching from PRE 1 to PRE 2. This
still makes me think it is due to a locational change within the box of
the respective pre-amps.
Does this matter, not a bit. At least it is Elecraft related.
Regards,
Mike VP8NO
On 11/12/2016 15:38, Robert G Strickland wrote:
I have an original K3, #6232, with the new synthesizer. I hear the
signal at 28.004.55. It is S5 with the KAT500 turned on in either the
AUTO of MAN mode. In the BYP mode or with the KAT turned off, the signal
is still there but drops to an S3.
Interesting that while "everyone" hears it, not everyone hears it at the
same, exact frequency. Also, no one else has mentioned being able to
hear it, however faintly, with the tuner off or in the BYP mode.
...robert, KE2WY
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