I have a KX3 with the KXPA100 amp (with internal tuner), and I also hear
a strong S6 to S7 carrier on 28004.3 KHz. The signal disappears when I
set the KX3 "PA MODE" to OFF.
73, AL - VE3RRD
On 12/11/2016 6:23 PM, Mike Harris wrote:
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
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