[Elecraft] Gurus

[Dave]

Buy an attenuator, and a tinySA, or get an SDRPlay, and run the Spectrum 
Analyzer software.  Take a few SA shots, that will tell you if it is 
him, or you.

73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

On 6/9/21 8:46 AM, Gwen Patton wrote:
> I have one of those legal-limit hams about 2.5 km from my house. Seems a
> nice enough guy, except that he uses 1.5kw for EVERYTHING. When he gets on
> 40m, I hear him on 2 other bands via harmonics. He splatters all over 40 so
> there's no reason for me to even have my rig turned on when he starts
> transmitting. I can't tell if it's a bad radio on his end or just front end
> overload on my end. It's frustrating to try to do a bit of CW and find that
> I can hear him almost as well on 15m as on 40 and 20. I haven't checked
> 10m, but my guess is I'll hear him there, too.
> 
> I talked to him about it, and he basically blamed it on my radio's
> insufficient rejection. It's a KX3. Is he right, or should he check his
> radio for unstable harmonics?
> 
> -=-=-=-=-=-=-=-=-
> 73,
> Gwen, NG3P
> 
> 
> On Wed, Jun 9, 2021 at 4:24 AM Jim Brown <jim at audiosystemsgroup.com> wrote:
> 
>> Exactly right, Vic. A dirty rig, whether generating clicks or phase
>> noise, is putting his trash on YOUR frequency. You are screwed by his
>> choice of a lousy radio. And he doesn't care. I've got a neighbor like
>> that.
>>
>> 73, Jim K9YC
>>
>> On 6/9/2021 12:45 AM, Victor Rosenthal 4X6GP wrote:
>>> I live in a place where there is a ham with a legal limit rig and a big
>>> beam less than 1 km. away. Antennas are line of sight. His signal
>>> renders about 10-20 kHz of the (CW) band unusable, with lesser effects
>>> extending out farther. He does not have clicks; it is phase noise (or
>>> something like that).
>>>
>>> I have experimented with attenuators and they have NO effect on the
>>> apparent width of his signal. Therefore I conclude that the problem is
>>> not in my receiver (K3, not S, upgraded synthesizers).
>>>
>>> I don't know what kind of transceiver he is using, but I think more
>>> attention needs to be paid to transmitter cleanliness, rather than to
>>> continue the race for dynamic range.
>>
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