[Elecraft] K4D in strong RF Environment

Dave (NK7Z) dave at nk7z.net
Sun Oct 2 15:56:09 EDT 2022


Hello,

I am considering purchasing a K4D, rather than wait for the K4HD.  My 
issue for waiting is I have a few hams, very close to me, that like to 
run power.  By close I mean 700 or so feet or so, sometimes running a KW 
on FT8.  Another station  maybe half a mile from me, running 500 watts, 
on FT8...

I realize that no rig is going to perform well close to the operating 
frequency of these stations, however, has anyone had any experience with 
a K4D, and a strong station running say FT8, on 20, while the K4D is 
listening on the CW portion of 20?

How about other bands, say 1 KW, close, on 20, how does the K4D handle 
40 in that environment?  How does 15 look, etc...  Are there there any 
issues when in a strong RF environment?

I guess in a more general sense, my question is how does the K4D 
perform, in a very high RF leveled environment, as compared to a K3.

If you have/had a K3, I am wondering if the K4D performs, worse, better, 
or the same in that environment.

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


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