Hi folks, 

Newbie HF Dave here again with an end fed antenna design question.

I have an EARCH (Emergency Amateur Radio Club, Hawaii) end fed 6-40 meter 
multiband HF antenna. Part of the design is the 9:1 UNUN (unbalanced to 
unbalanced) toroid matching transformer. I have replaced the 30' wire with 66.5 
feet of 18AWG Wireman silky 532. My end fed is in a horizontal (slight slope) 
orientation, east-west. The antenna is about 50' above the ground (I have a 3 
story house and pine trees close by).

I do not have an external antenna analyzer, yet.

Using the ATU in my KX-3, I have the UNTUNED SRW values below. With the KX-3 
ATU, the KX-3 DOES tune all of these bands with no problem.

Question: Should I do anything to improve QRP performance, shorten/lengthen the 
wire, or should I just go with the flow, hang loose and not worry and just 
enjoy my rig?

REMEMBER, newbie Dave, be gentle. I've been tracking the long wire discussions 
on the list, there is lots of fervor.

[My key = frequency/SWR]

80m
3.50/2.0
3.752.9
4.0/3.7

40m
7.0/6.9
7.15/6.9
7.3/6.9

20m
14.070/2.9
14.2/2.8
14.35/2.7

15m
21.0/2.8
21.45/3.0

10m 
28.0/2.2
29.0/1.8
29.7/2.5

6m
50.0/3.0
52.0/2.3
54.0/3.7

Thanks in advance,
Dave

More static, more of the time …

Dave Esquer, K6WDE
dave.esq...@gmail.com
http://www.daveesquer.com


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