Re: KX3 with BL2 Question
Posted by
Ignacy on
Oct 04, 2017; 8:38pm
URL: http://elecraft.85.s1.nabble.com/KX3-with-BL2-Question-tp7634878p7634895.html
As mentioned before, the best option is ladderline attached directly to BL2
on KX3.
I am using KX3 with BL1 set to 4:1 using random wires. I also use a direct
BNC-banana plug connection.
With the direct connection, match is obtained on many some but not all
bands, and often only after second pressing of the ATU button. On some
bands, touching KX3 causes SWR to rise. So impedances may be too complex for
KXAT3 to match, a match may include very high losses in KXAT3, and KX3 is
part of the antenna.
With BL1, the match is always achieved, with antenna or without. No changing
of SWR with touching. So BL1 insulates KX3 from the antenna and 1) reduces
impedances to levels more easily matched by KXAT3 and 2) introduces own
losses. I prefer BL1 because its better to heat the balun than the tuner.
Ignacy, NO9E
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