[Elecraft] 43' Vertical and the K2 tuner

Ignacy no9e at arrl.net
Mon Mar 16 10:06:13 EDT 2009


I used circa 45ft wire vertical with a few radials and k2 or k3. When
connected directly or via a short run of TV line, the built-in tuner tunes
down to 80 but 160m needs extra inductance. With BL1 balun any frequencies
can be tuned but the balun gets hot. A better choice is to use an external
tuner (without any balun) and connect the radio and the tuner by a balun.
The balun made by wrapping 10 turns of RG174 on a  toroid is excellent and
does not heat at all. 

The performance with a  few radials is excellent at beachside locations
(160m DX!) and poor inland especially if ground mounted and with lots of
obstructions.

Ignacy, NO9E  
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