[Elecraft] BL2 Balun Heating

[Paul at N4LCD.com]

>>>My doublet ladder line feeds straight into the K3 without external 
>>>tuner. Why use another box?
>>>
>>>David
>>>G3UNA

Because I already had the SGC-230 mounted outside.

And my K3 was ordered with no tuner because I already had the SGC-230.

(The Cobra Ultralite needs a tuner.)

Paul N4LCD



>>> > >Just passing along some information that might be of interest.
>>> > >I have the K3 with the auto tuner built in.  My antenna is a
>>>Cobra Ultralite
>>> > >fed with ladder line. I can switch between a Johnson Matchbox 
>>> and a > >BL2
>>> > >balun/KAT3 to feed the antenna. I previously had adjusted the feedline
>>> > >length so that the Matchbox would find a 1 to 1 match on all bands 80
>>> > >through 10 including 30, 17, and 12 meters. I have received many
>>>good signal
>>> > >reports on all bands with either matching system.
>>> > >
>>> > ><snip>
>>> > >
>>> > >Happy 4th of July.
>>> > >
>>> > >73,
>>> > >
>>> > >John W2XS
>>> >
>>> > I have the same antenna, the Cobra Ultralite with window line, and
>>> > simply connect the two ends of the window line to an SGC-230
>>> > automatic tuner http://www.sgcworld.com/230ProductPage.html which is
>>> > mounted outside.  I have the tune power of the K3 set to 3 Watts.  No
>>> > balun required.  Works great, 80 through 10.
>>> >
>>> > Paul N4LCD