David, KC9EHQ wrote:

"Construct a 20 and/or 40 meter 1/2 wave dipole and feed it 
using standard TV
twin-lead as my feedline (found in any hardware/home improvement store)"

Dave
Don't know about the stores down there. However, Twin Lead is very hard to 
find, especially in the populated areas.  TV receivers are heavy into coax 
usage for better of worse.

Think about using mini coax and feed the antenna unbalanced. If you make a fan, 
dual band dipole, it will eliminate the AT and balun.  A purest may want to 
install a few toroids at the center feed point to eliminate RF on the outer 
shield, but for QRP operation, I doubt that would be a problem.

Don't wish to discourage you in buying a BL-2.  They are a handy item to have 
but for this particular application it's not necessary, IMHO.

Carry on

Bill Harris 
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