[Antennas] Simple Dipole Question

2002年10月24日 15:40:52 -0500

> Today, with nothing better to do, I stuck up a dipole cut for 20m (14.2
MHz)
> using 468/frequency. It's strung between two trees at about 50 feet in the
> air. I fed it with ladder line (450 ohm) to the house (about 100 feet) to
a
> 1:1 balun and some RG-8X (about 20 feet) into the 2nd floor shack. The
> initial swr reading is infinite across the band, no dip anywhere, not even
a
> little. I suppose since I'm using ladder line, or window line, I need to
cut
> things different. Any thoughts?

Kelly, you need a better ratio as to matching transformer between
the coax and the ladder line ... not a 1:1, more like a 9:1 ... that's
the first thing to consider there perhaps ... and you'll still probably
need an external (to the rig) tuner.
73 Billy AA4NU