[Antennas] Dipole question

2002年3月22日 09:23:08 -0500

Ok, now that I got the address right, here is my question:
Currently running a dipole cut for 10 meters, up about 30 feet and fed with 
300 ohm twin lead. The antenna is constructed of aluminum. Am using this 
for 10-15-20 meters.
I would like to construct a longer dipole, but I a huge canopy of maple 
trees, so about 20 feet total length is about all I can do. Could I wind 
wire cut for 20 meters helically around PVC or some other insulator. I read 
once in QST about a 20 meter dipole made this way, can't find the QST now. 
I would like to use this for 20, 15 and 10 meters. I would also like to add 
a antenna rotor to get some directivity. Would this help? Any advice or 
suggestions greatly appreciated
TNX ES 73 John KB4UTV
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