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Why Antenna Tuners Aren't Necessarily Useful for Shortwave Listening - Question Shortwave Listening (SWL) Antenna Tuners - Do You Have An Opinion ?
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March 12th 06, 05:41 PM posted to rec.radio.shortwave
David
Posts: n/a
The Next Step - The Low Noise Inverted "L" {Random Wire} Antenna - Question Shortwave Listening (SWL) Antenna Tuners - Do You Have An Opinion ?
On Sun, 12 Mar 2006 17:26:33 GMT, Bob Miller
wrote:
On Sun, 12 Mar 2006 07:42:11 -0800,
wrote:
On Sun, 12 Mar 2006 15:33:26 GMT, David wrote:
On Sun, 12 Mar 2006 14:26:15 GMT, Bob Miller
wrote:
On 11 Mar 2006 23:12:08 -0800, "RHF"
wrote:
A random length dipole will work as well as any random length "wire."
With or without an antenna tuner. And be easier to feed.
Bob
k5qwg
''Random length dipole'' makes little sense.
aka 'Doublet' where you have two equal lengths of wire that are not
cut to any specific frequency, rather they are cut to fit the maximum
dimension you have available. Doublets are typically fed with
twinlead and a tuner is used.
An alternative would be a non-random length dipole resonant on several
swl bands without the need for an antenna tuner. See...
http://www.universal-radio.com/catalog/sw_ant/3377.html
I used to have the sloper version of the above. Worked great.
bob
k5qwg
http://www.hamuniverse.com/multidipole.html
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