LinkBack Thread Tools Search this Thread Display Modes
Prev Previous Post   Next Post Next
  #7   Report Post  
Old May 4th 07, 12:51 PM posted to rec.radio.cb
external usenet poster
 
First recorded activity by RadioBanter: Sep 2006
Posts: 298
Default Hey Antenna Gurus !

On Thu, 03 May 2007 20:02:52 -0400, Vinnie S.
wrote:

+++
+++
+++By band how much outside teh normal 40 channel band are you expecting
+++to operate?
+++
+++I used a single loop on 6 meters and got about 600KHz bandwidth with
+++good results. A single loop is rather easy to build and rather cheap.
+++There are more pronounced nulls off the quad loop compared to a
+++dipole. Also th efeed impedance is about 100 Ohms so a simple quarter
+++wave section of 75 Ohm cable will be all that is needed to match the
+++antenna.
+++
+++james
+++
+++
+++Just 11 meters. I have a Hustler 5BTV for my ham rig. I just wanted to try it
+++because it looked cool. I am confused about the 75 ohm cable you mention.
+++
+++Vinnie S.

***********

Tomatch an antenna that is around 100 Ohms impedance needs only what
is called a quarter wave matching stub. It is simply an electrical
quarterwave length of 75 Ohm coax from the feedpoint to the 50Ohm
transmission line.

Simple and works well.

james
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules

Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Question about 20-meter monoband vertical (kinda long - antenna gurus welcome) Zommbee Antenna 8 December 28th 06 12:53 AM
Question for You Grounding Gurus Brian Kelly Antenna 20 August 7th 06 01:34 AM
Newbie needing Gurus Software 4 Pro-97(20-527) rjack Scanner 2 June 14th 05 11:05 PM
Any DX160 gurus here? Rob Mills Shortwave 8 June 21st 04 05:40 PM
Question for Radio Wave Gurus/Experts Rare Old Things Equipment 0 March 15th 04 04:25 AM


All times are GMT +1. The time now is 03:04 AM.

Powered by vBulletin® Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Copyright ©2004-2025 RadioBanter.
The comments are property of their posters.
 

About Us

"It's about Radio"

 

Copyright © 2017