Welcome to my Ham Radio Station:


 

From Sunny North Lincolnshire uk

 

 

 

lat 53.596 Long -0.725 Grid IO93po WAB SE81: Operator Martin.

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Building a G5RV antenna My Early Projects   A Simple lightening arrester   

For Beginners

Basic Antenna Tuner Project  Getting Computerized  CI-V Interface Controller Receiver Workshop
Slim Jim Antenna Project A VOX PTT Circuit 6 Meter Centre Fed Dipole Transmitter Workshop
Taking the RAE
      

 More Projects

Centre fed dipole for 6 meters

Here is a simple design for a 6 meter centre fed dipole antenna, I am using this dipole myself and find it very it uses a 4 to 1 balun made up of 5 turns of the coaxial feeder RG58 round a 2.5 inch diameter former, and a 4ft length of ladder feed, the ladder feeder is just a continuation of the top section of the dipole brought vertically down from the center insulator and spaced 4 inches apart.

The spacers can be any waterproof durable product,  plastic is ideal, below is a diagram of the antenna.

The top section of the dipole is made up of two sections, for these I used 18swg copper wire, which works very well, tuning the antenna was done by starting with 15ft for each leg and trimming back until an swr of less than 1.5 to 1 is achieved on the frequency you want to use, although I found tuning the antenna for the center of the band gave a less than 1.5 to 1 swr reading right across the 6 Mtr Band

 

Have fun building this project.

Martin G8NQN

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