Amateur Vhf

Amateur Vhf What type of solid copper wire would I need to build a ground plane antenna for VHF & UHF Amateur radio use? I am looking into building an antenna that was featured in the Decembe...


Amateur Vhf
Amateur Vhf
What type of solid copper wire would I need to build a ground plane antenna for VHF & UHF Amateur radio use?

I am looking into building an antenna that was featured in the December 2008issue of CQ. It calls for 10 or 12 gauge solid copper wire. I did a search through Radio Shack and I am coming up with several types of wire.
What type of wire should I be using for this antenna?
Thanks.

I USED 10 GA SOLID COPPER
WITH A BLACK PLASTIC COVER
REMOVING 2 FT FROM ONE END
TO MAKE A TRAP LOOP I RAN 2
EA FROM BOTH ENDS OF MY 50
FT HOME DROPED DOWN 20 FT
AND GROWNED ONE LINE TO A
6 FT COPER GROUNDING ROD
THE OTHER TO MY EICO TRANSMITTER FACING EAST=
WEST AND TALKED TO EVERYONE
IN SO AMERICA AND AROUND THE
GLOBE IN A 300 W HOMEMADE
THIS ANTANA WORKS WONDERS
ON CB AND SCANNER RECEPTION

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Radio waves are easy to generate, can travel long distances and penetrate buildings, so they are widely used for communication, both indoors and outdoors. Radio waves are also omnidirectional, which means that travel in all directions from the source, so that the transmitter and receiver need not be carefully aligned physically.

The properties of radio waves are frequency dependent. At low frequencies, radio waves are able to pass through obstacles, but the power falls off sharply if the distance from the source increases: in the air, the power falls roughly by the cube of the distance. At high frequencies, waves radio tend to travel in straight lines and bounce off obstacles. They are also absorbed by the rain. In all frequencies, radio waves are subject to interference engine and other electrical equipment.

In the VLF, LF and MF bands, radio waves follow the ground and can be detected by 1000 km in the lower frequencies, less on the higher. Source: IPA.

In the HF and VHF bands, waves of land tend to be absorbed by the earth. However, the waves that reach the ionosphere are refracted for her and sent back to earth. Under certain atmospheric conditions, the signal can bounce several times. Amateur radio operators can use these bands to discuss long distances. The military also announced the HF and VHF bands.

Rigid circuit board PCB (printed rigid) used in radio frequency applications (antennas) have to match the specific requirements on the signal propagation. This needs, impacts on material / dielectric must be used during PCB manufacture.

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Article Source: ArticlesBase.comRadio Transmission – Rigid pcb for Radio Frequency application

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