Radio Vhf

is there a website where i can listen to vhf radio channels?

I need to find a website where i can listen to VHF radio i know the channels just need to know the site.

+ not an easy question. Try the DX section of this web link. I think it may have what you are looking for, or at least more info.

Good luck

PS why don’t you just buy a radio and turn it on?

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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.com – Radio Transmission – Rigid pcb for Radio Frequency application