Space Communications And Electronics

Space Communications And Electronics

Kalupura, Vadodara, Gujarat
GST No. 24AFOPS8931F1Z1
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Can I Cut The Coax On My Vhf Antenna?

Yes, if you need to. However, you should leave at least three feet of coax. Note that this is not true for all antennas. CB antennas ' coax should not be cut.

Will Metal Or Other Objects That Are Close To The Antenna Affect It?

Yes  they will. It is best to locate the antenna at least three feet from any metal objects or other antennas.

Can I Mount The Antenna Beside The Radio?

No, it must be at least three feet away from the radio, so transmission will not interfere with the radios reception (usually resulting in a squeal in the speaker).

What Is The Antenna's Wavelength?

It can range from 1/4 wave to 5/8 wave, depending on the length and style of antenna. Please see the antenna specifications section for information on your particular antenna.

How High Must The Antenna Be?

There is no particular height requirement, but remember, the higher the antenna, the better the reception.

What Is The Difference Among the Many Styles Of Antennas?

Basically, the price, type and size of its elements, plus the way the antenna's fiberglass is wrapped, and the coax that is used determine the basic cost factors of an antenna. To this, add the relative cost of the finish applied to the antenna.

Do I Lose Anything By Using a Combination Antenna?

Yes, usually - depending on the type of combination antenna. Usually reception performance in the VHF side is somewhat sacrificed.

Is It Better To Use a Dedicated AM/FM Antenna Or a Band Separator?

We recommend using a separate antenna for this purpose. Band separators were designed for people who don't have room for two antennas.

What is gain, and how is it measured?

Gain is an increase (or decrease) in "effective radiated power" from an antenna, usually stated in + or - dB (decibels). As a rule of thumb, you can add 4 times the radio's output power for 6dB antennas and 8 times the radios output power for 9dB antennas.

Can i repair the antenna if the fiberglass becomes frayed?

Yes. Simply wash the antenna with soap and water first, and allow it to dry completely. Next, paint the antenna with polyurethane or a lead free, non-metallic paint. Then lightly sand the surface with 400-grit sandpaper. Additional coats of paint may be added, but are not really necessary.
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Vineet Sheth (Proprietor)
Space Communications And Electronics
4-5, 1st Floor, Krishna Complex, Sardar Bhavan Lane
Kalupura, Vadodara - 390001, Gujarat, India
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