What kind of antenna do I need for a police scanner?
What kind of antenna do I need for a police scanner?
Police scanners always come with a stock “rubber duck” antenna that receives about 30 miles of range (which can vary greatly depending on your local topography). So, as much as we want to sell you an antenna, most users do not need one.
What is a scanning antenna?
Abstract: Scanning movements are added to a tracking antenna’s trajectory to estimate the true spacecraft position. The scanning movements are composed of the harmonic axial movements of an antenna. This motion produces power variations of the received signal, which are used to estimate the spacecraft’s position.
Will a TV antenna work for a scanner?
Yes as long as the cable is 75 ohm it will work fine. You will need to inspect the antenna and connections for damage or bad wiring. If it has 300 ohm line then you will need a 300 to 75 ohm transformer. Just buy a pl-259 to solder to the 75 OHM line and connect that to the scanner.
Does a scanner antenna need a ground plane?
The 800 MHz antenna should work well with your scanner if properly installed. You are correct it should have a metal ground plane. At 800 MHz the ground plane should be 7″ in diameter for best performance.
Will a CB antenna work as a scanner antenna?
A CB antenna works pretty well for scanners since it is usually mounted high and it has a lot of capture area. While an antenna tuned for a specific frequency will always work better on that freq, a scanner antenna is necessarily a compromise.
How can I boost my scanner signal?
How to Boost Scanner Antennas
- Install a small amplifier at the base of the antenna to boost the scanner antenna’s performance.
- Mounting an antenna up high allows it to receive more signals because it is above the interference.
- Install a longer antenna.
How do I make my radio antenna stronger?
Use a signal amplifier: You can place a signal amplifier (aka signal booster) between the antenna and your receiver or radio to boost the signal. Just connect the cable coming from the antenna to the input of the amplifier. and then connect the output to your radio or receivers’ antenna input.
