The high frequencies used on scanner channels cross over into the area where there is a lot of random "white noise", a harsh, loud "hiss". Squelch turns the gain down below the hiss, but hopefully not below the signal. It has to be adjusted carefully, otherwise you eliminate the signal along with the noise.
You can try turning your squelch up. This will filter some of the static out. You can also program your scanner to only pick up channels that are relatively close to you. This will stop a lot of the static too.
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How do you reset a GRECOM psr-200 police scanner
Police scanner let's you listen to police radios and NASCAR scanners are scanners that let's you listen to NASCAR team chatter
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its broken or probably needs to be fixed
How do I get a warrick county police scanner app
A police scanner, or police scanner radio allows you to listen to over the air communication. This communication rangs from police (most popular), fire and EMS to air traffic, race pit crews, businesses and more.
It depends on what state you live in if it's legal to have a police scanner in your posession. You need to call your local police station and ask them the law.
Yes
The first digital police scanner was invented in the 1970's. Unlike earlier analog version (which were basically AM Radios, as police just used to broadcast using regular radio waves), this scanner was the first to allow you to punch in a frequency to search for the police frequency.