Static on Search

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Bearcat95

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This is probably a very basic question for all of you advanced scanners but as I'm new to scanning and still learning there is something I'm wondering about.

When using the Search (SRCH) on my BC95XLT the scanner will go through its' 10 banks and while doing so it often stops on frequencies (sometimes it will move on after a few seconds and sometimes it will stay on the static frequency for a longer time) but all I'm hearing is static/noise, no voice even if I adjust the squelch to different settings. I'm wondering if there is in fact a communication transmission happening but I am not in close enough proximity to hear it or that the RH77CA antenna is "not enough" antenna to pull in the transmission?

I can hear some transmissions fairly well mostly on the AIR and Weather bands and little on the HAM band when using the Service Search feature. I'm thinking 'antenna' but for those of you who know a lot more than I do perhaps you could give me some instruction about this. Thanks.

Tom

P.S. I do have an old Radio Shack sputnik style antenna that I bought years ago and intend to hook it up to my scanner when I get a chance to take a trip across the border to a Radio Shack store in Massena, NY to get some RG-58 or RG-8 coax cable as the manual suggests to use.
 

UPMan

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It could be a number of things, such as:

* Digital transmission (will sound like hissing on the 95, since it can't decode)
* RF Mixing-product interference (sometimes incorrectly referred to as a birdie, this kind of interference goes away when you disconnect the antenna)
* Internally generated birdie (would still be there if you disconnect the antenna)
* Interference from an "unintentional radiator" like RF noise from a PC, a switching power supply, etc.
 
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