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Whats The Difference Between A Yagi Antenna And A Omnidirectional Antenna

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One more question

I had one more question I wanted to ask. Now if I got the omnidirectional antenna is it possible I can pull in Chicago PD with it all the time? I was looking at a 4dbi omnidirctional antenna on Tessco.
 

cmdrwill

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Chicago PD?? If your in Peoria, that is quite a ways away. Listen on a scanner feed....

Also 4 dbi is almost right at unity gain so I would NOT use that one.

My antenna supplier is right down the street from you. PM for details.
 
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KF5YDR

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Yeah, KampingAnthony, receiving two-way radio isn't like receiving broadcasts. Police radio systems have much lower transmitter power (like 1% of a broadcast transmitter), shorter towers, antennas optimized NOT to broadcast outside of the community/jurisdiction of the agency in question, and at that range, are below the horizon. 250 miles is way too far away unless you're willing to sink a couple thousand dollars into antennas and a preamp.

To put it in perspective: we have a ham repeater here in Houston that is situated higher than HPD's headquarters tower, and I can only hear it twenty-five miles away.
The general rule with VHF/UHF signals is if you can't see it, you can't hear it.
 
Joined
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Messages
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Location
Peoria, IL
Yeah, KampingAnthony, receiving two-way radio isn't like receiving broadcasts. Police radio systems have much lower transmitter power (like 1% of a broadcast transmitter), shorter towers, antennas optimized NOT to broadcast outside of the community/jurisdiction of the agency in question, and at that range, are below the horizon. 250 miles is way too far away unless you're willing to sink a couple thousand dollars into antennas and a preamp.

To put it in perspective: we have a ham repeater here in Houston that is situated higher than HPD's headquarters tower, and I can only hear it twenty-five miles away.
The general rule with VHF/UHF signals is if you can't see it, you can't hear it.
Insersting I didnt know that either :cool:.
 
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