• To anyone looking to acquire commercial radio programming software:

    Please do not make requests for copies of radio programming software which is sold (or was sold) by the manufacturer for any monetary value. All requests will be deleted and a forum infraction issued. Making a request such as this is attempting to engage in software piracy and this forum cannot be involved or associated with this activity. The same goes for any private transaction via Private Message. Even if you attempt to engage in this activity in PM's we will still enforce the forum rules. Your PM's are not private and the administration has the right to read them if there's a hint to criminal activity.

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gmrs repeater covarage

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kb1oar

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hi i have a gmrs repeater on a 100ft tower that is in a city and the elev. is about 20 feet. the repeater puts out 30 watts and i was wondering if the repeater would do better at my house. it would be on a 50 foot mast and the elev. is about 420 feet. and more woodsy. would the elevation difference make a big difference in coverage. thanks
 

zz0468

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It's impossible for anyone to answer that without knowing the local geography.
 

n8emr

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Line of sight calculations for 1 station at 100ft and 1 station at 5ft (typical hand held or mobile) would be 17 Miles. Thats LOS with no obstructions. An antenna at 420ft you get to 34ft LOS.

Antenna gain coaxial loss should also be taken into acocunt. I am better the 30watts is less than 15 if measured at the antenna.
 
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