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Old 10-25-2009, 01:08 PM
mikeATtleccdotnet's Avatar
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Default DOW Radio Collar's

Does anyone have information about the radio collars that Co DOW uses to track collared animals? We apparently have a number of Mountain Lions in our area that have such an apparatus and it would be nice to know if they are around or not…
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Old 10-25-2009, 02:03 PM
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Doing a google search on animal tracking collars, found one link that shows a freqency range. Hard to tell out here if DOW uses high power or low power freq. Anyway here one link.

Large Mammal Transmitter. Product available from Sirtrack, specialists in wildlife tracking solutions

One more link.

http://www.predatorconservation.com/radiotracking.htm
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Last edited by rckydenver; 10-25-2009 at 02:06 PM.. Reason: Add one more item
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Old 10-26-2009, 02:59 PM
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Most of the collars I have seen use 167.xxxx and do a low power CW chirp. To pick them up on most commercial equipment you need a CW or SSB mode to turn the carrier into a chirp. By using the chirp and AM it is easier to estimate a distance by ear than an FM signal would be.
Putting the frequency into an FM scanner or even a scanner you can set to AM may give you a static squelch pop if the unit is close enough there would be no tone or any other alert. A communications Receiver would give a chirp but having the static of an open squelch while waiting for the TX to come into range will drive any non-radio crazy people to distraction pretty quickly.
It might also be a bit problematic trying to get the frequency out of the local game management official, they usually don't want their collared critters disturbed and giving the public a way to track said critter probably would not be looked upon too favorably.

Bruce

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Old 10-26-2009, 03:59 PM
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I haven't looked for it lately, but the frequencies use to be listed in Part 90.
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