There are a hundred reasons she may be pulling up early and slick treeing...laziness, inability to finish track, etc etc. A lot of young dogs that are strongly "tree bred" have to be watched for this. They can't finish the math, so they get the wrong answer. Before scolding for the slick, I'd try ...

As mentioned already, check classifieds on sites like this and eBay and such. You can find some good deals on the classic Quiktrack and Johnson telemetry units and the Garmins (particularly the Astron220 now that the 320 is on the market).

Quick story to help in your decision not related to actually losing a dog:

Had a pup I was training and was hunting her by herself one night. Had the Garmin on her and she started treeing in a fairly thick swamp about 350 yards from me. By the time I was 100 yards from her she went totally silent ...

THanks fellas for the leads. I'm a few months away from buying, but this gives me a good jumping-off point.

I used to run bobbers some when I live in Northern Michigan. I had all coon dogs, mostly English from an Oney/Rooster cross. My future brother-in-law turned a couple of these into dedicated bobcat dogs, and did ok.

Now I live in Southern MI, but still get up north on a regular basis. I have a ...