With the initial purchase of the Astro system more than one year ago,I have purchased two more, old design DC-10s, and all three broke the antennas or lost the sleeve after the first or second hunting. They are definitely not properly design to hunt in difficult dense bushes . The antenna in the old DC-10 is terrible and get damaged when the dog has to cross a barbed wire line and the neoprene harness tends to deteriorate quickly. Recently I bought one of the new DC-30 and am very satisfied. It is a totally new concept. Rugged, easy to clean after the hunt and always stays in the proper position in the neck of the dog thanks to a very balanced weight design. The new antenna which is much more flexible and thinner stays at the side of the neck and never moves from the upwards position. Really Garmin had made his homework with the DC-30! Have used it in several hunting trips and the collar is like new.I am buying more to replace the old ones.
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