I looked at them both and chose the Garmin-
I already had Garmin GPS and liked them, the unit works a a GPS as well as a tracking colar
and i think the dogtra requires using your phone as a screen- i would just as soon keep the phone dry in the marsh- much less - i don't have three hands for gun controller and phone
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"If there is a heaven it must have thinning aspen gold, and flighting woodcock, and a bird dog" GBE
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