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I think the point dsafety was making is that we have an extra availible resourse at our desposal that often goes unnoticed. My friend hooked into a mama thresher on wed. that took him on a 3 hour sled ride almost 10 miles towards catalina. Wasn't until the battle was over that he realized the battery on his finder/gps had died. Lucky for him it was a clear day and no fog bank rolled in but the next day he said that's all he could think about the whole time. I asked him if he had a smart phone and if he could just use the gps on that. He never even thought to use it. Its a powerful tool that often gets overlooked. But I also agree that it should be a backup and not a primary saftey tool. Phones are not as reliable as electronics made to perform in the conditions we are using them in.
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