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How far we've come...y'all remember
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<blockquote data-quote="BSK" data-source="post: 5397637" data-attributes="member: 17"><p>The first true electronic trail monitoring system was the Trailmaster 1500. It had an infra-red sending unit (sent a beam of infra-red light) and a receiving unit. The two units were set up on either side of a trail. When something broke the beam, an event was recorded. The user could go through all of the triggers and right down the date and time, or even print them to a small hand-held printer. Found out the hard way that the two units really needed to be mounted to T-posts, as when mounted to two trees, their swaying in the wind would break the beam. Was a nightmare getting the sending and receiving unit lined up properly. These came out in the early 1990s, and cost around $600 back then. And for a cool $1,200 you could get a camera that wired to the receiving unit which would trigger the camera. I bought one of these back in '93 I believe. back then, $1,200 was a LOT of money. Used it for years though. My mentor helped develop the Trailmaster system, and he used it to do his PhD research on signpost rubs.</p></blockquote><p></p>
[QUOTE="BSK, post: 5397637, member: 17"] The first true electronic trail monitoring system was the Trailmaster 1500. It had an infra-red sending unit (sent a beam of infra-red light) and a receiving unit. The two units were set up on either side of a trail. When something broke the beam, an event was recorded. The user could go through all of the triggers and right down the date and time, or even print them to a small hand-held printer. Found out the hard way that the two units really needed to be mounted to T-posts, as when mounted to two trees, their swaying in the wind would break the beam. Was a nightmare getting the sending and receiving unit lined up properly. These came out in the early 1990s, and cost around $600 back then. And for a cool $1,200 you could get a camera that wired to the receiving unit which would trigger the camera. I bought one of these back in '93 I believe. back then, $1,200 was a LOT of money. Used it for years though. My mentor helped develop the Trailmaster system, and he used it to do his PhD research on signpost rubs. [/QUOTE]
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