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Topcon GTS-2B Semi-Total Station
Posted by field-dog on August 9, 2023 at 8:38 pmDid the Topcon GTS-2B semi-total station come with an RS-232 connection for use with a data collector? I don’t remember. I assume it didn’t because it wasn’t a total station.
james-vianna replied 1 year ago 5 Members · 6 Replies -
6 Replies
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The Topcon GTS-2B had nothing that could be called an RS-232 port.Â
It would output the slope distance through the coaxial (two wires) power port in the lower part of the instrument to a device called the SRC-5 slope-reduction calculator.
Then, according to the SRC-5 manual
“Set the vertical (zenith) angle, horizontal angle, instrument point coordinates, H.I. values and so on, according to the calculation to be executed.”
GB
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I had a lot of fun with my GTS-2B until the distance measuring capability died. The fact you can turn angles without supplying power let me do a lot of learning using radio towers.
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“Set the vertical (zenith) angle, horizontal angle, instrument point coordinates, H.I. values and so on, according to the calculation to be executed.”
Looks like manual entry to me. Thanks.
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Yeah, no electronic transfer of angles because they were still optical micrometer readings.
I just used my HP calculator and entered both distance and angle readings.
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Nothing wrong with hand written field notes.  Mine was a dependable work horse.  I’d send it in for calibration and they never needed to adjust.  I miss balancing the bubble.  When in the field it was in my left hand and the legs on my right shoulder. I wouldn’t do that today but back then I didn’t keep falling down getting on a plane.
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The biggest problem with instruments that came after it was that with all data being stored electronically the number of shots went from 5- 10 or so per setup to 50-100. Seems we got along just fine without all the extra ties.
Afterthought: had one of those old person moments a few years ago when at a school surveying exercise the younger LS with me had no clue how to read the angles.
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