Last seen: June 6, 2026 11:32 pm
Place a bubble you know is good in the tribrach. For example the instruments bubble typically is very sensitive and accurate. Put the instrument in th...
Or it means he was having a mild stroke while typing.
Translated that says he uses his plotter so infrequently he would like to have a plotter with ink that won't dry up if used only once in a while.
Yes to the 1st and no I don't know how to edit posts.
Or another way to visualize it. If you measured the zenith angle to a point and wanted to keep that same elevation on the point but you needed to chan...
No. You sight the prism. The zenith angle is now measured. You can move the nail you are set up on up 1 foot or down 2 feet or any other change to you...
What am I missing? ZA determines the relationship of the height of the telescope to the height of the prism. Regardless of what the ZA might be a .10'...
If someone thinks they can produce a more accurate surface by disregarding any shots other than what they personally judge to be a breakline – espec...
A 50' grid is not a good way to create a surface or to check one. Taking shots at appropriate points will always be better and more efficient. Limitin...
If something is built for my benefit it seems I should be the one responsible for its maintenance. The law may say otherwise but it shouldn't.
What makes this an alley? Is there verbiage on the plat? I don't see it noted/labeled. Why can it not be just a narrow strip of land? How did it obtai...
"The person in the photo below is the alleged perpetrator." Am I the only one who does not see a photo?
What are they turning to and how are they locking onto the prism? Are they using autolock? If autolock is not calibrated correctly this will cause the...
Did Gary G reply with any text? If so I can not see any in either of his replies.
Surely both could be in the order of 100m at a point close to the zero-northing axis? I'm almost certain that there is not in any state, a state pl...
I don't understand why Holy Cow didn't put his pin in the right place to begin with.