@cf-67 Thanks for the link above on the sensor. Besides doing something like Nate the Surveyor said in his post above about laying out control I woul...
@cf-67 Question: How accurate is the heading sensor on this 8 metre boat? JOHN NOLTON
@jt50 I think you must read your post again. I answered your very FIRST Question. See your first line above. I forgot to answer your 2nd qu...
@jt50 Your question "Do you need to calibrate the rods" answer NO. Since you are using a 3-part rod and that is not allowed by the FGCS spects....
For: John Hamilton, your post above leaves a lot of questions. But first if you read the Specifications for Electronic Digital/Bar-Code leveling you ...
For: Not my real name Question:?ÿyou ask "get a precise water surface elevation"?ÿ ?ÿ just what do you call precise? ?ÿ JOHN NOLTON ?ÿ ?ÿ
@plumb-bill It sounds like you have never read about or used an optical plummet. I would suggest you read the following; 1. Surveying Instrumen...
@old-shatterhand I looked up the spect. on the Trimble 5602 and you are correct; it not accurate for your work. Question: can you get (borrow) ...
For:?ÿ ?ÿjt1950?ÿ and?ÿ Plumb Bill The plummet that?ÿOld Shatterhand is using?ÿDOES NOT HAVE A COMPENSATOR IN IT. It uses a 20 second bubble per 2mm ...
Old Shatterhand?ÿ?ÿin my post above its SwissTek not SwissTec ?ÿ JOHN NOLTON
You have several choices. You will find some on ebay (zenith) or you can rent one from several places. One such place would be SwissTec in Brewster, ...
Larry could give me the model number of the DeWalt you are looking at. Your question is a very good one and I never thought of?ÿ it. I would say NO b...
YES; Had the Tellurometer MRA1 in the military in 1963 , then?ÿ MRA301 in 1968 in the military(military version of the MRA3) . MA100 tellurometer (pe...
Thanks for the post?ÿM.T.?ÿ?ÿIt brought back old memory's for a couple almost look like a RDP (range deflection protractor) used in FDC (fire directi...
@loyal Your next calculator (since you like RPN) should be the SwissMicros DM42 JOHN NOLTON
@geeoddmike You use the word "pointless" (see your post above); well it not pointless. If you print a number then it should b...
@geeoddmike I thought it might be something like that. Sometimes I try to type too fast and then hit the wrong key and then I have a bad habit of not...
@geeoddmike Its R.E. Deakin NOT R.E. Dealing JOHN NOLTON
@geeoddmike I see you give a link to a paper by Prof. Dr. R.E. Deakin on ECCENTRICITY OF THE NORMAL ELLIPSOID. I don't think you have read thi...
@geeoddmike I would like to bring to your attention 2 things. 1st), the calculation of e^2 for GRS80 ellipsoid by Dr. Dennis Milbert is just a littl...
