USGS Publications (historic)base9geodesy; thanks for your input, but I was told differently.Before Ed McKay retired he said that NGS no longer does th...
USGS Publications (historic)Jerry Penry, thanks for the offer. Over the years (from 1961) I have some. I only wish I had got the whole United States. ...
USGS Publications (historic)Loyal, thanks for the link. Now can you find the person at USGS that knowsanything about getting the OLD "Triangulation Di...
The May 2015 issue of GPS World on page 8 has an article about "A Leap Second---One More Time!"Interesting but more historical. If you go to www.gpswo...
Math Teacher;There are several ways to reduce measured Zenith Distances. Norman is so close you might as well say he is correct.The formula is;Z = [(3...
OK I had to put my close-up glasses on to confirm that price. There is no way I would pay $1995 for STARNET. Of course I am old and have been retired ...
Thanks for the info. about STARNET and the version (V6). I just checked the manualI copied when I used STARNET(circa 1992-1994) and it was V5. For som...
Scott this is neat. What version of STARNET are you using?JOHN NOLTONPS I owe you an e-mail and I will get it out today.
I can be there Monday to pick it up. Send me your address and phone number.JOHN NOLTONTombstone, AZ.
At Least You Know What You AreIt sounds like you need some supervision courses.A pat on the back sure helps moral. A lesson you need to learn.JOHN NOL...
Colin, where did you get the correction DUT= 0.0 seconds?Looks to me that its -0.56107 seconds for the date you give.JOHN NOLTONTombstone, AZUSA
MathTeacherOverall your answer is not too bad for the rounding you did.Clark 1866 Ellipsoid, semi-major axis = 6378206.4 meters (held fix)6378206.4 * ...
Cliff you are only about 15 years behind times. CIO DOES NOT MEAN Conventional International Orgin.It now ( and has been for around 15 years) stand fo...
Prof. Cliff MugnierCliff when you check your bubbles on the T4 also let me know the approx. year it was built. The Kern DKM3 and the Kern DKM3A use th...
J.P. another neat find. Keep it up; I love to see your recovery.JOHN NOLTONTombstone, AZ.
The sensitivity of a vial is expressed as its "PAR"PAR (Pars) is old terminology and has not been used by manufactures in over 50 years.A Par used to ...
ConradConrad, thanks for the link. Now I have the phone number again. Now you can get them for free and years ago I had to pay for them. Story of my l...
ConradConrad if you do an internet search under "Hewlett-Packard Journal 1980's, then look for Sept. 1980 you will find the HP 3820a Theodolite talked...
Conrad; very nice charts you have been showing. Have you read any of the literatureon encoders? (just wondering, it looks like you have. If so what ar...
BigEOOPS; I left out the 64 footer in my above post. SorryJOHN NOLTONTombstone, AZ.
