rfc, thank you very much for the help. JOHN NOLTON

This is a new one for me. Usually people want glasses to protect the eyes from the Laser beam. I did a search on the internet "Laser Enhancement Glass...

Loyal I looked at Google Earth for the Wasatch Mountains. I see no problem. Peaks just above 11,000 feet; you say your work will have 700 foot change ...

Erik Myers-nice picture of obelisk. What boundary marker # is it? (or Lat/Long) Mike Marks- also a very nice picture. Also what Bdy. Mon. # (or Lat/Lo...

Loyal send me the Lat./Long (box corners) that you are working in so I can look it up on Google Earth. Send it to my e-mail address. JOHN NOLTON

So Loyal; Have you forgot about Triangulation, Trilateration and Traverse. I guess you have reached the pinnacle- BUTTON PUSHER JOHN NOLTON

imaudigger I am sure the equipment you used 16 years ago was different from today.When you go out to re-establish your control what equipment will you...

Here in Arizona the border was surveyed with many monuments (over 40 for sure). I always wanted to search for some but caution always got the bestof m...

imaudigger Lets see 16 years ago some points were set and a local coordinate system was put on them. Now you come back 16 years later and set on a unk...

1st, this is NOT a 2 point resection. Look at any basic book on surveying to see what a 2 point resection is. 2nd, you have left out information for t...

Loyal years back (33 years) the FGCC which is now FGCS (Federal Geodetic Control Subcommittee) started testing GPS equipment. In Jan 1983 they tested ...

rfc thanks for posting the datasheet. I tried earlier but could not get it let alone print it.Look at the Laplace correction -3.80 seconds. Do you kno...

Bill93 Sorry I did not see your post sooner. I have NO idea what the poster who calls himself base9geodesy is talking about. It looks like his memoryi...

For: Larry Scott You say at 39 degree latitude, 1" of longitude is ~ 78 ft. Where did you get this number? On the Bessel 1841 ellipsoid at Lat. 39 deg...

For: Larry ScottThanks for going to the trouble to post. I too would play with the subtense bar in the military in the 1960's , in my spare free copio...

For: Larry ScottI just read your post and would like to comment on some things.1. Wild says that their "Precision invar subtense bar" accuracy is 25m...

Did triangulation, traverse, and measured base-lines in Japan, Okinawa (now part of Japan ), Philippines and in the USA. Starting in 1962. JOHN NOLTON