Memorable RPLS.com Threads

Last updated: December 30, 2006

These are RPLS threads that I thought were worthy of note. They are separated by categories and sorted by date. This list is not exhaustive; I will add to it as time allows. Inclusion of any thread does not imply endorsement of any method or concepts espoused in these threads.

Trimble Calibration

RTK Vertical Calibration: November 5, 2002

GPS site calibrations on the Trimble TSC: December 6, 2002

Calibration: July 17, 2004

Combining Local RTK Survey: January 27, 2005

Trimble Calibration Network: September 28, 2005

What Exactly is Site Calibration: February 26, 2006

TRIMBLE SITE CALIBRATION!: December 27, 2006

Calibrations or Localizations: December 28, 2006

Misuse of Calibrations: December 28, 2006

CALIBRATION TOPIC CONTINUED!: December 29, 2006

Map Projections

Project Specific Map Coordinates: January 27, 2001

Minimizing Ground to Grid: December 12, 2002

WOW-Thanks POB: January 1, 2003

Custom Projection Experts – HELP: February 9, 2005

Comparison of SPCS and Customer Projection: March 4, 2005

Custom Projection "metadata": March 4, 2004

NAD83 "wiggles" and the Custom Projection: March 4. 2004

tangent plane coordinate systems (long): March 11. 2003

City Surveying

NYC Surveys: May 10, 2004

NYC Surveys Part 2: May 10, 2004

NYC Surveys Part 3: May 11, 2004

NYC Surveys Part 4: May 11, 2004

Skelton on City Surveying: February 24, 2005

0.04

0.04 - NY style: July 11, 2002

Who lost that missing 0.04 ???: January 7, 2003

Surveying is not about 0.04"..: January 21, 2003

Halleck FAQ: 0.04 inches: February 21, 2003

The .04 Factor: March 24, 2003

0.04 List: March 25, 2003

0.02 Posts: November 10, 2004

The board has improved 500%: October 30, 2003

The real cause of the 0.04' revealed!: May 23, 2003

I found the 0.04' and Phil had it all the time.: September 22, 2003

When Is .04' Not Good Enough: October 1, 2003

So I see that 0.04' is now 0.02': November 10, 2004

September 11, 2001

This is section is not meant as a political statement. It is a snapshot of a time none of us will forget. Perhaps it is instructive to remember what we felt and thought on that terrible day. I realize this may be an unrealistic expectation. If I get negative feedback I will remove it.

Please remember those in NYC.....: September 11, 2001 9:40 AM

It was only a matter of time: September 11, 2001 10:40 AM

HUSH: September 11, 2001 12:15 PM

Life goes on....: September 11, 2001 6:29 PM

A Surveyors first hand account of this morning's tragedy.: September 11, 2001 10:18 PM

To Mr. Jerry McGray: September 11, 2001 10:55 PM

WE ARE AMERICANS!!!: September 11, 2001 10:56 PM

Maybe I posted too harshly?: September 11, 2001 11:06 PM