• NMEA GGA DATA

    6GPS Quality indicator: 0: Fix not valid1: GPS fix2: Differential GPS fix, OmniSTAR VBS4: Real-Time Kinematic, fixed integers5: Real-Time Kinematic, float integers, OmniSTAR XP/HP or Location RTKabove is the sixth information in GGA data, would you please help me to discribe the differences among…

    By myjie927

    0
  • Syncing Allegro DC with Leica TCR 703

    Hello.  I just purchased an old Allegro with Carlson Surv CE version 1.67.  I am trying to sync it with a Leica 703 TCR.   I am using a cable.  The cable is approximately one year old.  I've put in the correct comm settings per Carlson and I'm not having any luck.   I've been on the phone with…

    By Michael Turnrose

    5
  • Leveling and Adjustment table

    By ali asghar

    2
  • Topcon GTS-3b/c serial (rs-232) data message help

    Hello all. I'd like to write a laptop/tablet app for linking to my older Topcon GTS-3b gun for storing its serial port data from a job (Hor/Vert angles, distance, etc). Can anyone out there help me with the required message syntax/format, commands, data error checking, etc for the data output of…

    By Bruce Wilcox

    0
  • Favorite marker pens

    Hi all, just wondering what everyone's take on their favorite marker pen is?I personally like using the uni-ball px20 markers, they are oil based, valve action markers with replaceable tips. Only problem is the lids don't fit on the end so you end up losing the lid quickly. 

    By Kieran Joel

    6
  • Making Sense of Legal Description - Need Help!

    Legal DescriptionHOMOSASSA SPORTSMANS ISLAND UNREC LOT 176: BEG AT A PTFOUND BY MEASURING FROM NE COR OF SD W 1/2 OF NE 1/4 OF SDSEC 26 S 0DEG 09M 43S E AL E LN OF SD W 1/2 OF NE 1/41105.54 FT TH S 89DEG 50M 17S W 240.60 FT TO A PT IN THECENTERLINE OF A TRAIL 2S0 FT WIDE TH AL SD TRAIL CENTERLINES…

    By Charles R. Prewett

    1
  • GEOGRAPHIC COORDINATE SYSTEM PROJECTIONS

    Hello,I am a civil designer with limited survey experience.  I am learning about the concepts behind geographic coordinate projections.  I understand to change from a 3d geographic coordinate to a 2d map, that a projection is required.  However, it seems to me that to change survey data from an…

    By Chuck Turlington

    10
  • "GRID" TERMINOLOGY

    Hello,I am a civil designer with limited survey experience, trying to understand more fully the concepts behind coordinate systems and transformations.In my reading and review of the subject, I read the terms "On the Grid" often.  Also, I see the term in reference to Grid Based Transformations.  I…

    By Chuck Turlington

    0
  • Export data for Leica TCRA 1102

    Hi, I have this problem:for export and import data from/to Leica TCRA 1102, I always used Leica Survey Office in windows XP.With windows 10 this software import data but no export data. Coordinate editor unresponsive.Is there anyone knows I recommend a free software for this operation?Thank you…

    By Filippo Tezzon

    2
  • Where is the Initial Survey point in Mexico

    I'm currently vacationing in Mexico City and would like to document a Principal survey point here as I have 3 times for the US cataloguing website www.pmproject.org. I Googled and found this group, but nothing useful otherwise. any…

    By Gene Holmerud

    5