Jansen Loi
  • Male
  • Singapore, Singapore
  • Singapore
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Jansen Loi's Associates

  • Paul Vidler

Jansen Loi's Discussions

Topographical Survey data Processing

Started this discussion. Last reply by Jansen Loi Mar 24, 2014. 4 Replies

Hi guys, My company is looking to improve on its workflow for topographical surveys. We have been using a software called geotopo for a long while already. Its very rudimentary and now quite…Read more →

Tags: software, survey, topography

Trimble Business Centre Help

Started this discussion. Last reply by Jansen Loi Jan 15, 2014. 3 Replies

Hi Guys,I am using have data files in a .csv file format (PNEZD format) and would like to import to TBC to do earthwork and road alignment calculation. I can't seem to find TBC user manual anywhere…Read more →

Tags: Trimble

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Jansen Loi's Profile

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Jansen Loi replied to Paul Vidler's discussion Looking for advice to work remotely as a survey drafter.
"firstly you got to see who are your target audience? I understand that in Aus most like to use 12d for processing and drafting, in US, its a toss up between Civil3d or Carlson or Microstation if on DOT projects While it's good to use the same…"
May 25, 2018
Jansen Loi replied to Braden's discussion Spectra Precision Epoch 50 Reviews seeking information
"post processing, you can use TBC if you have when you purchase your s6"
May 6, 2018
Jansen Loi replied to Brad Litteken's discussion TOPCON GLS2000 3D LASER SCANNER
"Hi, do you have an email or is it on ebay?"
Jan 3, 2017
Jansen Loi replied to Arnel M. Domag's discussion How to Edit Reflector Height in SDR33
"In the raw SDR file, you are able to edit the Height. The line you are looking for is this line. It will not appear at every shot but will only appear when there is a change in your instrument or target height.  03NM1.35000000 In the old SDR…"
Aug 31, 2016
Jansen Loi is on spot light
Sep 24, 2015
juliet osunde left a comment for Jansen Loi
"Thanks for responding to my question, and be sure I took your advice 'practise practise and more practise'....."
Aug 6, 2015
Jansen Loi replied to juliet osunde's discussion temporary adjustment
"First ensure that you are using the proper techniques to set up and remember to practice, practice practice. "
Jul 24, 2015
Jansen Loi replied to pasha's discussion precise station in survey work
"I would agree with Arnel,  What you have shown is not the accuracy of your results but the standard deviations of your readings.  What Arnel talks about is the accuracy it is able to achieve in ideal conditions but we know thats always…"
Apr 22, 2015
Jansen Loi replied to Lalith Senanayake's discussion SURVEYORS LICENCE
"I think in a legal point of view. When you sign it off saying you did it or oversaw it, the assumption is that you have reviewed and supervised the work. Evidence of traverses run and boundaries found can easily be shown and measured by anybody. But…"
Mar 22, 2015
Jansen Loi favorited Jaybird's group Sokkia Support Group
Jan 19, 2015
Jansen Loi replied to David Chandler's discussion GPS rover in doorway problems.....
"I assume you are using RTK mode in for your survey. Are you able to achieve lock or did you lose lock when you are standing under the doorway? "
Nov 25, 2014

Seeking Employment
Ritchie Nohay left a comment for Jansen Loi
"sorry about the uber late reply.  No, I am not anymore. I migrated to Australia already."
Nov 16, 2014
Jansen Loi replied to Khalil Haidary's discussion Scale factor of Leica Total station TS02-7”
"Will answer your qns the other way round to hopefully give you a better understanding. Cheers to the rest for some good explanations. May be wrong and please correct me if I am wrong. Am a student surveyor and sharing what I learnt! 1. Scale Factor…"
Nov 5, 2014
Jansen Loi's discussion was featured

Starnet Help

Hi,I am currently using starnet V6 and I am having a problem. Tried searching through the manuals and online help but no such luck. Currently I have a two traverse loops; One loop is the original loop which was done many years back, the second loop was recently done and contains part of the original loop and was done using assumed bearing and coordinates. I would like to know how to do a transformation of the loops and also find out the residuals of the original loop to know how much they have…See More
Oct 26, 2014
Jansen Loi replied to Jansen Loi's discussion Starnet Help in the group Microsurvey Support Group
"Hi, Thanks for all the help. Will look into it and hopefully solves the issue. Thank you! Jan"
Oct 26, 2014
Sarfraz Ahmed replied to Jansen Loi's discussion Starnet Help in the group Microsurvey Support Group
"Hello, 1: to transform the newly taken data u just have to change the value of minimum  2 known points manually in your star net coordinates file. Fix them ( ! ) as your known point and run the adjustment. 2: To check the residuals of the…"
Oct 26, 2014

Profile Information

I am here because I am a.
Surveyor Bio:
Would like to know more about my chosen profession and also link up with the others and share ideas on to better this professions
Location for Member Map
I have experience with the following
cadastral, boundary surveys, topographic surveys, Construction
How many years have you been surveying?
1 year
Most comfortable with the following types of instrumentation
Total Stations, GPS, Automatic Levels

Comment Wall (3 comments)

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At 2:05pm on August 6, 2015, juliet osunde said…
Thanks for responding to my question, and be sure I took your advice 'practise practise and more practise'.....
At 12:47am on November 16, 2014,
Seeking Employment
Ritchie Nohay

sorry about the uber late reply. 

No, I am not anymore. I migrated to Australia already.

At 7:41pm on August 27, 2013, Paul Vidler said…

Hi Jansen, thanks for the add. In answer to your question. Yes, I am studying at USQ? How about you?


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