University Of Tasmania
2014_Janssen_and_Watson_Locate14_EDMCAL_proceedings_version.pdf (1.02 MB)

EDMCAL: processing EDM calibrations in NSW

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conference contribution
posted on 2023-05-23, 08:50 authored by Janssen, V, Watson, T
The Surveyor General of New South Wales is a verifying authority under the National Measurement Act 1960 and responsible for ensuring that surveyors use verified measuring equipment. According to the Surveying and Spatial Information Regulation 2012, surveyors are required to verify their Electronic Distance Measurement (EDM) equipment in relation to an Australian standard of measurement of length at least once a year. For this purpose, Land and Property Information (LPI) provides and maintains several EDM baselines across the state. LPI is currently in the process of improving this infrastructure by upgrading existing baselines and building new baselines for the calibration of EDM instruments. This paper presents the current status of EDM baseline infrastructure in NSW and outlines the data processing performed by LPI in regards to EDM calibrations. The EDMCAL software currently employed by LPI is described and compared to a spreadsheet calculation generated by the University of New South Wales. Finally, LPI’s new online EDM baseline booking system is introduced. This online system should now be used by surveyors to book access to all EDM baselines in NSW in order to allow efficient and effective use of existing and future baseline infrastructure.


Publication title

Research@Locate'14 Proceedings


S Winter, C Rizos




School of Geography, Planning and Spatial Sciences


Australasian Spatial Information Education and Research Association

Place of publication


Event title


Event Venue

Canberra, Australia

Date of Event (Start Date)


Date of Event (End Date)


Rights statement

Copyright 2014 The Authors

Repository Status

  • Open

Socio-economic Objectives

Other environmental management not elsewhere classified