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Improving GNSS CORS design: The CORSnet-NSW Adjustable Antenna Mount (CAAM)

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Commins, R and Janssen, V (2012) Improving GNSS CORS design: The CORSnet-NSW Adjustable Antenna Mount (CAAM). Journal of Global Positioning Systems, 11 (2). pp. 109-115. ISSN 1446-3156 (print), 1446-3164 (CD-ROM)

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Abstract

Global Navigation Satellite System (GNSS) Continuously Operating Reference Station (CORS) networks are being built and expanded around the world, contributing to the definition and realisation of geodetic reference frames as well as providing reliable and accurate positioning infrastructure for a wide range of applications. Depending on the purpose of the GNSS station, CORS antenna monuments typically vary from concrete pillars anchored to bedrock to masts attached to buildings. An antenna mount is used to connect the GNSS antenna to the monument. In all cases it is desired that the CORS antenna is oriented to True North in order to gain maximum benefit from GNSS antenna modelling. Other requirements generally include the unambiguous definition of the survey mark and Antenna Reference Point (ARP), and a zero or minimal antenna height. This paper introduces the CORSnet-NSW Adjustable Antenna Mount (CAAM), developed by NSW Land and Property Information (LPI) for CORSnet-NSW, LPI’s rapidly growing GNSS CORS network covering the state of New South Wales, Australia. The CAAM was purposely designed to be incorporated into (rather than simply attached to) antenna masts located on buildings or free-standing pole monuments but can also be used for pillar monuments. Being free of removable parts, it is adjustable in order to orient the antenna to True North without introducing an antenna height, thereby allowing clear definition and maximum traceability of the survey mark and the ARP. LPI encourages adoption of the CAAM for use in other GNSS CORS networks.

Item Type: Article
Keywords: GNSS, CORS, CORSnet-NSW, antenna mount
Journal or Publication Title: Journal of Global Positioning Systems
Page Range: pp. 109-115
ISSN: 1446-3156 (print), 1446-3164 (CD-ROM)
Identification Number - DOI: 10.5081/jgps.11.2.109
Additional Information:

Originally published by the International Association of Chinese Professionals in Global Positioning Systems (CPGPS).

Date Deposited: 17 Jun 2013 02:43
Last Modified: 18 Nov 2014 04:51
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