[IGSSTATION-4262] DAV1: Equipment Changes

[ryan.ruddick at ga.gov.au]

Author: Ryan Rudidck

Geoscience Australia
Australian Regional GPS Network

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Site ID : DAV1
DOMES No: 66001M001
Location: Davis Station (ANTARCTICA)

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Dear Colleagues,

Please be informed that some changes were made to the GNSS installation to ensure compatibility of the site with modern signals and future constellations.  The changes were made between 2011-02-21T00:00Z and 2011-02-22T00:00Z.

The firmware of the Leica GRX1200GG Pro receiver was upgrade from v7.50 / 3.019 to v8.01 / 3.019.

The antenna was swapped to a Leica AR25.R3 model with LEIT radome.

4.3  Antenna Type             : ASH701945G_M    AUST
     Serial Number            : CR5200428009
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 000.0005
     Marker->ARP North Ecc(m) : 000.0000
     Marker->ARP East Ecc(m)  : 000.0000
     Alignment from True N    : 20
     Antenna Radome Type      : AUST
     Radome Serial Number     :
     Antenna Cable Type       : 
     Antenna Cable Length     : 40 (m)
     Date Installed           : 2007-08-01T07:00Z
     Date Removed             : 2011-02-21T00:00Z
     Additional Information   :

4.4  Antenna Type             : LEIAR25.R3      LEIT            
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 000.0000
     Marker->ARP North Ecc(m) : 000.0000
     Marker->ARP East Ecc(m)  : 000.0000
     Alignment from True N    : 0
     Antenna Radome Type      : LEIT
     Radome Serial Number     : 
     Antenna Cable Type       : LMR400
     Antenna Cable Length     : 85 m
     Date Installed           : 2011-02-21T00:00Z
     Date Removed             : 
     Additional Information   : (multiple lines)

A Paroscientific Met4 automatic weather station was also installed at the site to replace the ageing Paroscientfic Met3. 

There was a short data outage during the upgrade.  We apologise for any inconvenience that this may have caused users.

An updated site log has been submitted to IGSCB and is available for download along with the GNSS data and Meteorological data in RINEX format from the Geoscience Australia FTP server (ftp.ga.gov.au) and IGS Data Centres. 

Regards,

Ryan Ruddick
Geoscience Australia
Email: ryan.ruddick at ga.gov.au
Phone: +61 2 6249 9426