[IGSSTATION-6959] TONG: Antenna Change and Data Upload [SEC=UNCLASSIFIED]

[Ruddick Ryan]

Author: Ryan Ruddick

Geoscience Australia
South Pacific Regional GNSS Network

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Site ID : TONG
DOMES No: 50902M001
Location: Nuku'alofa (Tonga)
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The antenna failure that was reported in IGSSTATION-6815 has now been resolved. Details on the antenna change are reported in the station log file that has been submitted to IGS CB and is also available from the GA Public FTP server (ftp.ga.gov.au).

4.4  Antenna Type             : TRM59800.00     NONE
     Serial Number            : 4844A59860
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0030
     Marker->ARP North Ecc(m) : 0.0000
     Marker->ARP East Ecc(m)  : 0.0000
     Alignment from True N    : 0 deg
     Antenna Radome Type      : NONE
     Radome Serial Number     :
     Antenna Cable Type       : RG214
     Antenna Cable Length     : 30 m
     Date Installed           : 2017-01-09T00:00Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   :

It has also come to our attention that during the period of time when the data quality was poor we were inadvertently still uploading data to the IGS DCs. Could I please ask that any data centres with data from TONG between 2016-280 and 2017-008 (inclusive) please remove these files as we cannot guarantee the quality of the data.

In addition daily RINEX files from 2017-009 until present have been re-uploaded to IGS DCs with the current header information.

Data transmission from TONG has now been resumed as normal. The real-time data stream is currently turned off due to bandwidth issues, this will be re-established in March 2017.

Apologies for the delayed notice on this change.

Kind regards,

National Geodesy and GNSS Operations
Geoscience Australia.



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