[IGSSTATION-4972] DHLG: antenna change

[David Maggert]

Dear Colleagues,

The USGS recently upgraded the receiver and antenna at the Durmid Hill 
(DHLG) IGS station.  The details of the new antenna are shown below.

4.4  Antenna Type             : TPSCR.G3        SCIS
      Serial Number            : 383-1895
      Antenna Reference Point  : BPA
      Marker->ARP Up Ecc. (m)  : 0.1224
      Marker->ARP North Ecc(m) : 0.0000
      Marker->ARP East Ecc(m)  : 0.0000
      Alignment from True N    : 0
      Antenna Radome Type      : SCIS
      Radome Serial Number     :
      Antenna Cable Type       :
      Antenna Cable Length     :
      Date Installed           : 2012-06-21T22:43Z
      Date Removed             : (CCYY-MM-DDThh:mmZ)
      Additional Information   :


The updated site log has been posted at the IGSCB.

http://igscb.jpl.nasa.gov/igscb/station/log/dhlg_20120626.log

I apologize for the late notice of this antenna change as I just found 
out about this change myself.  Maintenance and operation of this site is 
performed by the USGS.

Best Regards,
David Maggert