<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Author: David Maggert, UNAVCO<div><br></div><div>Dear Colleagues,</div><div><br></div><div>Last Friday October 12th the USGS changed the antenna at the Hollydale (HOLP) IGS station. The Ashtech choke ring antenna was removed and the a Topcon choke ring was installed. The Ashtech SNOW radome was removed and a SCIGN short radome SCIS was installed. The details of the antenna swap are shown below.</div><div><br></div><pre style="color: rgb(0, 0, 0); font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; word-wrap: break-word; white-space: pre-wrap; ">4.2 Antenna Type : ASH700936A_M SNOW
Serial Number : 11481
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.131
Marker->ARP North Ecc(m) :
Marker->ARP East Ecc(m) :
Alignment from True N : deg
Antenna Radome Type : SNOW
Radome Serial Number :
Antenna Cable Type : (vendor & type number)
Antenna Cable Length :
Date Installed : 1995-05-19T00:00Z
Date Removed : 2012-10-12T17:00Z
Additional Information : Antenna exchanged old LGP replaced with DM
: type.
: NOTE: same filed notch used as vertical datum.
4.3 Antenna Type : TPSCR.G3 SCIS
Serial Number : 383-1915
Antenna Reference Point : BPA
Marker->ARP Up Ecc. (m) : 0.1310
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 : 0524
Antenna Cable Type :
Antenna Cable Length :
Date Installed : 2012-10-12T17:14Z
Date Removed : (CCYY-MM-DDThh:mmZ)
Additional Information :
</pre><div><br></div><div>An updated site log has been posted at the IGSCB.</div><div><br></div><div><a href="http://igscb.jpl.nasa.gov/igscb/station/log/holp_20121015.log">http://igscb.jpl.nasa.gov/igscb/station/log/holp_20121015.log</a></div><div><br></div><div>This station is maintained and operated by the USGS Pasadena office.</div><div><br></div><div>Best Regards,</div><div>David Maggert </div></body></html>