[IGSMAIL-1713] DHLG Site Log Update
Chris
Chris
Tue Oct 28 20:19:20 PST 1997
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IGS Electronic Mail Tue Oct 28 20:19:20 PST 1997 Message Number 1713
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Author: Chris Roelle
Subject: DHLG Site Log Update
Subject: DHLG Site Log Update
The log file for the GPS site at
Durmid Hill, California, USA (DHLG)
has been updated to accurately
reflect the elevation of the monument.
The log is available for ftp at
lox.ucsd.edu://pub/docs/site_logs/dhlg.log
and is included in this message.
We regret any inconvenience this
inaccuracy caused.
Regards,
Chris Roelle
DHLG Site Information Form
International GPS Service for Geodynamics
0. Form
Prepared by (full name) : Chris Roelle
Date Prepared : 17-OCT-1997
Report Type : UPDATE
Prepared Using :
1. Site Identification of the GPS Monument
Site Name : Durmid Hill PGGA
Four Character ID : DHLG
Monument Inscription : None
IERS DOMES Number : (XXXXXXXXX)
CDP Number : Not yet available
Date Installed : 24-APR-1996 02:50 UT
Geologic Characteristic : SEDIMENTARY ROCK
Bedrock Type : SANDSTONE/MUDSTONE
Bedrock Condition : (FRESH/JOINTED/WEATHERED)
Fracture Spacing : (1-10 cm/10-50 cm/50-200 cm/over 200 cm)
Notes : (multiple lines)
Additional Information : Monument type - Driven Rod Quincunx
: Stainless steel 3/4" rods driven to refusal (at
: ~24'depth) and welded together approximately
: 1.5 m above ground surface. The station mark is
: a hole drilled into the side of the vertical
: stainless steel rod, between the rod weld point
: and the antenna adaptor.
: Station is colocated with the south end vault
: of the Durmid Hill Laser strainmeter operated
: by Frank Wyatt and Duncan Agnew, IGPP, SIO.
: Information on the Quincunx monument and the
: Durmid Hill strainmeter are located on the
: web at http://www-pfo.ucsd.edu
2. Site Location Information
City or Town : Durmid Hill
State or Province : California
Country : USA
Tectonic Plate : North American/Pacific Plate Boundary
Approximate Position
X coordinate (m) : -2319120.7869
Y coordinate (m) : -4799881.2570
Z coordinate (m) : 3490071.5368
Latitude (deg) : 33.2129 N
Longitude (deg) : 115.7881 W
Elevation (m) : -59.5061
Additional Information : Coordinates taken from Rinex file header,
: converted to WGS84
3. GPS Receiver Information
3.1 Receiver Type : ASHTECH LP Z-XII 700845-10D
Serial Number : LP 01378
Firmware Version : 1E86-1D01
Date Installed : 24-APR-1996 02:50 UT
Date Removed : 23-JAN-1997 05:00 UT
Additional Information : (multiple lines)
3.2 Receiver Type : ASHTECH LP Z-XII 700845-10D
Serial Number : LP 01389
Firmware Version : 1E95-1D01
Date Installed : 23-JAN-1997 05:10 UT
Date Removed : (dd-MMM-yyyy hh:mm UT)
Additional Information : Firmware upgrade, receiver swap
3.x Receiver Type :
Serial Number :
Firmware Version :
Date Installed : (dd-MMM-yyyy hh:mm UT)
Date Removed : (dd-MMM-yyyy hh:mm UT)
Additional Information : (multiple lines)
4. GPS Antenna Information
4.1 Antenna Type : ASHTECH Choke Ring 700936
Serial Number : 12656
Antenna Height (m) : 0.1214
Antenna Reference Point : ARP
Degree Offset from North : Antenna Alligned to True N
Antenna Radome Type : ASHTECH Choke Ring Radome
Date Installed : 24-APR-1996 02:50 UT
Date Removed : (dd-MMM-yyyy hh:mm UT)
Additional Information : (multiple lines)
4.x Antenna Type :
Serial Number :
Antenna Height (m) : (m)
Antenna Reference Point : (ARP/BCR/BPA)
Degree Offset from North :
Antenna Radome Type :
Date Installed : (dd-MMM-yyyy hh:mm UT)
Date Removed : (dd-MMM-yyyy hh:mm UT)
Additional Information : (multiple lines)
5. Local Site Ties
5.x Monument Name :
Site Ref CDP Number : (XXXX)
Site Ref Domes Number : (XXXXXXXXX)
Differential Components from GPS Mark to Site Reference (ITRS)
dx (m) : (m)
dy (m) : (m)
dz (m) : (m)
Accuracy (mm) : (mm)
Date Measured : (dd-MMM-yyyy hh:mm UT)
Additional Information : (multiple lines)
6. Frequency Standard
6.1 Standard Type : INTERNAL
Frequency :
Effective Dates : 24-APR-1996 - dd-MMM-yyyy
Notes : (multiple lines)
6.x Standard Type : (H-MASER/CESIUM/QUARTZ/INTERNAL/RUBIDIUM)
Frequency :
Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy)
Notes : (multiple lines)
7. Collocation Information
7.x Instrumentation Type : (DORIS/GLONASS/PRARE/SLR/VLBI)
Status : (PERMANENT/MOBILE)
Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy)
Notes : (multiple lines)
8. Meteorological Instrumentation
8.1 Humidity Sensor Model :
Manufacturer :
Data Frequency :
Accuracy (% rel h) : (% rel h)
Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy)
Notes : (multiple lines)
8.2 Pressure Sensor Model :
Manufacturer :
Data Frequency :
Accuracy (mbar) : (mbar)
Height Diff to GPS (m) : (m)
Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy)
Notes : (multiple lines)
8.3 Temperature Sensor Model :
Manufacturer :
Data Frequency :
Accuracy (deg C) : (deg C)
Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy)
Notes : (multiple lines)
8.4 Water Vapor Radiometer :
Manufacturer :
Distance to GPS (m) : (m)
Elev Diff to GPS (m) : (m)
Effective Dates : (dd-MMM-yyyy - dd-MMM-yyyy)
Notes : (multiple lines)
8.5 Other Instrumentation : (multiple lines)
9. On-Site, Point of Contact Agency Information
Agency : SOPAC, Scripps Institution of Oceanography
Mailing Address : IGPP, MS 0225
: UC, San Diego
: 9500 Gilman Drive
: La Jolla, CA 92093
Primary Contact
Contact Name : Jeff Dean
Telephone (primary) : 619-534-8487
Telephone (secondary) : 619-534-7692
Fax : 619-534-9873
E-mail : jdean at pgga.ucsd.edu
Secondary Contact
Contact Name : Frank Wyatt/Duncan Agnew
Telephone (primary) : 619-534-2411
Telephone (secondary) : 619-534-0229
Fax : 619-534-9873
E-mail : wyatt at ramsden.ucsd.edu
Additional Information : (multiple lines)
10. Responsible Agency (if different from 9.)
Agency : (multiple lines)
Mailing Address : (multiple lines)
Primary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Secondary Contact
Contact Name :
Telephone (primary) :
Telephone (secondary) :
Fax :
E-mail :
Additional Information : (multiple lines)
11. More Information
URL for More Information :
Hardcopy on File
Site Map : (N)
Site Diagram : (N)
Horizon Mask : (N)
Monument Description : (N)
Site Pictures : (N)
Additional Information : (multiple lines)
Antenna Graphics with Dimensions
ASHTECH w/DORNE MARGOLIN Choke Ring (& Radome)
-----
/ + \ <-- 0.128 L2
| + | <-- 0.110 L1
+--------------------------------------------------+ <-- 0.102 TCR
| |
| |
| |
| |
+-+--------------------------------------------------+-+ <-- 0.038 BCR
+-------------------+-------------+--------------------+ <-- 0.035 BGP
| |
=| |
+------x------+ <-- 0.000 ARP
<-- 0.381 -->
NOTE: Dimensions and Offsets Presumed to be same
as for TURBOROGUE DM-T (tests pending)
ARP: Antenna Reference Point
L1 : L1 Phase Center L2 : L2 Phase Center
TCR: Top of Chokering BCR: Bottom of Chokering
TGP: Top of Ground Plane BGP: Bottom of Ground Plane
[Mailed From: Geodesy Lab account <pgga at pgga.ucsd.edu>]
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