MALD Site Information Form (site log) International GNSS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Eric C. Kendrick Date Prepared : 2001-05-22 Report Type : NEW If Update: Previous Site Log : mald0105.log Modified/Added Sections : (n.n,n.n,...) 1. Site Identification of the GNSS Monument Site Name : Maldives Tide Gauge Four Character ID : MALD Monument Inscription : none IERS DOMES Number : 22901S001 CDP Number : Monument Description : Height of the Monument : Monument Foundation : Foundation Depth : Marker Description : Date Installed : 1999-08-12T07:50Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : Antenna is fixed to an aluminum post ~ 2.3m : high. Post base has a flange that is bolted : to a concrete dock. : Geodetic reference point is top-center of : aluminum post. 2. Site Location Information City or Town : Male Airport State or Province : Hulhule Island Country : Maldives Tectonic Plate : INDIAN Approximate Position (ITRF) X coordinate (m) : 1803858. Y coordinate (m) : 6099998. Z coordinate (m) : 462749. Latitude (N is +) : +041119.32 Longitude (E is +) : +0733134.68 Elevation (m,ellips.) : -92 Additional Information : Reference frame used is ITRF97. : Coordinate system used is WGS84. 3. GNSS Receiver Information 3.1 Receiver Type : LEICA CRS1000 Satellite System : GPS Serial Number : 7125 Firmware Version : 8.01 Elevation Cutoff Setting : Date Installed : 1999-08-12T07:50Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : Additional Information : receiver appears to be a LEICA MC1000 : but before the RX was installed the board : was replaced with a new CRS1000 board 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS+GLO+GAL+BDS+QZSS+SBAS) Serial Number : (A20, but note the first A5 is used in SINEX) Firmware Version : (A11) Elevation Cutoff Setting : (deg) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Temperature Stabiliz. : (none or tolerance in degrees C) Additional Information : (multiple lines) 4. GNSS Antenna Information 4.1 Antenna Type : LEIAT504 LEIS Serial Number : 231 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.0000 Marker->ARP North Ecc(m) : Marker->ARP East Ecc(m) : Alignment from True N : 0 deg Antenna Radome Type : LEIS Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1999-08-12T07:50Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : 4.x Antenna Type : (A20, from rcvr_ant.tab; see instructions) Serial Number : (A*, but note the first A5 is used in SINEX) Antenna Reference Point : (BPA/BCR/XXX from "antenna.gra"; see instr.) Marker->ARP Up Ecc. (m) : (F8.4) Marker->ARP North Ecc(m) : (F8.4) Marker->ARP East Ecc(m) : (F8.4) Alignment from True N : (deg; + is clockwise/east) Antenna Radome Type : (A4 from rcvr_ant.tab; see instructions) Radome Serial Number : Antenna Cable Type : (vendor & type number) Antenna Cable Length : (m) Date Installed : (CCYY-MM-DDThh:mmZ) Date Removed : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 5. Surveyed Local Ties 5.1 Tied Marker Name : Tied Marker Usage : Tied Marker CDP Number : Tied Marker DOMES Number : Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 5.x Tied Marker Name : Tied Marker Usage : (SLR/VLBI/LOCAL CONTROL/FOOTPRINT/etc) Tied Marker CDP Number : (A4) Tied Marker DOMES Number : (A9) Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : (m) dy (m) : (m) dz (m) : (m) Accuracy (mm) : (mm) Survey method : (GPS CAMPAIGN/TRILATERATION/TRIANGULATION/etc) Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : (multiple lines) 6. Frequency Standard 6.1 Standard Type : INTERNAL Input Frequency : Effective Dates : 1999-08-12/CCYY-MM-DD Notes : 6.x Standard Type : (INTERNAL or EXTERNAL H-MASER/CESIUM/etc) Input Frequency : (if external) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 7. Collocation Information 7.x Instrumentation Type : (GPS/GLONASS/DORIS/PRARE/SLR/VLBI/TIME/etc) Status : (PERMANENT/MOBILE) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8. Meteorological Instrumentation 8.1.1 Humidity Sensor Model : MET-3 Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 600 sec Accuracy (% rel h) : 2 Aspiration : Height Diff to Ant : Calibration date : (CCYY-MM-DD) Effective Dates : 1999-08-12/CCYY-MM-DD Notes : serial number 8.1.x Humidity Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy (% rel h) : (% rel h) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.2.1 Pressure Sensor Model : MET-3 Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 600 sec Accuracy : 0.1 hPa Height Diff to Ant : 0 m Calibration date : (CCYY-MM-DD) Effective Dates : 1999-08-12/CCYY-MM-DD Notes : serial number 8.2.x Pressure Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (hPa) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.3.1 Temp. Sensor Model : MET-3 Manufacturer : Paroscientific Serial Number : Data Sampling Interval : 600 sec Accuracy : 0.5 deg C Aspiration : Height Diff to Ant : Calibration date : Effective Dates : 1999-08-12/CCYY-MM-DD Notes : serial number 8.3.x Temp. Sensor Model : Manufacturer : Serial Number : Data Sampling Interval : (sec) Accuracy : (deg C) Aspiration : (UNASPIRATED/NATURAL/FAN/etc) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.4.x Water Vapor Radiometer : Manufacturer : Serial Number : Distance to Antenna : (m) Height Diff to Ant : (m) Calibration date : (CCYY-MM-DD) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Notes : (multiple lines) 8.5.x Other Instrumentation : (multiple lines) 9. Local Ongoing Conditions Possibly Affecting Computed Position 9.1.x Radio Interferences : (TV/CELL PHONE ANTENNA/RADAR/etc) Observed Degradations : (SN RATIO/DATA GAPS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.2.x Multipath Sources : (METAL ROOF/DOME/VLBI ANTENNA/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 9.3.x Signal Obstructions : (TREES/BUILDINGS/etc) Effective Dates : (CCYY-MM-DD/CCYY-MM-DD) Additional Information : (multiple lines) 10. Local Episodic Effects Possibly Affecting Data Quality 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : Pacific GPS Facility Preferred Abbreviation : Mailing Address : POST Room 602 : 1680 East West Road : Honolulu, HI 96822 Primary Contact Contact Name : Dana Caccamise Telephone (primary) : (808) 956 2581 Telephone (secondary) : (808) 956 2360 Fax : (808) 956 3188 E-mail : gps@soest.hawaii.edu Secondary Contact Contact Name : James Foster Telephone (primary) : (808) 956 2360 Telephone (secondary) : Fax : (808) 956 3188 E-mail : gps@soest.hawaii.edu Additional Information : 12. Responsible Agency (if different from 11.) Agency : Preferred Abbreviation : Mailing Address : Primary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Secondary Contact Contact Name : Telephone (primary) : Telephone (secondary) : Fax : E-mail : Additional Information : 13. More Information Primary Data Center : SIO Secondary Data Center : NONE URL for More Information : Hardcopy on File Site Map : Site Diagram : () Horizon Mask : () Monument Description : () Site Pictures : () Additional Information : Antenna Graphics with Dimensions Leica : LEIAT504 LEIS ----- / + \ <-- 0.1282 L2 | + | <-- 0.1093 L1 +--------------------------------------------------+ <-- 0.102 TCR | | | | | | | | +-+--------------------------------------------------+-+ <-- 0.038 +-------------------+-------------+--------------------+ <-- 0.035 BCR | | =| | +=====|x|=====+ <-- 0.000 ARP | | | | | | | | | | | | | | <-- 0.381 --> 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 TPA: Top of Preamplifier BPA: Bottom of Preamplifier