COMO Site Information Form (site log) International GPS Service See Instructions at: ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Ludovico Biagi,Marco Scuratti Date Prepared : 2005-12-15 Report Type : UPDATE If Update: Previous Site Log : como_20051219.log Modified/Added Sections : 13 1. Site Identification of the GNSS Monument Site Name : COMO Four Character ID : COMO Monument Inscription : Stable pillar on the roof (Marker R) IERS DOMES Number : 12761M001 CDP Number : (A4) Monument Description : PILLAR Height of the Monument : 0.90 Monument Foundation : ROOF Foundation Depth : (m) Marker Description : BRASS NAIL Date Installed : 2000-12-18 Geologic Characteristic : CLAY/SAND Bedrock Type : SEDIMENTARY Bedrock Condition : FRESH Fracture Spacing : (1-10 cm/11-50 cm/51-200 cm/over 200 cm) Fault zones nearby : NO Distance/activity : (multiple lines) Additional Information : (multiple lines) 2. Site Location Information City or Town : Como State or Province : Lombardia Country : Italy Tectonic Plate : Adriatic Plate Approximate Position (ITRF) X coordinate (m) : 4398306.280 Y coordinate (m) : 704149.872 Z coordinate (m) : 4550154.677 Latitude (N is +) : +454807.78 Longitude (E is +) : +0090544.23 Elevation (m,ellips.) : 00292.3 Additional Information : (multiple lines) 3. GNSS Receiver Information 3.1 Receiver Type : TRIMBLE 4000SSI Satellite System : GPS Serial Number : 00030152 Firmware Version : NAV 7.19 SIG 3.04 Elevation Cutoff Setting : 5 Date Installed : 2001-04-15 Date Removed : 2005-12-15 Temperature Stabiliz. : none Additional Information : (multiple lines) 3.2 Receiver Type : TPS E_GGD Satellite System : GPS+GLONASS Serial Number : 8PRM6AZ2EBK Firmware Version : 2.5 Jun,22,2005 p1 Elevation Cutoff Setting : 5 Date Installed : 2005-12-15 Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : (multiple lines) 3.x Receiver Type : (A20, from rcvr_ant.tab; see instructions) Satellite System : (GPS/GLONASS/GPS+GLONASS) 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 : TRM29659.00 NONE Serial Number : 0220227653 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.1134 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : NIKON RG213 Antenna Cable Length : 40 Date Installed : 2001-04-15 Date Removed : 2005-12-15 Additional Information : (multiple lines) 4.2 Antenna Type : TPSCR3_GGD CONE Serial Number : 217-0400 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 000.2134 Marker->ARP North Ecc(m) : 000.0000 Marker->ARP East Ecc(m) : 000.0000 Alignment from True N : 0 Antenna Radome Type : CONE Radome Serial Number : Antenna Cable Type : ANDREW FSJ1-50A Antenna Cable Length : 40 Date Installed : 2005-12-15 Date Removed : CCYY-MM-DDThh:mmZ Additional Information : (multiple lines) 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.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 : (if external) Effective Dates : 2001-04-15/CCYY-MM-DD Notes : (multiple lines) 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 7.1 Instrumentation Type : GPS Status : PERMANENT Effective Dates : 2001-09-21/2005-12-15 Notes : (multiple lines) 7.2 Instrumentation Type : GPS Status : PERMANENT Effective Dates : 2005-12-15/CCYY-MM-DD Notes : (multiple lines) 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.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.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.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/BUILDLINGS/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 : Politecnico di Milano : Polo Regionale di Como : Laboratorio di Geomatica Preferred Abbreviation : POLIMI Mailing Address : Via Valleggio 11 : 22100 Como - Italy Primary Contact Contact Name : Ludovico Biagi Telephone (primary) : +39-031-3327562 Telephone (secondary) : Fax : +39-031-3327519 E-mail : ludovico.biagi@polimi.it Secondary Contact Contact Name : Marco Scuratti Telephone (primary) : +39-031-3327537 Telephone (secondary) : Fax : +39-031-3327519 E-mail : info@gpslombardia.it Additional Information : (multiple lines) 12. Responsible Agency (if different from 11.) Agency : (multiple lines) Preferred Abbreviation : (A10) 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) 13. More Information Primary Data Center : OLG Secondary Data Center : BKG URL for More Information : http://www.gpslombardia.it Hardcopy on File Site Map : (Y or URL) Site Diagram : (Y or URL) Horizon Mask : (Y or URL) Monument Description : http://geomatica.como.polimi.it Site Pictures : Y Additional Information : (multiple lines) Antenna Graphics with Dimensions TPSCR3_GGD --------- / + \ <-- 0.104 L2 | + | <-- 0.081 L1 +--------------------------------------------------+ <-- 0.071 TCR | | | | | | | | +-----------------+-------------+------------------+ <-- 0.003 BCR +-----x-----+ <-- 0.000 BPA=ARP | | | | Antenna Height = 0.2134 M | | | --------------------------x------------------------- <-- 0.326 --> BPA: Bottom of Preamplifier BCR: Bottom of Choke Ring L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Choke Ring