VIS0 Site Information Form (site log)
     International GPS Service
     
0.   Form

     Prepared by (full name)  : Christina Kempe
     Date Prepared            : 2004-12-08
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : vis0_20040721.log
      Modified/Added Sections : 13


1.   Site Identification of the GNSS Monument

     Site Name                : Visby
     Four Character ID        : VIS0
     Monument Inscription     : Visby SWEPOS 1993
     IERS DOMES Number        : 10423M001
     CDP Number               : 
     Monument Description     : PILLAR
       Height of the Monument : 
       Monument Foundation    : 
       Foundation Depth       : 
     Marker Description       : 
     Date Installed           : 1993-08-01T00:00Z
     Geologic Characteristic  : BEDROCK
       Bedrock Type           : 
       Bedrock Condition      : FRESH
       Fracture Spacing       : over 200 cm
       Fault zones nearby     : 
         Distance/activity    : 
     Additional Information   : Swedish permanent GPS network 3D
				(SWEPOS).
                              : Former VS0G.

2.   Site Location Information

     City or Town             : Visby
     State or Province        : 
     Country                  : Sweden
     Tectonic Plate           : Eurasian
     Approximate Position (ITRF)
       X coordinate (m)       : 3246470.5614
       Y coordinate (m)       : 1077900.3132
       Z coordinate (m)       : 5365277.9025
       Latitude (N is +)      : +573913.92
       Longitude (E is +)     : +0182202.32
       Elevation (m,ellips.)  : 00079.8 
     Additional Information   : SWEREF 99 (Swedish realisation of ETRS89).

3.   GNSS Receiver Information

3.1  Receiver Type            : ASHTECH GG24C
     Satellite System         : GPS+GLONASS
     Serial Number            : GD31550
     Firmware Version         : GG00
     Elevation Cutoff Setting : 
     Date Installed           : 1998-08-01
     Date Removed             : 1998-12-04
     Temperature Stabiliz.    : 
     Additional Information   : 

3.2  Receiver Type            : ASHTECH GG24C
     Satellite System         : GPS+GLONASS
     Serial Number            : GD31150
     Firmware Version         : GF00
     Elevation Cutoff Setting : 
     Date Installed           : 1998-12-04
     Date Removed             : 1999-11-11
     Temperature Stabiliz.    : 
     Additional Information   : See section 10.1

3.3  Receiver Type            : ASHTECH GG24C
     Satellite System         : GPS+GLONASS
     Serial Number            : GD31550
     Firmware version	      : GH12
     Elevation Cutoff Setting : 5
     Date Installed           : 1999-11-11
     Date Removed             : 2002-03-15
     Temperature Stabiliz.    : 
     Additional Information   : See section 10.2

3.4  Receiver Type            : ASHTECH Z18
     Satellite System         : GPS+GLONASS
     Serial Number            : ZX00114
     Firmware Version         : 0065
     Elevation Cutoff Setting : 5
     Date Installed           : 2002-03-15
     Date Removed             : 2003-08-19
     Temperature Stabiliz.    : 
     Additional Information   : 

3.5  Receiver Type            : JPS E_GGD
     Satellite System         : GPS+GLONASS
     Serial Number            : AE5WWG82EWW
     Firmware Version         : 2.2 Apr,05,2002 p2
     Elevation Cutoff Setting : 5
     Date Installed           : 2003-08-19
     Date Removed             : 2004-07-21T10:45Z
     Temperature Stabiliz.    : 22-28 degrees C
     Additional Information   : 

3.6  Receiver Type            : JPS E_GGD
     Satellite System         : GPS+GLONASS
     Serial Number            : AE5WWG82EWW
     Firmware Version         : 2.3 Apr,28,2004 p4
     Elevation Cutoff Setting : 5
     Date Installed           : 2004-07-21T10:45Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : 22-28 degrees C
     Additional Information   : Firmware upgrade.

3.x  Receiver Type            : 
     Satellite System         : (GPS/GLONASS/GPS+GLONASS)
     Serial Number            : 
     Firmware Version         : 
     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)
                              : (multiple lines)

4.   GNSS Antenna Information

4.1  Antenna Type             : AOAD/M_T
     Serial Number            : 253
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0710
     Marker->ARP North Ecc(m) : 0.000
     Marker->ARP East Ecc(m)  : 0.000
     Alignment from True N    : 
     Antenna Radome Type      : DUTD
     Radome Serial Number     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 1993-08-01
     Date Removed             : 1995-06-14
     Additional Information   : 

4.2  Antenna Type             : AOAD/M_T
     Serial Number            : 253
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0710
     Marker->ARP North Ecc(m) : 0.000
     Marker->ARP East Ecc(m)  : 0.000
     Alignment from True N    : 
     Antenna Radome Type      : DOME
     Radome Serial Number     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 1995-06-14
     Date Removed             : 1996-06-25
     Additional Information   : 

4.3  Antenna Type             : AOAD/M_T
     Serial Number            : 253
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0710
     Marker->ARP North Ecc(m) : 0.000
     Marker->ARP East Ecc(m)  : 0.000
     Alignment from True N    : 
     Antenna Radome Type      : NONE
     Radome Serial Number     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 1996-06-25
     Date Removed             : 1996-11-08
     Additional Information   : 

4.4  Antenna Type             : AOAD/M_T
     Serial Number            : 253
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0710
     Marker->ARP North Ecc(m) : 0.000
     Marker->ARP East Ecc(m)  : 0.000
     Alignment from True N    : 
     Antenna Radome Type      : OSOD
     Radome Serial Number     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 1996-11-08
     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)
                              : (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   : Same antenna/pillar as VIS0 (EUREF)

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   : 

6.   Frequency Standard

6.1  Standard Type            : INTERNAL
       Input Frequency        : 
       Effective Dates        : 1998-09-01/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)
                              : (multiple lines)

7.   Collocation Information

7.1  Instrumentation Type     : GPS
       Status                 : PERMANENT
       Effective Dates        : 1993-08-01/CCYY-MM-DD
       Notes                  : 

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)
                              : (multiple lines)

8.   Meteorological Instrumentation

8.1.1 Humidity Sensor Model   : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : 
       Accuracy (% rel h)     : 
       Aspiration             : 
       Height Diff to Ant     : 
       Calibration date       : 
       Effective Dates        : 
       Notes                  : 

8.2.1 Pressure Sensor Model   : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : 
       Accuracy               : 
       Height Diff to Ant     : 
       Calibration date       : 
       Effective Dates        : 
       Notes                  : 

8.3.1 Temp. Sensor Model      : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : 
       Accuracy               : 
       Aspiration             : 
       Height Diff to Ant     : 
       Calibration date       : 
       Effective Dates        : 
       Notes                  : 

8.4.1 Water Vapor Radiometer  : 
       Manufacturer           : 
       Serial Number          : 
       Distance to Antenna    : 
       Height Diff to Ant     : 
       Calibration date       : 
       Effective Dates        : 
       Notes                  : 
                              : 

8.5.1 Other Instrumentation   : 
                              : 

9.  Local Ongoing Conditions Possibly Affecting Computed Position

9.1.1 Radio Interferences     : 
       Observed Degradations  : 
       Effective Dates        : 
       Additional Information : 

9.2.1 Multipath Sources       : 
       Effective Dates        : 
       Additional Information : 

9.3.1 Signal Obstructions     : 
       Effective Dates        : 
       Additional Information : 

10.  Local Episodic Effects Possibly Affecting Data Quality

10.1 Date                     : 1999-08-30
     Event                    : Firmware upgrade (GF00 -> GJ00)

10.2 Date                     : 2000-11-10
     Event                    : Firmware upgrade (GH12 -> GM00)

11.   On-Site, Point of Contact Agency Information

     Agency                   : National Land Survey
				(Lantmaeteriverket)
     Preferred Abbreviation   : LMV
     Mailing Address          : S-801 82 Gaevle
                              : Sweden
     Primary Contact
       Contact Name           : SWEPOS Control Centre
       Telephone (primary)    : +46 26 633753
       Telephone (secondary)  :
       Fax                    : +46 26 654275
       E-mail                 : swepos@lm.se
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     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      : BKGE
     Secondary Data Center    : IGNE
     URL for More Information : 
     Hardcopy on File
       Site Map               : Y
       Site Diagram           : Y
       Horizon Mask           : Y
       Monument Description   : Y
       Site Pictures          : Y
     Additional Information   : 
     Antenna Graphics with Dimensions

     AOAD/M_T

                         -----
                     /     +     \                        <--  0.128  L2
                    |      +      |                       <--  0.110  L1
  +--------------------------------------------------+    <--  0.102  TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <--  0.038
+-------------------+-------------+--------------------+  <--  0.035  BCR
                    |             |
                   =|             |
                    +------x------+                       <--  0.000  BPA=ARP

<--                      0.381                       -->



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