SL1X Site Information Form
     GPS/GLONASS Campaign IGEX98


0.   Form

     Prepared by (full name)  : Brian P. Burke
     Date Prepared            : 15-OCT-1998
     Report Type              : UPDATE
     Prepared Using           :


1.   Site Identification of the GPS/GLONASS Monument

     Site Name                : MIT/LL South Lab
     Four Character ID        : SL1X
     Monument Inscription     : N/A
     IERS DOMES Number        : 40446S001
     CDP Number               : 
     Monument Description     : ARP/701073 ASHTECH CHOKE RING
     Date Installed           : 13-OCT-1998
     Geologic Characteristic  : (BEDROCK/CLAY/CONGLOMERATE/GRAVEL/SAND/etc)
       Bedrock Type           : (IGNEOUS/METAMORPHIC/SEDIMENTARY)
       Bedrock Condition      : (FRESH/JOINTED/WEATHERED)
       Fracture Spacing       : (1-10 cm/10-50 cm/50-200 cm/over 200 cm)
       Notes                  : (multiple lines)
     Additional Information   : (multiple lines)


2.   Site Location Information

     City or Town             : Lexington
     State or Province        : Massachusetts
     Country                  : U.S.A.
     Tectonic Plate           : North America
     Approximate Position
       X coordinate (m)       : 1513678.546
       Y coordinate (m)       : -4463031.559
       Z coordinate (m)       : 4283533.473
       Latitude (deg)         : 42.4595 N
       Longitude (deg)        : 071.2652 W
       Elevation (m)          : 54.72
     Additional Information   : (multiple lines)


3.   Receiver Information

3.1  Receiver Type            : ASHTECH Z18
     Satellite System         : GPS+GLONASS
     Serial Number            : ZX00123
     Firmware Version         : 0057/ZT12
     Date Installed           : 13-OCT-1998
     Date Removed             : 26-OCT-1998
     Additional Information   : 

3.2  Receiver Type            : ASHTECH Z18
     Satellite System         : GPS+GLONASS
     Serial Number            : ZX00103
     Firmware Version         : 0057/ZT12
     Date Installed           : 27-OCT-1998
     Date Removed             : 
     Additional Information   : 


4.   Antenna Information

4.1  Antenna Type             : 701073 ASHTECH CHOKE RING
     Serial Number            : 
     Antenna Height (m)       : 0.0 (m)
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      : NONE
     Date Installed           : 13-OCT-1998
     Date Removed             : 
     Additional Information   : 


5.   Local Site Ties

5.1  Monument Name            :
     Site Ref CDP Number      : (XXXX)
     Site Ref Domes Number    : (XXXXXXXXX)
     Differential Components from GPS/GLONASS Marker 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        : 13-OCT-1998-
       Notes                  : 


7.   Collocation Information

7.1  Instrumentation Type     : (GPS/GLONASS/DORIS/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    : MET3
       Manufacturer           : PAROSCIENTIFIC
       Data Frequency         : 5 MIN
       Accuracy (% rel h)     : 2
       Effective Dates        : 15-OCT-1998-
       Notes                  : (multiple lines)

8.2  Pressure Sensor Model    : MET3
       Manufacturer           : PAROSCIENTIFIC
       Data Frequency         : 5 MIN
       Accuracy (mbar)        : 0.1
       Height Diff to Ant (m) : 0.0
       Effective Dates        : 15-OCT-1998-
       Notes                  : (multiple lines)

8.3  Temperature Sensor Model : MET3
       Manufacturer           : PAROSCIENTIFIC
       Data Frequency         : 5 MIN
       Accuracy (deg C)       : 0.5
       Effective Dates        : 15-OCT-1998-
       Notes                  : (multiple lines)

8.4  Water Vapor Radiometer   :
       Manufacturer           :
       Distance to Antenna (m): (m)
       Elev Diff to Ant (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                   : MIT Lincoln Laboratory
     Mailing Address          : 244 Wood Street
                                Lexington, MA  02421
     Primary Contact
       Contact Name           : Brian Burke
       Telephone (primary)    : 781-981-0839
       Telephone (secondary)  :
       Fax                    : 781-981-3495
       E-mail                 : BPBurke@ll.mit.edu
     Secondary Contact
       Contact Name           : Pratap Misra
       Telephone (primary)    : 781-981-3346
       Telephone (secondary)  :
       Fax                    : 781-981-3495
       E-mail                 : Misra@ll.mit.edu
     Additional Information   : 


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               : (Y)
       Site Diagram           : (Y)
       Horizon Mask           : (Y)
       Monument Description   : (Y)
       Site Pictures          : (Y)
     Additional Information   : (multiple lines)
     Antenna Graphics with Dimensions

     (insert text graphic)


12.  Local Events Possibly Affecting Computed Position

12.1  Date                    : (dd-MMM-yyyy hh:mm UT)
      Event                   : (multiple lines)