Subject: [IGSMAIL-4181]: STJO - New Site Log - H.Maser Freq. Std.
From: ACS data <[email-masked]>
To: [email-masked]
Cc: [email-masked]
Date: Mon, 2 Dec 2002 21:25:21 +0000 (GMT)

******************************************************************************
IGS Electronic Mail      02 Dec 13:25:43 PST 2002      Message Number 4181
******************************************************************************

AUTHOR: Stephen Delahunt

2002-11-27   : Cesium replaced with Active Hydrogen Maser at 13:30UT

Site Log Follows:

     STJO Site Information Form
     See Instructions at:
       ftp://igscb.jpl.nasa.gov/pub/station/general/sitelog_instr.txt
     International GPS Service for Geodynamics

0.   Form

     Prepared by (full name)  : Peter Taylor
     Date Prepared            : 2002-12-02
     Report Type              : UPDATE
     If Update:                 
      Previous Site Log       : stjo_20000529.log
      Modified/Added Sections : 
 
1.   Site Identification of the GNSS Monument

     Site Name                : STJO CACS-ACP
     Four Character ID        : STJO
     Monument Inscription     : 920000
     IERS DOMES Number        : 40101M001
     CDP Number               : 
     Monument Description     : 
       Height of the Monument : 
       Monument Foundation    : 
       Foundation Depth       : 
     Marker Description       : 
     Date Installed           : 1992-05-24
     Geologic Characteristic  : BEDROCK
       Bedrock Type           : SEDIMENTARY
       Bedrock Condition      : WEATHERED
       Fracture Spacing       : 10-50 cm
       Fault zones nearby     : 
         Distance/activity    : 
     Additional Information   : The GPS reference mark consists of a brass plate
                              : with a forced centering stainless steel bolt    
                              : embedded on top of a 1.5 metre high concrete    
                              : pier, 40 cm in diameter. The concrete pier is   
                              : anchored to exposed bedrock by stainless steel  
                              : reinforcing bars to a depth of 3 m.             

2.   Site Location Information

     City or Town             : ST. JOHN'S                    
     State or Province        : Newfoundland         
     Country                  : CANADA         
     Tectonic Plate           : North American      
     Approximate Position (ITRF)
       X coordinate (m)       :    2612631.20
       Y coordinate (m)       :   -3426807.00
       Z coordinate (m)       :    4686757.80
       Latitude (N is +)      :     473542.72
       Longitude (E is +)     :    3071120.04
       Elevation (m,ellips.)  :        153.90
     Additional Information   : Located at Geological Survey of Canada (NRCan), 
                              : Geophysics Division geo-magnetic site.          

3.   GNSS Receiver Information      

3.1  Receiver Type            : ROGUE SNR-8C        
     Satellite System         : GPS                 
     Serial Number            : CR310/DIS                     
     Firmware Version         : MEENIX 7.?                     
     Elevation Cutoff Setting : 
     Date Installed           : 1992-05-24T00:00Z
     Date Removed             : 1992-12-21T00:00Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.2  Receiver Type            : ROGUE SNR-8C        
     Satellite System         : GPS                 
     Serial Number            : CR310/DIS                     
     Firmware Version         : MEENIX 7.3                     
     Elevation Cutoff Setting : 
     Date Installed           : 1992-12-21T00:00Z
     Date Removed             : 1994-02-25T20:00Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.3  Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T164                          
     Firmware Version         : TURBO 2.8                      
     Elevation Cutoff Setting : 
     Date Installed           : 1994-02-26T00:10Z
     Date Removed             : 1995-02-26T12:00Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.4  Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T230                          
     Firmware Version         : TURBO 3.0.32.2                 
     Elevation Cutoff Setting : 
     Date Installed           : 1995-02-26T13:28Z
     Date Removed             : 1995-03-02T15:00Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.5  Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T161                          
     Firmware Version         : TURBO 3.0.32.2                 
     Elevation Cutoff Setting : 
     Date Installed           : 1995-03-02T15:00Z
     Date Removed             : 1995-10-12T19:33Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.6  Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T161                          
     Firmware Version         : TURBO 3.2.32.1                 
     Elevation Cutoff Setting : 
     Date Installed           : 1995-10-12T19:33Z
     Date Removed             : 1995-11-03T12:30Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.7  Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T230                          
     Firmware Version         : TURBO 3.2.32.1                 
     Elevation Cutoff Setting : 
     Date Installed           : 1995-11-03T12:30Z
     Date Removed             : 1996-08-01T22:00Z
     Temperature Stabiliz.    : NONE
     Additional Information   : 
 
3.8  Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T161                          
     Firmware Version         : TURBO 3.2.32.6X                
     Elevation Cutoff Setting : 10
     Date Installed           : 1996-08-01T22:00Z
     Date Removed             : 1996-12-14T00:00Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.9  Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T161                          
     Firmware Version         : TURBO 3.2.32.5X                
     Elevation Cutoff Setting : 10
     Date Installed           : 1996-12-14T00:00Z
     Date Removed             : 1997-01-30T20:02Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.10 Receiver Type            : ROGUE SNR-12 RM     
     Satellite System         : GPS                 
     Serial Number            : 236                           
     Firmware Version         : TURBO 3.2.32.5X                
     Elevation Cutoff Setting : 10
     Date Installed           : 1997-01-30T21:20Z
     Date Removed             : 1997-06-23T13:28Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.11 Receiver Type            : ROGUE SNR-12 RM     
     Satellite System         : GPS                 
     Serial Number            : 234                           
     Firmware Version         : TURBO 3.2.32.5X                
     Elevation Cutoff Setting : 10
     Date Installed           : 1997-06-24T17:34Z
     Date Removed             : 1999-02-08T20:11Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.12 Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T305                          
     Firmware Version         : TURBO 3.2.32.5X                
     Elevation Cutoff Setting : 10
     Date Installed           : 1999-02-08T21:11Z
     Date Removed             : 1999-02-22T20:35Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.13 Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T350                          
     Firmware Version         : TURBO 3.2.32.5X                
     Elevation Cutoff Setting : 10
     Date Installed           : 1999-02-22T22:00Z
     Date Removed             : 1999-07-29T23:59Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.14 Receiver Type            : AOA SNR-12 ACT      
     Satellite System         : GPS                 
     Serial Number            : 234-U                         
     Firmware Version         : 3.3.32.2N                      
     Elevation Cutoff Setting : 10
     Date Installed           : 1999-07-30T00:00Z
     Date Removed             : 1999-07-31T23:59Z
     Temperature Stabiliz.    : NONE
     Additional Information   : Tracking problems                               
 
3.15 Receiver Type            : ROGUE SNR-8000      
     Satellite System         : GPS                 
     Serial Number            : T350                          
     Firmware Version         : TURBO 3.2.32.5X                
     Elevation Cutoff Setting : 10
     Date Installed           : 1999-08-01T00:00Z
     Date Removed             : 1999-08-05T23:59Z
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 
 
3.16 Receiver Type            : AOA SNR-12 ACT      
     Satellite System         : GPS                 
     Serial Number            : 204-U                         
     Firmware Version         : 3.3.32.2N                      
     Elevation Cutoff Setting : 10
     Date Installed           : 1999-08-06T00:00Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Temperature Stabiliz.    : NONE
     Additional Information   :                                                 

4.   GPS Antenna Information       

4.1  Antenna Type             : AOAD/M_B            
     Serial Number            : 114                           
     Antenna Reference Point  : BCR                 
     Marker->ARP Up Ecc. (m)  : 0.1620 
     Marker->ARP North Ecc(m) : 0.0000 
     Marker->ARP East Ecc(m)  : 0.0000 
     Alignment from True N    : 
     Antenna Radome Type      : NONE                
     Radome Serial Number     :                               
     Antenna Cable Type       :                               
     Antenna Cable Length     : 
     Date Installed           : 1992-05-24T00:00Z
     Date Removed             : 1994-03-14T15:00Z
     Additional Information   :                                                 
 
4.2  Antenna Type             : AOAD/M_T            
     Serial Number            : 171                           
     Antenna Reference Point  : BPA                 
     Marker->ARP Up Ecc. (m)  : 0.0030 
     Marker->ARP North Ecc(m) : 0.0000 
     Marker->ARP East Ecc(m)  : 0.0000 
     Alignment from True N    : 
     Antenna Radome Type      : NONE                
     Radome Serial Number     :                               
     Antenna Cable Type       :                               
     Antenna Cable Length     : 
     Date Installed           : 1994-03-14T20:03Z
     Date Removed             : 1995-02-26T12:00Z
     Additional Information   :                                                 
 
4.3  Antenna Type             : AOAD/M_T            
     Serial Number            : 366                           
     Antenna Reference Point  : BPA                 
     Marker->ARP Up Ecc. (m)  : 0.1000 
     Marker->ARP North Ecc(m) : 0.0000 
     Marker->ARP East Ecc(m)  : 0.0000 
     Alignment from True N    : 
     Antenna Radome Type      : NONE                
     Radome Serial Number     :                               
     Antenna Cable Type       :                               
     Antenna Cable Length     : 
     Date Installed           : 1995-02-26T13:28Z
     Date Removed             : 1995-03-02T21:50Z
     Additional Information   :                                                 
 
4.4  Antenna Type             : AOAD/M_T            
     Serial Number            : 171                           
     Antenna Reference Point  : BPA                 
     Marker->ARP Up Ecc. (m)  : 0.1000 
     Marker->ARP North Ecc(m) : 0.0000 
     Marker->ARP East Ecc(m)  : 0.0000 
     Alignment from True N    : 
     Antenna Radome Type      : NONE                
     Radome Serial Number     :                               
     Antenna Cable Type       :                               
     Antenna Cable Length     : 
     Date Installed           : 1995-03-02T21:56Z
     Date Removed             : 1995-11-03T12:30Z
     Additional Information   :                                                 
 
4.5  Antenna Type             : AOAD/M_T            
     Serial Number            : 388                           
     Antenna Reference Point  : BPA                 
     Marker->ARP Up Ecc. (m)  : 0.1000 
     Marker->ARP North Ecc(m) : 0.0000 
     Marker->ARP East Ecc(m)  : 0.0000 
     Alignment from True N    : 
     Antenna Radome Type      : NONE                
     Radome Serial Number     :                               
     Antenna Cable Type       :                               
     Antenna Cable Length     : 
     Date Installed           : 1995-11-03T12:30Z
     Date Removed             : 1996-07-31T00:00Z
     Additional Information   :                                                 
 
4.6  Antenna Type             : AOAD/M_T            
     Serial Number            : 284                           
     Antenna Reference Point  : BPA                 
     Marker->ARP Up Ecc. (m)  : 0.1000 
     Marker->ARP North Ecc(m) : 0.0000 
     Marker->ARP East Ecc(m)  : 0.0000 
     Alignment from True N    : 
     Antenna Radome Type      : NONE                
     Radome Serial Number     :                               
     Antenna Cable Type       :                               
     Antenna Cable Length     : 
     Date Installed           : 1996-08-01T22:00Z
     Date Removed             : 2000-05-26T20:20Z
     Additional Information   :                                                 
 
4.7  Antenna Type             : AOAD/M_T            
     Serial Number            : 362                           
     Antenna Reference Point  : BPA                 
     Marker->ARP Up Ecc. (m)  : 0.1000 
     Marker->ARP North Ecc(m) : 0.0000 
     Marker->ARP East Ecc(m)  : 0.0000 
     Alignment from True N    : 
     Antenna Radome Type      : NONE                
     Radome Serial Number     :                               
     Antenna Cable Type       : RG-214                        
     Antenna Cable Length     : 34.00 m.            
     Date Installed           : 2000-05-26T20:20Z
     Date Removed             : CCYY-MM-DDThh:mmZ
     Additional Information   :                                                 

5.   Surveyed Local Ties           

5.1  Tied Marker Name         : STJ1                
     Tied Marker Usage        : SLR                 
     Tied Marker CDP Number   : 1234
     Tied Marker DOMES Number : 40302S001
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 :    -133.4000
       dy (m)                 :     432.6000
       dz (m)                 :    -555.3100
     Accuracy (mm)            :      10.50  
     Survey method            : GPS CAMPAIGN        
     Date Measured            : 2000-05-21T15:10Z
     Additional Information   :                                                 

5.2  Tied Marker Name         : STJ2                
     Tied Marker Usage        : VLBI                
     Tied Marker CDP Number   : 1235
     Tied Marker DOMES Number : 40302S002
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 :    -331.2000
       dy (m)                 :     645.2000
       dz (m)                 :     358.7000
     Accuracy (mm)            :      20.00  
     Survey method            : TRILATERATION       
     Date Measured            : 2001-08-29T19:27Z
     Additional Information   :                                                 

5.3  Tied Marker Name         : STJ3                
     Tied Marker Usage        : LOCAL CONTROL       
     Tied Marker CDP Number   : 1236
     Tied Marker DOMES Number : 40302S003
     Differential Components from GNSS Marker to the tied monument (ITRS)
       dx (m)                 :     111.1000
       dy (m)                 :     222.2000
       dz (m)                 :    -333.3000
     Accuracy (mm)            :      30.00  
     Survey method            : TRIANGULATION       
     Date Measured            : 2002-04-26T08:35Z
     Additional Information   :                                                 

 
6.   Frequency Standard            

6.1  Standard Type            : RUBIDIUM            
       Input Frequency        : 5 MHZ               
       Effective Dates        : 1992-05-24/1995-11-03
       Notes                  :                                                 
 
6.2  Standard Type            : CESIUM              
       Input Frequency        : 5 MHZ               
       Effective Dates        : 1995-11-03/1998-08-24
       Notes                  :                                                 
 
6.3  Standard Type            : RUBIDIUM            
       Input Frequency        : 5 MHZ               
       Effective Dates        : 1998-08-24/1998-10-23
       Notes                  : Replaced by CESIUM at 19:30:00UT                
 
6.4  Standard Type            : CESIUM              
       Input Frequency        : 5 MHZ               
       Effective Dates        : 1998-10-23/1999-01-10
       Notes                  : Replaced by internal quartz at 22:45:00UT       
 
6.5  Standard Type            : QUARTZ              
       Input Frequency        : 5 MHZ               
       Effective Dates        : 1999-01-10/1999-01-12
       Notes                  : Replaced by Cesium at 03:13:00UT                
 
6.6  Standard Type            : CESIUM              
       Input Frequency        : 5 MHZ               
       Effective Dates        : 1999-01-12/2002-11-27
       Notes                  : Time of change 03:13:00UT                       
 
6.7  Standard Type            : H-MASER             
       Input Frequency        : 5 MHZ               
       Effective Dates        : 2002-11-27/CCYY-MM-DD
       Notes                  : Cesium replaced with Active Hydrogen Maser at   
                              : 13:30UT                                         

7.   Collocation Information       

7.1  Instrumentation Type     : GLONASS RECEIVER                                            
       Status                 : MOBILE              
       Effective Dates        : 2001-07-15
       Notes                  :                                                 
 
7.2  Instrumentation Type     : SUPERCONDUCTING GRAVIMETER                                  
       Status                 : PERMANENT           
       Effective Dates        : 2000-05-21/2001-07-15
       Notes                  :                                                 

8.   Meteorological Instrumentation

8.1.1  Humidity Sensor Model    : HMP-35A             
       Manufacturer             : VAISALA             
       Serial Number            : XXX                           
       Data Sampling Interval   :  900.00 SEC.        
       Accuracy (% rel h)       :  2.00  
       Aspiration               : NONE                
       Height Diff to Ant       : 
       Calibration date         :           
       Effective Dates          : 1996-06-01/CCYY-MM-DD
       Notes                    :                                                 
 
8.2.1  Pressure Sensor Model    : PTB-100A            
       Manufacturer             : VAISALA             
       Serial Number            : XXX                           
       Data Sampling Interval   :  900.00 SEC.        
       Accuracy                 :  0.10   Mbar.
       Aspiration               : NONE                
       Height Diff to Ant       : 
       Calibration date         :           
       Effective Dates          : 1996-06-01/CCYY-MM-DD
       Notes                    : Sensor readings compensated for temperature,
                                : non-linearity, calibration and height
                                : difference to GPS antennae.

8.3.1  Temp. Sensor Model       : YSI 44212           
       Manufacturer             : YSI                 
       Serial Number            : XXX                           
       Data Sampling Interval   :  900.00 SEC.        
       Accuracy                 :  0.20   deg. C.
       Aspiration               : NONE                
       Height Diff to Ant       : 
       Calibration date         :           
       Effective Dates          : 1996-06-01
       Notes                    : Sensor elevated 6 metres above ground level.

9.   Local Ongoing Conditions Possibly Affecting Computed Position: NONE

10.  Local Episodic Effects Possibly Affecting Data Quality: NONE

11.  On-Site, Point of Contact Agency Information           

     Agency                   : NRCan/GEODETIC SURVEY DIVISION
     Preferred Abbreviation   : NRCan/GSD
     Mailing Address          : 615 Booth St., Ottawa, Ontario                  
                              : CANADA, K1A 0E9                                 
     Primary Contact
       Contact Name           : Mark Caissy                                     
       Telephone (primary)    : 613-995-4024        
       Telephone (secondary)  :                     
       Fax                    : 613-995-3215        
       E-mail                 : [email-masked]                         
     Secondary Contact
       Contact Name           : Peter Taylor                                    
       Telephone (primary)    : 613-992-2106        
       Telephone (secondary)  :                     
       Fax                    : 613-995-3215        
       E-mail                 : [email-masked]                   
     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

     URL for More Information : http://www.geod.nrcan.gc.ca/
                              : index_e/products_e/activeNetwork_e/acp_e.html
     Hardcopy on File           
       Site Map               :                                                 
       Site Diagram           :                                                 
       Horizon Mask           : yes                                             
       Monument Description   : yes                                             
       Site Pictures          : yes                                             
     Additional Information   :                                                 

     Antenna Graphics with Dimensions

                                                                                
    Rogue:  AOAD/M_B          (Allen Osborne Design)                            
                                                                                
                         -----                                                  
                     /     +     \                        <--  0.096  L2        
                    |      +      |                       <--  0.078  L1        
  +-----------------+-------------+------------------+    <--  0.070  TCR       
  |                                                  |                          
  |                                                  |                          
  |                                                  |                          
  |                                                  |                          
  |                                                  |                          
  +-----------------+------x------+------------------+    <--  0.000  ARP       
                    |             |                                             
                    +-------------+                       <-- -0.011            
                          ||  ||                                                
                                                                                
  <--                    0.351                     -->                          

    Type: AOAD/M_T                                                              
                                                                                
                                    ---                                         
     L2 Phase Center =>         /    +    \             <---------------+       
     L1 Phase Center =>        |     +     |            <---------+     |       
              +----------------------------------------------+    |     |       
              |                                              |    |     |       
              |                                              |    |     |       
              |                                              |    |     |       
              |                                              |    |     |       
             ==================================================   |     |       
                               |           |                      |     |       
                               |    +-+    |                      |   0.228m    
   Antenna Ref. Point (ARP) => +====| |====+   <--+               |     |       
                               |           |      |             0.210m  |       
                               |           |      |               |     |       
                               |           |      |               |     |       
                      Mount => |           |    0.100m            |     |       
                               |           |      |               |     |       
                               |           |      |               |     |       
                               |    +-+    |      |               |     |       
 Monument =>  +----------------+====| |====+-----------------+ <--+-----+       
 Ref. Point   |                                              |                  
              |                                              |                  
              |                                              |                  
              |               Concrete pillar                |                  
              |                                              |                  
              |                                              |                  
              |                                              |                  

   ARP: Antenna Reference Point
   L1 : L1 Phase Center                   L2 : L2 Phase Center
   TCR: Top of Chokering                  BCR: Bottom of Chokering