Subject: [IGSMAIL-3059]: PRDS: New Site Log
From: Stephen Delahunt <[email-masked]>
To: "IGSMAIL, at_IGSCB" <[email-masked]>
Date: Mon, 16 Oct 2000 16:32:16 -0400

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IGS Electronic Mail      16 Oct 13:32:45 PDT 2000      Message Number 3059
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Author: Stephen Delahunt 

The frequency standard at station PRDS has been upgraded from 
RUBIDIUM to CESIUM as per the new site log attached below.

Hourly data flow was reinstated today (Oct16, 2000 / DOY 290).

Missing data for Oct 14-15 (DOY 288/9) will be posted ASAP.

     PRDS Site Information Form
     International GPS Service for Geodynamics

0.   Form

     Prepared by (full name)  : Stephen Delahunt
     Date Prepared            : 16-OCT-2000
     Report Type              : UPDATE
     Prepared Using           :

1.   Site Identification of the GPS Monument

     Site Name                : PRIDDIS
     Four Character ID        : PRDS
     Monument Inscription     : 756047
     IERS DOMES Number        : 40124M001
     CDP Number               : n/a
     Date Installed           : 25-JUL-1992
     Geologic Characteristic  : unconsolidated sediment
       Bedrock Type           :
       Bedrock Condition      :
       Fracture Spacing       :
       Notes                  :
     Additional Information   : The GPS reference mark consists of a
brass plates
                              : with a forced centring stainless steel
bolt
                              : embedded on top of a 40 cm in diameter
concrete
                              : pier,extending into soil to a depth of 3
meters
                              : and protruding 1.5 m above ground level.

2.   Site Location Information

     City or Town             : Calgary
     State or Province        : Alberta
     Country                  : Canada
     Tectonic Plate           : North American
     Approximate Position
       X coordinate (m)       : -1659602.829
       Y coordinate (m)       : -3676725.754
       Z coordinate (m)       :  4925493.591
       Latitude (deg)         :   50.8713 N
       Longitude (deg)        :  114.2935 W
       Elevation (m)          : 1247.94
     Additional Information   : Located at the Dominion Observatory in
Priddis,
                              : on the outskirt of Calgary, Alberta.

3.   GPS Receiver Information

3.1  Receiver Type            : ROGUE SNR-12 RM
     Serial Number            : 235
     Firmware Version         : Turbo 3.2.32.5X
     Date Installed           : 07-JAN-1997 00:00 UT
     Date Removed             : 23-JUL-1997 00:00 UT
     Additional Information   :

3.2  Receiver Type            : ROGUE SNR-8000
     Serial Number            : 226
     Firmware Version         : Turbo 3.2.32.5X
     Date Installed           : 23-JUL-1997 00:00 UT
     Date Removed             : 24-JUN-1999 15:40 UT
     Additional Information   :

3.3  Receiver Type            : AOA SNR-12 ACT
     Serial Number            : 233
     Firmware Version         : Turbo 3.3.32.2N
     Date Installed           : 24-JUN-1999 16:00 UT
     Date Removed             :
     Additional Information   :

4.   GPS Antenna Information

4.1  Antenna Type             : DORNE MARGOLIN T
     Serial Number            : 171
     Antenna Height (m)       : 0.100
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 07-JAN-1997 00:00 UT
     Date Removed             : 07-MAY-1999 19:00 UT
     Aditional Information    :

4.2  Antenna Type             : DORNE MARGOLIN T
     Serial Number            : 171
     Antenna Height (m)       : 0.1585
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 11-MAY-1999 16:10 UT
     Date Removed             : 10-JUN-1999 15:10 UT
     Additional Information   :

4.3  Antenna Type             : AOAD/M_T
     Serial Number            : 171
     Antenna Height (m)       : 0.100
     Antenna Reference Point  : ARP
     Degree Offset from North :
     Antenna Radome Type      :
     Date Installed           : 14-JUN-1999 14:40 UT
     Date Removed             :
     Additional Information   :

5.   Local Site Ties          : n/a

6.   Frequency Standard

6.1  Standard Type            : RUBIDIUM
       Frequency              :
       Effective Dates        : 07-JAN-1997 - 09-OCT-2000
       Notes                  :

6.2  Standard Type            : CESIUM
       Frequency              :
       Effective Dates        : 14-OCT-2000 - dd-MMM-yyyy
       Notes                  

7.   Collocation Information  : None

7.x  Instrumentation Type     : None
       Status                 :
       Effective Dates        :
       Notes                  :

8.   Meteorological Instrumentation

8.1  Humidity Sensor Model    : HMP-35A
       Manufacturer           : VAISALA
       Data Frequency         : 15 min
       Accuracy (% rel h)     : 2 %
       Effective Dates        : 05-JUN-1996 - dd-MMM-yyy)
       Notes                  : Sensor elevated 6 metres above ground
level.

8.2  Pressure Sensor Model    : PTB-100A
       Manufacturer           : VAISALA
       Data Frequency         : 15 min
       Accuracy (mbar)        : 0.1 mb
       Height Diff to GPS (m) : 0.0 m
       Effective Dates        : 05-JUN-1996 - dd-MMM-yyyy
       Notes                  : Sensor readings compensated for
temperature,
                              : non-linearity, calibration and height
difference
                              : to GPS antenna.

8.3  Temperature Sensor Model : YSI 44212
       Manufacturer           : YSI
       Data Frequency         : 15 min
       Accuracy (deg C)       : 0.2 Deg C
       Effective Dates        : 05-JUN-1996 - dd-MMM-yyyy
       Notes                  : Sensor elevated 6 metres above ground
level.

8.4  Other Instrumentation    : n/a

9.   On-Site, Point of Contact Agency Information

     Agency                   : Geodetic Survey of Canada
     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)  : 613-992-1292
       Fax                    : 613-995-3215
       E-mail                 : [email-masked]
     Additional Information   :

10.  Responsible Agency       : same as 9. above.

11.  More Information

     URL for More Information :
     Hardcopy on File
       Site Map               : yes
       Site Diagram           :
       Horizon Mask           : yes
       Monument Description   : yes
       Site Pictures          : yes
     Additional Information   :
     Antenna Graphics with Dimensions

    ANTENNA CONFIGURATION ON SITE SINCE 07-JAN-1997

    Type: DORNE MARGOLIN T

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