Subject: [IGSMAIL-2129] Update of TROM log
From: Svein Rekkedal
Date: Wed, 20 Jan 1999 4:32:04 PST

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IGS Electronic Mail      Wed Jan 20  4:32:04 PST 1999      Message Number 2129
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Author: Svein Rekkedal
Subject: Update of TROM log

Subject: Update of TROM log

     TROM Site Information Form
     International GPS Service for Geodynamics

0.   Form

     Prepared by (full name)  : Svein Rekkedal
     Date Prepared            : 20-01-1999
     Report Type              : UPDATE
     Prepared Using           :

1.   Site Identification of the GPS Monument

     Site Name                : Tromsoe
     Four Character ID        : TROM
     Monument Inscription     :
     IERS DOMES Number        : 10302M003
     CDP Number               :
     Date Installed           : 1990
     Geologic Characteristic  : NOT WELL KNOWN
       Bedrock Type           : METAMORPHIC/SEDIMENTARY
       Bedrock Condition      : WEATHERED
       Fracture Spacing       : over 200 cm
       Notes                  :
     Additional Information   : Due to the lack of geologic knowledge, a

    new GPS Monument has been made. It's Domes No.
    is 10302M006.

2.   Site Location Information

     City or Town             : Tromsoe
     State or Province        :
     Country                  : Norway
     Tectonic Plate           : Eurasian
     Approximate Position
       X coordinate (m)       : 2102940
       Y coordinate (m)       :  721569
       Z coordinate (m)       : 5958192
       Latitude (deg)         : 69.66 N
       Longitude (deg)        : 18.94 E
       Elevation (m)          : 133
     Additional Information   :

3.   GPS Receiver Information

3.1  Receiver Type            : ROGUE SNR-8
     Serial Number            : R107/011/026
     Firmware Version         : Conan Release 4 4/12/94
     Date Installed           : 1990
     Date Removed             : 01-1997
     Additional Information   : Receiver repaired between Jan 97 and Jan
98

3.2  Receiver Type            : TURBOROGUE SNR-8000
     Serial Number            : 115
     Firmware Version         : TurboRogue GPS Receiver Host Software
    Version 3 Release 2
    55/02/28 Field Configuration 8
     Date Installed           : 15-07-1997
     Date Removed             : 05-01-1998
     Additional Information   :

3.3  Receiver Type            : ROGUE SNR-8
     Serial Number            : R107/011/026
     Firmware Version         : Conan Release 4 4/12/94
     Date Installed           : 05-01-1998
     Date Removed             : 23-12-1998
     Additional Information   :

3.4  Receiver Type            : TURBOROGUE SNR-8000
     Serial Number            : 131
     Firmware Version         : TurboRogue GPS Receiver Host Software
    Version 3 Release 2
    55/02/28 Field Configuration 8
     Date Installed           : 23-12-1998-11:10:30
     Date Removed             :
     Additional Information   :

4.   GPS Antenna Information

4.1  Antenna Type             : DORNE MARGOLIN B
     Serial Number            : R107
     Antenna Height (m)       : 2.4734
     Antenna Reference Point  : ARP (BCR)
     Degree Offset from North : 0
     Antenna Radome Type      : NONE
     Date Installed           : 1990
     Date Removed             : 01-1997
     Additional Information   : Antenna was repaired between Jan-97 and
Jan-98

4.2  Antenna Type             : DORNE MARGOLIN T
     Serial Number            : T103
     Antenna Height (m)       : 2.3686 M
     Antenna Reference Point  : ARP
     Degree Offset from North : 0
     Antenna Radome Type      : NONE
     Date Installed           : 15-07-1997
     Date Removed             : 05-01-1998
     Additional Information   :

4.3  Antenna Type             : DORNE MARGOLIN B
     Serial Number            : R107
     Antenna Height (m)       : 2.475 meters from 05-01-1998
     Antenna Reference Point  : ARP (BCR)
     Degree Offset from North : 0
     Antenna Radome Type      : NONE
     Date Installed           : 05-01-1998
     Date Removed             : 22-12-1998
     Additional Information   :

4.4  Antenna Type             : DORNE MARGOLIN B
     Serial Number            : 114
         MOD. 4250210
     Antenna Height (m)       : 2.475 meters from 05-01-1998
     Antenna Reference Point  : ARP (BCR)
     Degree Offset from North : 0
     Antenna Radome Type      : NONE
     Date Installed           : 22-12-1998
     Additional Information   :

5.   Local Site Ties

5.1  Monument Name            : VLBI
     Site Ref CDP Number      : 7602
     Site Ref Domes Number    : 10302M002
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : -36.2865
       dy (m)                 : +33.1166
       dz (m)                 : +9.2222
     Accuracy (mm)            : 1
     Date Measured            : 1989,1990,1997
     Additional Information   :

5.2  Monument Name            : PRARE
     Site Ref CDP Number      :
     Site Ref Domes Number    :
     Differential Components from GPS Mark to Site Reference (ITRS)
       dx (m)                 : -6.476
       dy (m)                 : +44.272
       dz (m)                 : +3.039
     Accuracy (mm)            : 15
     Date Measured            : 1993,1997
     Additional Information   :

6.   Frequency Standard

6.1  Standard Type            : RUBIDIUM
       Frequency              :
       Effective Dates        : JAN 1993
       Notes                  : FRK, No. 1

7.   Collocation Information

7.1  Instrumentation Type     : PRARE
       Status                 : REMOVED
       Effective Dates        : NOV 1995 - MAY 1997
       Notes                  :

7.2  Instrumentation Type     : SATREF: DGPS based on Trimble 4000 SSI
       Status                 : ACTIVE
       Effective Dates        : 1995
       Notes                  : This system samples every second and is
used for
           navigation

8.   Meteorological Instrumentation

8.1  Humidity Sensor Model    : NOT AVAILABLE
       Manufacturer           :
       Data Frequency         :
       Accuracy (% rel h)     :
       Effective Dates        :
       Notes                  :

8.2  Pressure Sensor Model    : NOT AVAILABLE
       Manufacturer           :
       Data Frequency         :
       Accuracy (mbar)        :
       Height Diff to GPS (m) :
       Effective Dates        :
       Notes                  :

8.3  Temperature Sensor Model : NOT AVAILABLE
       Manufacturer           :
       Data Frequency         :
       Accuracy (deg C)       :
       Effective Dates        :
       Notes                  :

8.4  Water Vapor Radiometer   : NOT AVAILABLE
       Manufacturer           :
       Distance to GPS (m)    :
       Elev Diff to GPS (m)   :
       Effective Dates        :
       Notes                  :

8.5  Other Instrumentation    :

9.   On-Site, Point of Contact Agency Information

     Agency                   : Nordlysobservatoriet
     Mailing Address          : Universitetet i Tromsoe
                              : 9037 TROMSOE
         : NORWAY
     Primary Contact
       Contact Name           : See 10.
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Secondary Contact
       Contact Name           :
       Telephone (primary)    :
       Telephone (secondary)  :
       Fax                    :
       E-mail                 :
     Additional Information   :

10.  Responsible Agency (if different from 9.)

     Agency                   : Geodetic Institute
                              : Norwegian Mapping Authority
     Mailing Address          : N-3500 Honefoss
                              : Norway
     Primary Contact
       Contact Name           : RUNE I. HANSSEN
       Telephone (primary)    : +47-321 18 249
       Telephone (secondary)  :
       Fax                    : +47-321 18 101
       E-mail                 : [email-masked]
     Secondary Contact
       Contact Name           : SVEIN REKKEDAL
       Telephone (primary)    : +47-321 18 346
       Telephone (secondary)  :
       Fax                    : +47-321 18 101
       E-mail                 : [email-masked]
     Secondary Contact
       Contact Name           : METTE MAEHLE
       Telephone (primary)    : +47 321 18 441
       Telephone (secondary)  :
       Fax                    : +47 321 18 101
       E-mail                 : [email-masked]
     Additional Information   :

11.  More Information

     URL for More Information :
     Hardcopy on File
       Site Map               :
       Site Diagram           :
       Horizon Mask           :
       Monument Description   :
                              :
       Site Pictures          :
     Additional Information   :

     Antenna Graphics with Dimensions

    ROGUE:  DORNE MARGOLIN B  (Allen Osborne Design)

                         -----
                     /     +     \                        <--  0.096  L2

                    |      +      |                       <--  0.078  L1

  +-----------------+-------------+------------------+    <--  0.070
TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
  +-----------------+------x------+------------------+    <--  0.000
ARP
                    |             |
                    +-------------+                       <-- -0.011
                          ||  ||

  <--                    0.351                     -->

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

             TurboRogue: DORNE MARGOLIN T

                         -----
                     /     +     \                        <--  0.128  L2

                    |      +      |                       <--  0.110  L1

  +--------------------------------------------------+    <--  0.102
TCR
  |                                                  |
  |                                                  |
  |                                                  |
  |                                                  |
+-+--------------------------------------------------+-+  <--  0.038
+-------------------+-------------+--------------------+  <--  0.035
BCR
                    |             |
                   =|             |
                    +------x------+                       <--  0.000
ARP

<--                      0.381                       -->

MONUMENT DESCRIPTIONS

Marked on Site Map as:        Description:

I                             National Triangulation Station O06T0142 -
brass
                              bolt with scribed cross on top of concrete
astro
                              pillar - pillar is inside a hut with
removable
                              roof.

III                           Stainless steel bolt with milled center
mark set
                              in concrete on bedrock.

GPS                           Brass bolt set in bedrock under antenna
pillar,
10302M003                     accessible for centering, bolt has a
center punch
                              mark WHICH IS ECCENTRIC ON THE TOP OF THE
BOLT.

VLBI                          Brass bolt with center punch mark set in
10302M002                     circular concrete pedestal on mobile VLBI
                              foundations. Pedestal is covered by a cast
iron
                              cover approximately 50 cm diameter.

PRARE                         Centre of top plate to PRARE antenna
pillar
                              (constructed of reinforced concrete)
inside
                              radome.

C1                            Witness Mark #1 - Brass bolt with center
punch
                              mark set in bedrock.

C2                            Witness Mark #2 - Brass bolt with center
punch
                              mark set in bedrock.

C3                            Witness Mark #3 - Brass bolt with center
punch
                              mark set in bedrock.

C4                            Witness Mark #4 - Brass bolt with center
punch
                              mark set in bedrock.

C5                            Witness Mark #5 - Brass bolt with center
punch
                              mark set in bedrock.

New IGS         Steel tower fixed to a reinforced concrete block
10302M006              blasted into solid bedrock. The point is defined
         as the top center of the hole in the horizontal
         top plate, through which a special machined 5/8
         UNC screw can be put to fix an antenna or
         other geodetic instrument.

SATREF         Steel tower fixed to a reinforced concrete block
                 blasted into solid bedrock. The point is defined
         by a brass bolt with center punch mark set in
                              center of the concrete block.

Sketch of Tromsoe:

                                      ____________
N    C4 o        |    |
^                                C5 o|    |
|           10302M003                |            |
|         (TROM) x                   |      VLBI  |
|                                    |         x 10302M002         o C1
                                     |____     ___|
              |   |
       |   | o C2
                                          |   |  o
                            10302M006     |   |
                            _________x (TRO1) |
                        ___|         |    |   |
         |             |        |
  PRARE  | x           |        |
         |___          |    |   |
                           |_________|    |   |
         C3 o                 SATREF x    |   |
                                          |   |
                                          |   |

                                  o

      I o  o
                                                      III

[Mailed From: Svein Rekkedal <[email-masked]>]