CMBB Site Information Form (site log)
     International GNSS Service
     See Instructions at:
       https://files.igs.org/pub/station/general/sitelog_instr.txt

0.   Form

     Prepared by (full name)  : Mario Aranha
     Date Prepared            : 2022-11-30
     Report Type              : UPDATE
     If Update:
      Previous Site Log       : cmbb_20211118.log
      Modified/Added Sections : 3.18,3.19 


1.   Site Identification of the GNSS Monument

     Site Name                : Columbia College
     Four Character ID        : CMBB
     Monument Inscription     : 
     IERS DOMES Number        : 49394M001
     CDP Number               : 
     Monument Description     : CONCRETE PILLAR
       Height of the Monument : 
       Monument Foundation    : 
       Foundation Depth       : 
     Marker Description       : 
     Date Installed           : 1993-12-09T00:00Z
     Geologic Characteristic  : BEDROCK
       Bedrock Type           : 
       Bedrock Condition      : 
       Fracture Spacing       : 
       Fault zones nearby     : 
         Distance/activity    : 
     Additional Information   : New monument (06-Jan-2000) is poured concrete
                              : cylinder with continuous steel reinforcement to
                              : older monument. Reference point is mark on SCIGN
                              : adaptor. Bay Area Regional Deformation Array.
                              : Older monument is drilled and cemented into rock
                              : outcrop.  Threaded 5/8" rod cemented about 0.8m
                              : deep into rock with stainless steel collar at
                              : surface. Antenna threads onto rod in
                              : reproducible manner.  Mark is center of rod at
                              : level of concrete lip.


2.   Site Location Information

     City or Town             : Columbia
     State or Province        : California
     Country                  : USA
     Tectonic Plate           : North American
     Approximate Position (ITRF)
       X coordinate (m)       : -2544617.1992
       Y coordinate (m)       : -4339616.5304
       Z coordinate (m)       : 3908861.1896
       Latitude (N is +)      : +380203.03
       Longitude (E is +)     : -1202309.76
       Elevation (m,ellips.)  : 695.7233
     Additional Information   : New reference point. Original reference point
                              : was destroyed during installation of new
                              : concrete pier monument (see 1.) X,Y,Z is GAGE3
                              : IGb14 epoch 2020.7077


3.   GNSS Receiver Information

3.1  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : 700571B02283
     Firmware Version         : 7A
     Elevation Cutoff Setting : 
     Date Installed           : 1993-12-09T00:00Z
     Date Removed             : 1994-04-16T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : Operated in codeless mode 02-Feb-1994 to
                              : 15-Apr-1994

3.2  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : 700724B02275
     Firmware Version         : 1C01
     Elevation Cutoff Setting : 
     Date Installed           : 1994-04-16T00:00Z
     Date Removed             : 1996-03-22T00:01Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.3  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : 700724B01827
     Firmware Version         : 1E82
     Elevation Cutoff Setting : 
     Date Installed           : 1996-03-22T00:01Z
     Date Removed             : 1996-05-09T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.4  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : 700724B02275
     Firmware Version         : 1E86
     Elevation Cutoff Setting : 
     Date Installed           : 1996-05-09T00:00Z
     Date Removed             : 1996-08-09T02:18Z
     Temperature Stabiliz.    : 
     Additional Information   : Replaced because of high clock drift.

3.5  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : 700363B1693
     Firmware Version         : 1E86
     Elevation Cutoff Setting : 
     Date Installed           : 1996-08-09T02:18Z
     Date Removed             : 1997-08-21T04:00Z
     Temperature Stabiliz.    : 
     Additional Information   : On 10/10/2013 fixed year error above on install
                              : date. Evidence for correct year was spotty, but
                              : serial number is the only equip change.

3.6  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : 700363B1693
     Firmware Version         : 1F60
     Elevation Cutoff Setting : 
     Date Installed           : 1997-08-21T04:00Z
     Date Removed             : 1999-07-28T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.7  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : LP01383
     Firmware Version         : CC00
     Elevation Cutoff Setting : 
     Date Installed           : 1999-07-28T00:00Z
     Date Removed             : 2006-07-11T21:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.8  Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : ZR520014802
     Firmware Version         : CJ10
     Elevation Cutoff Setting : 
     Date Installed           : 2006-07-11T21:00Z
     Date Removed             : 2006-09-28T21:30Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.9  Receiver Type            : ASHTECH Z-XII3
     Satellite System         : GPS
     Serial Number            : LP01383
     Firmware Version         : CC00
     Elevation Cutoff Setting : 
     Date Installed           : 2006-09-28T21:30Z
     Date Removed             : 2007-03-20T20:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.10 Receiver Type            : ASHTECH UZ-12
     Satellite System         : GPS
     Serial Number            : ZR520014802
     Firmware Version         : CJ10
     Elevation Cutoff Setting : 
     Date Installed           : 2007-03-20T20:00Z
     Date Removed             : 2011-06-08T18:55Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.11 Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-00906
     Firmware Version         : 3.5 Mar,16,2011 p1
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2011-06-08T18:55Z
     Date Removed             : 2011-07-28T21:58Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.12 Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-00906
     Firmware Version         : 3.5 Jul,15,2011 p2
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2011-07-28T21:58Z
     Date Removed             : 2012-03-01T21:37Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.13 Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-00906
     Firmware Version         : 3.5 Nov,18,2011 p3b3 pre3
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2012-03-01T21:37Z
     Date Removed             : 2012-06-05T18:41Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.14 Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-00906
     Firmware Version         : 3.6 Feb,28,2012 p1
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2012-06-05T18:41Z
     Date Removed             : 2013-05-30T17:56Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.15 Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-00906
     Firmware Version         : 4.0 Dec,21,2012 p1
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2013-05-30T17:56Z
     Date Removed             : 2016-12-23T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.16 Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-00906
     Firmware Version         : 4.7 Oct,18,2016 p2
     Elevation Cutoff Setting : 
     Date Installed           : 2016-12-23T00:00Z
     Date Removed             : 2019-04-02T17:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.17 Receiver Type            : TPS NET-G3A
     Satellite System         : GPS
     Serial Number            : 618-00906
     Firmware Version         : 4.7 Feb,21,2019 p10
     Elevation Cutoff Setting : 5 deg
     Date Installed           : 2019-04-02T17:00Z
     Date Removed             : 2021-02-01T20:04Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.18 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO
     Serial Number            : 3052394
     Firmware Version         : 5.4.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2021-02-01T20:04Z
     Date Removed             : 2022-11-30T00:00Z
     Temperature Stabiliz.    : 
     Additional Information   : 

3.19 Receiver Type            : SEPT POLARX5
     Satellite System         : GPS+GLO
     Serial Number            : 3052394
     Firmware Version         : 5.5.0
     Elevation Cutoff Setting : 0 deg
     Date Installed           : 2022-11-30T00:00Z
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Temperature Stabiliz.    : 
     Additional Information   : 

3.x  Receiver Type            : (A20, from rcvr_ant.tab; see instructions)
     Satellite System         : (GPS+GLO+GAL+BDS+QZSS+SBAS)
     Serial Number            : (A20, but note the first A5 is used in SINEX)
     Firmware Version         : (A11)
     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)


4.   GNSS Antenna Information

4.1  Antenna Type             : ASH700228D      ENCL
     Serial Number            : 700228D2132
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : -0.015
     Marker->ARP North Ecc(m) : 
     Marker->ARP East Ecc(m)  : 
     Alignment from True N    : 15
     Antenna Radome Type      : ENCL
     Radome Serial Number     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 1993-12-09T00:00Z
     Date Removed             : 1997-08-20T04:00Z
     Additional Information   : Antenna height measured relative to original
                              : reference point.  Radome is plexiglass skylight.

4.2  Antenna Type             : ASH700936C_M    SNOW
     Serial Number            : 12372
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0627
     Marker->ARP North Ecc(m) : 
     Marker->ARP East Ecc(m)  : 
     Alignment from True N    : 0
     Antenna Radome Type      : SNOW
     Radome Serial Number     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 1997-08-20T04:00Z
     Date Removed             : 2000-01-06T20:16Z
     Additional Information   : Antenna height measured relative to original
                              : reference point. Radome is an Ashtech Cone.

4.3  Antenna Type             : ASH700936C_M    SCIT
     Serial Number            : 12372
     Antenna Reference Point  : BPA
     Marker->ARP Up Ecc. (m)  : 0.0083
     Marker->ARP North Ecc(m) : 
     Marker->ARP East Ecc(m)  : 
     Alignment from True N    : 0
     Antenna Radome Type      : SCIT
     Radome Serial Number     : 
     Antenna Cable Type       : 
     Antenna Cable Length     : 
     Date Installed           : 2000-01-06T20:16Z
     Date Removed             : (CCYY-MM-DDThh:mmZ)
     Additional Information   : Configuration Change: Mounted on permanently
                              : installed SCIGN adapter. Antenna height is
                              : standard value relative to adapter reference
                              : point, a dimpled nub. SCIGN Tall radome.

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)

5.   Surveyed Local Ties

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   : (multiple lines)


6.   Frequency Standard

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)


7.   Collocation Information

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)


8.   Meteorological Instrumentation

8.1.x Humidity Sensor Model   : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy (% rel h)     : (% rel h)
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.2.x Pressure Sensor Model   : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy               : (hPa)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.3.x Temp. Sensor Model      : 
       Manufacturer           : 
       Serial Number          : 
       Data Sampling Interval : (sec)
       Accuracy               : (deg C)
       Aspiration             : (UNASPIRATED/NATURAL/FAN/etc)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.4.x Water Vapor Radiometer  : 
       Manufacturer           : 
       Serial Number          : 
       Distance to Antenna    : (m)
       Height Diff to Ant     : (m)
       Calibration date       : (CCYY-MM-DD)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Notes                  : (multiple lines)

8.5.x Other Instrumentation   : (multiple lines)


9.  Local Ongoing Conditions Possibly Affecting Computed Position

9.1.x  Radio Interferences    : (TV/CELL PHONE ANTENNA/RADAR/etc)
       Observed Degradations  : (SN RATIO/DATA GAPS/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)

9.2.x  Multipath Sources      : (METAL ROOF/DOME/VLBI ANTENNA/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)

9.3.x  Signal Obstructions    : (TREES/BUILDINGS/etc)
       Effective Dates        : (CCYY-MM-DD/CCYY-MM-DD)
       Additional Information : (multiple lines)

10.  Local Episodic Effects Possibly Affecting Data Quality

10.x Date                     : (CCYY-MM-DD/CCYY-MM-DD)
     Event                    : (TREE CLEARING/CONSTRUCTION/etc)

11.   On-Site, Point of Contact Agency Information

     Agency                   : UC Berkeley
     Preferred Abbreviation   : BARD
     Mailing Address          : University of California, Berkeley, 307 McCone
                              : Hall #4760, Berkeley CA 94720-4760
     Primary Contact
       Contact Name           : Mario Aranha
       Telephone (primary)    : 510-643-3898
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : mario@seismo.berkeley.edu
     Secondary Contact
       Contact Name           : 
       Telephone (primary)    : 
       Telephone (secondary)  : 
       Fax                    : 
       E-mail                 : 
     Additional Information   : (multiple lines)

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   : (multiple lines)

13.  More Information

     Primary Data Center      : NCEDC
     Secondary Data Center    : 
     URL for More Information : https://ncedc.org
     Hardcopy on File
       Site Map               : (Y or URL)
       Site Diagram           : (Y or URL)
       Horizon Mask           : (Y or URL)
       Monument Description   : (Y or URL)
       Site Pictures          : (Y or URL)
     Additional Information   : 
     Antenna Graphics with Dimensions

     https://files.igs.org/pub/station/general/antenna.gra