MKEA00USA Site Information Form (site log) International GNSS Service See Instructions at: https://ftp.igs.org/pub/station/general/sitelog_instr.txt 0. Form Prepared by (full name) : Sarah Doelger Date Prepared : 2021-05-05 Report Type : UPDATE If Update: Previous Site Log : mkea_20210204.log Modified/Added Sections : 12 1. Site Identification of the GNSS Monument Site Name : Mauna Kea Four Character ID : MKEA Monument Inscription : none IERS DOMES Number : 40477M001 CDP Number : none Monument Description : STEEL PILLAR Height of the Monument : 1.2 m Monument Foundation : CONCRETE Foundation Depth : 3.4 m Marker Description : Date Installed : 1996-08-08T00:00Z Geologic Characteristic : Bedrock Type : Bedrock Condition : Fracture Spacing : Fault zones nearby : Distance/activity : Additional Information : (multiple lines) : The monument is a 4" steel pipe : cemented 11'below ground, protruding : 4' above ground. The antenna is : mounted to a 3/4" bolt welded to a : screw cap on top of the mount. 2. Site Location Information City or Town : Mauna Kea State or Province : Hawaii Country : United States Tectonic Plate : PACIFIC Approximate Position (ITRF) X coordinate (m) : -5464105.3170 Y coordinate (m) : -2495165.8420 Z coordinate (m) : 2148291.4760 Latitude (N is +) : +194804.8838 Longitude (E is +) : -1552722.8432 Elevation (m,ellips.) : 3754.7 Additional Information : 3. GNSS Receiver Information 3.1 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 220 Firmware Version : 3.2 LINK 03/09/1995 Elevation Cutoff Setting : 4 deg Date Installed : 1996-08-08T00:00Z Date Removed : 1999-03-03T00:00Z Temperature Stabiliz. : none Additional Information : 3.2 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 220 Firmware Version : 0.9 LINK 02/23/1999 Elevation Cutoff Setting : 4 deg Date Installed : 1999-03-03T00:00Z Date Removed : 1999-03-18T00:00Z Temperature Stabiliz. : none Additional Information : 3.3 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 220 Firmware Version : 3.3 LINK Elevation Cutoff Setting : 4 deg Date Installed : 1999-03-18T00:00Z Date Removed : 1999-06-14T00:00Z Temperature Stabiliz. : none Additional Information : 3.4 Receiver Type : ROGUE SNR-12 RM Satellite System : GPS Serial Number : 220 Firmware Version : 3.2.32.8 Elevation Cutoff Setting : 4 deg Date Installed : 1999-06-14T00:00Z Date Removed : 2000-04-26T00:00Z Temperature Stabiliz. : none Additional Information : 3.5 Receiver Type : ASHTECH Z-XII3 Satellite System : GPS Serial Number : LP019991617 Firmware Version : CC00 1s soc2rnx Elevation Cutoff Setting : 4 deg Date Installed : 2000-04-26T00:00Z Date Removed : 2008-11-03T21:30Z Temperature Stabiliz. : none Additional Information : samplerate - 1s : offload format - soc : conversion to 30s - soc2rnx 3.6 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : IR2200716006 Firmware Version : CQ00 Elevation Cutoff Setting : 4 deg Date Installed : 2008-11-07T00:00Z Date Removed : 2010-12-06T22:27Z Temperature Stabiliz. : none Additional Information : 3.7 Receiver Type : ASHTECH UZ-12 Satellite System : GPS Serial Number : IR2200714001 Firmware Version : CQ00 Elevation Cutoff Setting : 4 deg Date Installed : 2010-12-06T22:27Z Date Removed : 2015-04-06T21:00Z Temperature Stabiliz. : none Additional Information : 3.8 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO Serial Number : 00878 Firmware Version : 3.5.5 Elevation Cutoff Setting : 0 deg Date Installed : 2015-04-06T21:30Z Date Removed : 2016-02-22T18:02Z Temperature Stabiliz. : none Additional Information : Receiver has version 5 board 3.9 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL Serial Number : 00878 Firmware Version : 3.6.4 Elevation Cutoff Setting : 0 deg Date Installed : 2016-02-22T18:10Z Date Removed : 2018-09-24T22:03Z Temperature Stabiliz. : none Additional Information : Receiver has version 5 board 3.10 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL Serial Number : 00878 Firmware Version : 3.7.2 Elevation Cutoff Setting : 0 deg Date Installed : 2018-09-24T22:30Z Date Removed : 2019-05-28T17:26Z Temperature Stabiliz. : none Additional Information : Receiver has version 5 board 3.11 Receiver Type : JAVAD TRE_G3TH DELTA Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 00878 Firmware Version : 3.7.6 Elevation Cutoff Setting : 0 deg Date Installed : 2019-05-28T17:26Z Date Removed : 2019-12-17T22:00Z Temperature Stabiliz. : none Additional Information : Receiver has version 5 board 3.12 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3013571 Firmware Version : 5.3.1 Elevation Cutoff Setting : 0 deg Date Installed : 2019-12-17T22:01Z Date Removed : 2020-02-07T22:14Z Temperature Stabiliz. : none Additional Information : 5Mhz freq standard supplied to the previous : Javad rx is not compatible with this : Septentrio rx so it was removed. A 10Mhz : standard will be supplied once it becomes : available. 3.13 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3013571 Firmware Version : 5.3.2 Elevation Cutoff Setting : 0 deg Date Installed : 2020-02-07T22:14Z Date Removed : 2021-02-02T18:33Z Temperature Stabiliz. : none Additional Information : 5Mhz freq standard supplied to the previous : Javad rx is not compatible with this : Septentrio rx so it was removed. A 10Mhz : standard will be supplied once it becomes : available. 3.14 Receiver Type : SEPT POLARX5 Satellite System : GPS+GLO+GAL+BDS+QZSS Serial Number : 3013571 Firmware Version : 5.4.0 Elevation Cutoff Setting : 0 deg Date Installed : 2021-02-02T18:33Z Date Removed : CCYY-MM-DDThh:mmZ Temperature Stabiliz. : none Additional Information : 5Mhz freq standard supplied to the previous : Javad rx is not compatible with this : Septentrio rx so it was removed. A 10Mhz : standard will be supplied once it becomes : available. 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 : AOAD/M_T NONE Serial Number : 482 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.006 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 1996-08-08T00:00Z Date Removed : 2015-01-23T00:00Z Additional Information : The existing 2X1 powered splitter was : on May 13, 2010 with another powered : splitter of the same type. The UNAVCO : ID is 71281. 4.2 Antenna Type : JAVRINGANT_DM SCIS Serial Number : 00983 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.000 Marker->ARP North Ecc(m) : 0.000 Marker->ARP East Ecc(m) : 0.000 Alignment from True N : 90 deg Antenna Radome Type : SCIS Radome Serial Number : Antenna Cable Type : Antenna Cable Length : Date Installed : 2015-01-23T00:00Z Date Removed : 2019-12-17T22:00Z Additional Information : 4.3 Antenna Type : JAVRINGANT_DM SCIS Serial Number : 00983 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.00 Marker->ARP North Ecc(m) : 0.00 Marker->ARP East Ecc(m) : 0.00 Alignment from True N : 90 deg Antenna Radome Type : SCIS Radome Serial Number : Antenna Cable Type : LMR600 Antenna Cable Length : 82 m Date Installed : 2019-12-18T19:00Z Date Removed : 2020-01-14T23:59Z Additional Information : The original RG214 cable has been replaced with : LMR600 and a new Septentrio rx installed : resulting in restoring an approx 3cm vert. : displacement that has accumulated since : sometime 2015 due to a slow loss in signal : quality. In addition, the antenna orientation : is approx 90 E (TN) vs. expected N. Note that : the antenna HAS NOT been changed and has been : left unmodified and remains in its original : position and orientation as it was found at the : time of new cable install. 4.4 Antenna Type : JAVRINGANT_DM NONE Serial Number : 00983 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.00 Marker->ARP North Ecc(m) : 0.00 Marker->ARP East Ecc(m) : 0.00 Alignment from True N : 90 deg Antenna Radome Type : NONE Radome Serial Number : Antenna Cable Type : LMR600 Antenna Cable Length : 82 m Date Installed : 2020-01-15T00:00Z Date Removed : 2020-01-23T21:20Z Additional Information : The original RG214 cable has been replaced with : LMR600 and a new Septentrio rx installed : resulting in restoring an approx 3cm vert. : displacement that has accumulated since : sometime 2015 due to a slow loss in signal : quality. In addition, the antenna orientation : is approx 90 E (TN) vs. expected N. Note that : the antenna HAS NOT been changed and has been : left unmodified and remains in its original : position and orientation as it was found at the : time of new cable install. 4.5 Antenna Type : JAVRINGANT_DM SCIS Serial Number : 00983 Antenna Reference Point : BPA Marker->ARP Up Ecc. (m) : 0.00 Marker->ARP North Ecc(m) : 0.00 Marker->ARP East Ecc(m) : 0.00 Alignment from True N : 90 deg Antenna Radome Type : SCIS Radome Serial Number : Antenna Cable Type : LMR600 Antenna Cable Length : 82 m Date Installed : 2020-01-23T21:20Z Date Removed : CCYY-MM-DDThh:mmZ Additional Information : The original RG214 cable has been replaced with : LMR600 and a new Septentrio rx installed : resulting in restoring an approx 3cm vert. : displacement that has accumulated since : sometime 2015 due to a slow loss in signal : quality. In addition, the antenna orientation : is approx 90 E (TN) vs. expected N. Note that : the antenna HAS NOT been changed and has been : left unmodified and remains in its original : position and orientation as it was found at the : time of new cable install. 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 5.1 Tied Marker Name : none Tied Marker Usage : Tied Marker CDP Number : Tied Marker DOMES Number : Differential Components from GNSS Marker to the tied monument (ITRS) dx (m) : dy (m) : dz (m) : Accuracy (mm) : Survey method : Date Measured : (CCYY-MM-DDThh:mmZ) Additional Information : 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 6.1 Standard Type : EXTERNAL H-MASER Input Frequency : 5 MHz Effective Dates : 2000-04-26/2019-12-17 Notes : clock steering enabled 6.2 Standard Type : INTERNAL Input Frequency : Effective Dates : 2019-12-17/CCYY-MM-DD Notes : 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 10.1 Date : 2012-02-02/2012-02-02 Event : Transitioned from .soc to .ash data types. For : soc data typed used soc2rnx to do the : conversion to RINEX data. For ash data types : using teqc directly to do the conversion to : RINEX. 10.x Date : (CCYY-MM-DD/CCYY-MM-DD) Event : (TREE CLEARING/CONSTRUCTION/etc) 11. On-Site, Point of Contact Agency Information Agency : NRAO Mauna Kea Preferred Abbreviation : NRAO Mauna Kea Mailing Address : VLBA Station : P.O. Box 7050 : Kamusla,Hawaii : USA 96743 Primary Contact Contact Name : Bill (Lyman)Hancock Telephone (primary) : 808-935-6719 Telephone (secondary) : Fax : E-mail : bhancock@aoc.nrao.edu Secondary Contact Contact Name : Tony Sylvester Telephone (primary) : 808-935-6719 Telephone (secondary) : Fax : E-mail : tsylvest@aoc.nrao.edu Additional Information : mkvlba@aoc.nrao.edu 12. Responsible Agency (if different from 11.) Agency : Jet Propulsion Laboratory Preferred Abbreviation : JPL Mailing Address : 4800 Oak Grove Drive : Pasadena,CA : USA 91109 Primary Contact Contact Name : David A.Stowers Telephone (primary) : 818-354-7055 Telephone (secondary) : 818-354-2950 Fax : 818-393-4965 E-mail : dstowers@jpl.nasa.gov Secondary Contact Contact Name : UNAVCO Network Engineer Telephone (primary) : 303-381-7500 Telephone (secondary) : Fax : 303-381-7451 E-mail : ggn-ops@postal.unavco.org Additional Information : 13. More Information Primary Data Center : JPL Secondary Data Center : CDDIS URL for More Information : Hardcopy on File Site Map : Site Diagram : Y Horizon Mask : Monument Description : Y Site Pictures : Y Additional Information : Antenna Graphics with Dimensions JAVRINGANT_DM --------- / \ | | +-------------------------------------------------+ <-- 0.1015 TCR | | | | | | | | +-+-------------------------------------------------+-+ <-- 0.0379 +-------------------+-------------+-------------------+ <-- 0.0345 BCR | | | | +------x------+ <-- 0.0000 BPA=ARP NOM=NRP <-- 0.3800 --> ARP: Antenna Reference Point L1 : L1 Phase Center L2 : L2 Phase Center TCR: Top of Chokering BCR: Bottom of Chokering TGP: Top of Ground Plane BGP: Bottom of Ground Plane TPA: Top of Preamplifier BPA: Bottom of Preamplifier TOP: Top of Pole All dimensions are in meters.