instruments - universiti teknologi malaysia · 2018. 10. 5. · lihat lampiran 56. gnns data...
TRANSCRIPT
INSTRUMENTS
CRM CONTROL POINTS
Receiver R8 + Antenna & Bluetooth Antenna
Pole dan BipodHard Cover Carrying case
Toughbook & Broadband
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SOFTWARE
CRM CONTROL POINTS
FIELD WORK
OFFICE WORK
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BACKGROUND
In order to meet the needs of eKadaster concept in Malaysia, CRM(Cadastre Reference Mark) was introduced as one of the control pointsthat can be used as a datum in cadastral surveying work in Malaysia.
In order to meet the requirements of eKadaster, recommended CRMcontrol points (Cadastre Reference Mark) have to meet requirement asbelow:
Distance between CRM points not less than 75 meter, At least to establish 3 CRMs, 2 CRMs needs to be visible each other, CRMs must across the lot, and Distance CRMs between 2 lots not more than 300 meter.
CRM CONTROL POINTS
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CRM PREPARATION PROCESS
Start
CRM CONTROL POINTS
Receive file and minutes Receive file from Deputy Director of
Survey and Mapping
Check location of survey Check nearby location NDCDB availableor not?
Propose CRMs At least 3 CRM
Proceed file Proceed file to CRM surveyor
LIHAT LAMPIRAN
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GNNS DATA OBSERVATION
CRM CONTROL POINTS
DEFINE CONTROL POINTS Establish field control points
JUPEM2U: Download CRM job
Download field work file
GDSM RTK & GDSM STATIC Observation GNSS with RTK methodand Static method
PROCESSRTGA
Process and analyse RTKobservation data. If fail, repeatobservation and if success, thenmove to point 2 and 3.
RAW DATA Transfer Raw Data to Rinex Data.
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GNNS DATA OBSERVATION
CRM CONTROL POINTS
Update ASCII and Zipped field work filewith RTGA sub module.
UPDATE FIELD WORK FILE
JUPEM2U Upload Zipped file with GNSS
observation data.
JOB SUBMISSION GNSS observation data file should sentto DS through JUPEM2U.
END
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GNSS OBSERVATION DATA PROCESSING
CRM CONTROL POINTS
1CSRS: Download CRM job
Download field work file
2Surveyed Job File
(Raw) Check
observation time
Check observation method
3RINEX SHOP
SERVICES
VRSnet: RinexDATA
Obtain Rinex data refer to real time observation
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GDPM
Data processing Confirm observation method Choose nearest MyRTKnet
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GNSS OBSERVATION DATA PROCESSING
CRM CONTROL POINTS
GDPM4
No Parameter Value
1 Time gap 1 Second
2 Strategic of choosing baseline
Independent Set (Manual)
3 Cut-Off-Angle 15
4 Model Troposphere Hop filed
5 Ephemeris Broadcast
6 Obsolete processing Ionosphere Free Fixed
7 Station Weighting 1.5/3.0 mm (Horizontal)
8 Strategic Minimally/Fully Constringed
9 Strategic test Chi-Square
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PVM
Validation data. Data quality
checking. Confirm
allowance difference 2 cm for latitude and longitude and 6 cm for height.
6FINAL DATA
Processed data will be Zipped and upload to JUPEM2U.
Action by eTSM surveyor.
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CRM CONTROL POINTS
GNSS OBSERVATION FLOW CHART (RTK)
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CRM CONTROL POINTS
GNSS OBSERVATION FLOW CHART (RTK)
FIEL
D W
OR
L C
RM
OFFICE WORK CRM
APPROVED BY TPU(11)
eTSMFIELD WORK
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