INSTRUMENTS

CRM CONTROL POINTS

Receiver R8 + Antenna & Bluetooth Antenna

Pole dan BipodHard Cover Carrying case

Toughbook & Broadband

53

SOFTWARE

CRM CONTROL POINTS

FIELD WORK

OFFICE WORK

54

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

55

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

56

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.

57

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

58

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

4

GDPM

Data processing Confirm observation method Choose nearest MyRTKnet

59

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

5

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.

60

CRM CONTROL POINTS

GNSS OBSERVATION FLOW CHART (RTK)

61

CRM CONTROL POINTS

GNSS OBSERVATION FLOW CHART (RTK)

FIEL

D W

OR

L C

RM

OFFICE WORK CRM

APPROVED BY TPU(11)

eTSMFIELD WORK

62