Doppler Weather Radar - METNET - India Meteorological Department

B.3.3 Velocity Products 69
B.3.4 Hydrological Products 69
B.3.5 Aviation Products 69
B.3.6 Warning And Forecasting Products For Tropical Regions 70
B.3.7 Alphanumeric Products 70
B.4 Workstations and Display capabilities of the system 70
B.4.1 Workstations 70
B.4.2 Display capabilities of the system 71
B.5 Radar data archival capability 71
B.6 Operational limitation 72
APPENDIX C CALLIBRATION PROCEDURES 73-80
C.1 Callibration procedures of panel meters 73
C.2 Callibration procedure for dynamic range 76
C.3 Arc detector test 79
Figure C.1 Tx Control Panel A1, Panel Meters, Location of Controls and 73
Indicators
Figure C.2 Configuration of Dynamic Range Test 76
Figure C.3 An Example of Dynamic Range Test Results 77
Figure C.4 MDDS Test Configuration 77
Figure C.5 Testing Antenna RF Output Power 79
Table C.1 Location and calibration of Panel Meters 74
Table C.2 Location and calibration of Panel Meters contd. 75
APPENDIX D SCAN STRATEGY IN DOPPLER WEATHER RADAR 81-88
D.1 Basics about scanning strategies employed in DWR operation 81
D.2 Scanning strategies 82
D.2.1 Cone of Silence 83
D.2.2 Operation of Doppler Weather Radars in IMD 84
D.2.3 Present IMD DWR Scan strategy (DWR-Palam) 84
D.2.4 Advantages of Present IMD DWR Scan strategy 85
D.2.5 Scan strategies being followed by IMD for Doppler weather radars 88
Figure D.1 Azimuth Angle 81
Figure D.2 Distance to the Target 81
Figure D.3 Elevation Angle 81
Figure D.4 Plan Position Indicator 82
Figure D.5 Range Height Indicator 82
Figure D.6 Cone of Silence 83
Figure D.7 Present Scan strategy in operation at (DWR-Palam) DWR 84
Figure D.8 Cone of Silence 50.0 km around the radar center 85
Figure D.9 Scan implemented in most of the IMD DWRs 85
Figure D.10 Cone of Silence in Palam-Radar 86
Figure D.11. Cone of silence - Palam Radar Enlarged view 86
Table D.1. PPI and RHI Scanning types 82
Table D.2. Present Scan Strategy at Palam Radar 87
Table D.3. Volume Scan IMD_C 88
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