PR-2 Radar in Aguadilla
Ricardo Ríos OlmoAdvisor: Dr. José Colom
Outline
• Objective• About PR-2• PR-2 vs Nexrad• Observations• Recent Ideas• Next Up….
Objective
• Modify Source Code to our needs:•Raw Data•Display Resolution•Data Resolution
• Data Transfer from Aguadilla – UPRM• Validate Radar Data• Pulse width modification??
• Modify Source Code to our needs:•Raw Data•Display Resolution•Data Resolution
• Data Transfer from Aguadilla – UPRM• Validate Radar Data• Pulse width modification??
About PR-2
Radar donated by EWR Weather Radar Systems.Model: EWR 600Radar donated by EWR Weather Radar Systems.Model: EWR 600
Tx/Rx
• Frequency: 9.345 GHz (± 30 MHz)• Power Output: 4kW peak• Pulse Width: 4µs• Range: 40Nm (for our purposes)• PRF: 119 Hz (± 10 %)• Receiver Gain: 135dB
Tx/Rx
• Frequency: 9.345 GHz (± 30 MHz)• Power Output: 4kW peak• Pulse Width: 4µs• Range: 40Nm (for our purposes)• PRF: 119 Hz (± 10 %)• Receiver Gain: 135dB
Antenna
• Flat Plate (Slotted Waveguide)• Size : 18” • HPBW: 5.5˚ • Gain: 31.0 dB• Side Lobes : -25 dB• Tilt: 0˚ to 15˚
Antenna
• Flat Plate (Slotted Waveguide)• Size : 18” • HPBW: 5.5˚ • Gain: 31.0 dB• Side Lobes : -25 dB• Tilt: 0˚ to 15˚
System SpecificationsSystem Specifications
LocationCoordinates:18°28'30.30"N67° 7'13.81“W
Coordinates:18°28'30.30"N67° 7'13.81“W
Total radar height in site: 50ft Total radar height in site: 50ft
Radar Data Interface
PR-2 vs Nexrad Comparison
• Data Comparison: EWR vs Nexrad
Observations~ 30˚
Observations cont…
Google EarthGoogle Earth
Observations cont…
Nexrad starts plotting @ ~ 0dBz vs EWR @ 23dBz. Missing Light Rain?Nexrad starts plotting @ ~ 0dBz vs EWR @ 23dBz. Missing Light Rain?
Recent Ideas
Looking into modifying the transmitted pulse width.
Benefits:• Gain coverage within Aguadilla.• Ease the possibility of an external calibration (if in need).
Looking into modifying the transmitted pulse width.
Benefits:• Gain coverage within Aguadilla.• Ease the possibility of an external calibration (if in need).
Next Up…
• Modify EWR Source Code.• Establish DSL – File Transfer to UPRM.• Check for installation errors.• ** Modify pulse modulation for better coverage.
Crucial Needs…• EWR Source Code
• Update: EWR Agreed to give us code. It’s in due process.