AtSc 231 - Avit wx - Block 1 review Questions with complete solution

AtSc 231 - Avit wx - Block 1 review
Questions with complete solution
What is RADAR an acronym for? - correct answer ✔Radio Detection And
Ranging


How do RADARs work? - correct answer ✔- Detects objects with radio
(electromagnetic) waves by transmitting pulses of electromagnetic waves, and
the energy is reflected back by atmospheric phenomena


What can the Radar measure? - correct answer ✔-Power of returning signal
-Position of phenomena (azimuth, range, & elevation)
-Aggregate motion of phenomena
-Velocity structure of aggregate phenomena


What wavelength does a radar transmit at? - correct answer ✔Microwave
wavelengths


(radar) band L - correct answer ✔1-2 GHz ; 30-15 cm (20cm)


- Used by ATC
-Not sensative to precipitation sized particles


(radar) band S - correct answer ✔2-4 GHz; 15-8 cm (10cm)


-Ground Based Weather Radar
-Sensative to precip particles