1-29. What does the first column in a C-element orbital prediction message indicate? 1. The satellite number 2. The epoch date 3. The mean motion 4. The inclination angle 1-30. When data is used from a Satellite Equator Crossings message, how often must the SMQ-11 be updated? 1. Daily 2. Every 2 days 3. Weekly 4. Every 2 weeks 1-31. The polarization of an electromagnetic wave is referenced to which of the following  components? 1. The   electrical   field 2.     The   magnetic   field 3. The complete sine wave 4. The radar echo Figure 1-B IN ANSWERING QUESTIONS 1-32 and 1-33, REFER TO FIGURE 1-B. THIS FIGURE REPRESENTS  AN  ELECTROMAGNETIC  SINE WAVE. 1-32. 1-33. 1-34. 1-35. 1-36. Which line segment represents a measurement of wavelength? 1. A-B 2. A-C 3. D-E 4. D-F Which line segment represents a measurement of amplitude? 1. A-B 2. A-C 3. D-E 4. D-F Which of the following frequencies has the shortest wavelength? 1. 105 Kilohertz 2. 80 Megahertz 3. 5 Gigahertz 4. 200 Gigahertz Which of the following would have the greatest   reflectivity? 1. Dust 2. Hail 3. Drizzle 4. Snow Which of the following pulse lengths would provide the best range resolution? 1. 1.57  microseconds 2. 4.50 microseconds 3. 0.75 seconds 4. 1.50  seconds