RADIO AIDS OX BACK QUESTIONS

#6. What is the wavelength corresponding to a frequency of 375 kHz?

• A8 m
• B80m
• C800m
• D8000m

#7. A NDB transmits a signal pattern which is

• Aa 30 Hz polar diagram
• Bomni-directional
• Cbi-lobal pattern
• Da beam rotating at 30 Hz

#43. The quoted accuracy of VOR is valid:

• Aat all times
• Bby day only
• Cat all times except night
• Dat all times except dawn and dusk