Short waves
High frequency
Long waves
Low frequency
HF = MHz
VHF =MHz
HF = 3 - 30 MHz
VHF = 30 - 300MHz
Transponder
1200 - standard
7700 - emergency
7600 - lost coms
7500 - hijaking
ELT =
Emergency locator transmitter
Radio transmissions are in
LST
UTC
MSA
UTC
General CTAF no.
126.7
Free chat line no.
123.45
Radio waves travel at
- speed of sound
- speed of light
Light