INPUT: frequency, band, units
OUTPUT: wavelength
CONSTANTS:
METERS TO FEET = 3.28
SPEED OF LIGHT = 299,792,458 meters per second
IF band = "AM"
THEN
wavelength = SPEED OF LIGHT/frequency
IF band = "FM"
THEN
wavelength = SPEED OF LIGHT x 1000/frequency
IF units = "feet" [Note: units are, by default, in meters]
THEN
wavelength = wavelength x METERS TO FEET
OUTPUT: wavelength