E1B05 (B) [97.15]
What height restrictions apply to an amateur station antenna structure not close to a public use airport unless the FAA is notified and it is registered with the FCC?
A. It must not extend more than 300 feet above average height of terrain surrounding the site
B. It must be no higher than 200 feet above ground level at its site 
C. There are no height restrictions because the structure obviously would not be a hazard to aircraft in flight
D. It must not extend more than 100 feet above sea level or the rim of the nearest valley or canyon
