An aircraft has to communicate with a VHF station at a range of 300nm, if the ground station is situated 2,500ft amsl, which of the following is the lowest altitude at which contact is likely to be made?
a. 190ft
b. 1,378ft
c. 36,100ft
d. 84,100ft
a. 190ft
b. 1,378ft
c. 36,100ft
d. 84,100ft