. . . . . . "05130402-n"^^ . "skip distance"^^ . "0"^^ . . . "the shortest distance that permits radio signals (of a given frequency) to travel from the transmitter to the receiver by reflection from the ionosphere"@en-us . "105130402"^^ . . "0"^^ . "104844234"@en-us . . "skip distance"@en-us .