SELECT focal_plane_in_ft__m_ FROM table_25597136_1 WHERE tower_height_in_ft__m_ = "46ft (14.0m)"
Di mana tinggi menara dalam ft (m) adalah 46ft (14,0m) bidang fokus adalah ft (m).
CREATE TABLE table_25597136_1 (focal_plane_in_ft__m_ VARCHAR, tower_height_in_ft__m_ VARCHAR)