In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.

Ukuba iindidi zomntla beziyi-20°W okanye 340° esi silungiso sibe kwindawo yeNtshona izakwenziwa iye ku-250° into ethetha ukuba zonke ukuphambuka kuye kwalungiswa (W ingu-270).
if north variation was 20° W or 340° then this correction has in the W position to be made to 250° which means that all the deviation has been corrected (W is 270°).