Normally, three gyroscopes are required for operation; observations are still possible with two, but the area of sky that can be viewed would be somewhat restricted, and observations requiring very accurate pointing are more difficult.. 
Oríṣṣṣiri àwọn Amudo ilé-iṣẹ́ elérò na tún lè wa, bi Klórílórí bi àsén tàbí àdàpọ̀, Flux (nínú àdàpọ̀), ti Antilan ní sulwọ́ nínú àdàpọ̀ bí sulrànu Olofarajini (so (opo-opo amúrisi to ipele ayé ayé ṣe pín sí ipele pàtàkì marún.. 