Isivoko noma idunambumbulu [lower-alpha 1] siyinto, ngokuvamile umkhumbi-mkhathi, obekwe emzileni ozungeza indikimba esezulwini . Izivoko zisetshenziswa ngokuhlukahlukene, kuhlanganisa ukudluliswa kwezokuxhumana, ukubikezela isimo sezulu, ukuzulazula ( GPS ), ukusakaza, ucwaningo lwenzululwazi, nokudlozwa komhlaba. Ukusetshenziswa okwengeziwe kwezempi kuhlanganisa ukushulubeza, isixwayiso esandulelayo, iziyabizo zokwaziswa kanye, uma kungenzeka, ukufufuthwa kwezikhali. Ezinye izivoko zihlanganisa izigaba zokugcina zeziCibazulu ezibeka izivoko ozungezweni kanye nezivoko eziwusizo ezigcina zingasasebenzi.
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Two 3U CubeSats
Ama-CubeSats amabili ayizivoko azungeza uMhlaba ngemva kokukhishwa engosini ye Kibō yeSikhumulo samaZwe esisemkhathini.