I-4K is a satellite bus being developed by Indian Space Research Organisation (ISRO).[1][2] It will be a standard bus for 4,000–6,500 kg (8,800–14,300 lb) class communication satellites;[3] the I in I-4K stands for INSAT, a group of communication satellites developed and launched by ISRO. The I-4K spacecraft bus can supply DC power of 10 to 15 kilowatts.[1][4]

List of satellites being developed with I-4K bus

See also


  1. ^ a b Indian Space Research Organisation - Current Programmes
  2. ^ GSAT-11 Archived 2014-01-07 at the Wayback Machine
  3. ^ ISRO: I-3K (I-3000) Bus
  4. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2012-06-17. Retrieved 2014-02-07.CS1 maint: archived copy as title (link)