TDRS H, I & J Satellites are "Second Generation" and have been launched by Hughes Corporation and are operational.

Ka-band Capability

Ka-band forward - White Sands Center to seismic vessel: 50 Mbps

Ka-band return - seismic vessel to White Sands Center:  800 Mbps,

MA Onboard ‘Beam Forming’

S-band

Return Rate up to 3 Mbps

All Capabilities of TRW Built TDRS F1-F7 Except C-band