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→Different versions of the TDRS: table with feature sets of TDRS generations (from reference) |
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* Mass: 2108.0 kg
* Nominal power: 1700.0{{nbsp}}W
{|class="wikitable sortable collapsible"
|-
!colspan=2 |Capability
|1st gen
|2nd gen
|3rd gen
|-
|colspan=2 style="background:#3d4;"|[[Solar panels|Solar Panels]]
|2
|2
|2
|-
|colspan=2 style="background:#f99;"|Single Access Antenna
|2
|2
|2
|-
|style="background:#f99;"|
|[[S band]]
|yes
|yes
|yes
|-
|style="background:#f99;"|
|[[Ku band]]
|yes
|yes
|yes
|-
|style="background:#f99;"|
|[[Ka band]]
|no
|yes
|yes
|-
|colspan=2 style="background:#3d4;"|Multi Access Antenna
|
|
|
|-
|style="background:#3d4;"|
|receive elements
|30
|32
|32
|-
|style="background:#3d4;"|
|transmit elements
|12
|15
|15
|-
|style="background:#3d4;"|
|[[beamforming]]
|
|on-board
|ground
|-
|style="background:#3d4;"|
|[[S band]]
|yes
|yes
|yes
|-
|colspan=2 style="background:#f99;"|Omni Antenna
|
|
|
|-
|style="background:#f99;"|
|[[S band]]
|yes
|yes
|yes
|-
|colspan=2 style="background:#3d4;"|Space-to-ground Antenna
|2.0m
|2.4m
|
|-
|style="background:#3d4;"|
|[[S band]]
|yes
|yes
|yes
|}
=== Launch history ===
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