Tacsat 4

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General

Designation	37818 / 11052A
Launch date	27 Sep 2011
Country of origin	United States
Mission	military technology demonstrator
Perigee/Apogee	748 / 12000 km
Inclination	63.6°
Period
Launch vehicle	Minotaur #13

Operated by the US Navy.

Experiments with new satellite communications techniques.

To test communications-on-the-move for existing radios without requiring antenna pointing and providing 10 Ultra High Frequency (UHF) channels. It provides flexible up and down channel assignments, which increases the ability to operate in busy, and sometimes restrictive, UHF environments.

The project will potentially provide the option for launching smaller highly elliptical orbit (HEO) satellites and enabling 24-hour coverage in multiple regions simultaneously, allowing the military to achieve the benefits of a combined HEO and geosynchronous orbit constellation.

sat-index articles

Technical data

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Specifications

Prime contractor	NRL
Platform	ORS
Mass at launch
Dry mass
Dimension
Solar array
Stabilization
DC power
Design lifetime

Beacon at 2206.10 MHz

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