Space

Question 1

Terrestrial Sensor Employment Considerations - Mechanical Radars (Footstomp)

Answer 1

Physically UNABLE to track large number of objects
Mechanical Radars are 360 deg in azimuth
Key geo locations for tracking NFL

Question 2

Terrestrial Sensor Employment Considerations - Phased Array Radar

Answer 2

Fixed azimuth and elevation

CAPABLE of tracking large number of objects

Question 3

Terrestrial Sensor Employment Considerations - Electrical Optical

Answer 3

Limited by inclement weather

Moon exclusion zones limit viewing

Question 4

Space Based Sensor Employment Considerations - Sun-Synch orbit (Footstomp)

Answer 4

LEO based sensor looked out to GEO

Question 5

Theater Event System (TES) Redundant Reporting Systems

Answer 5

Space-based infrared system (SBIRS)
Joint Tactical Ground Station (JTAGS)
Tactical Detection and Reporting (TACDAR)

Question 6

SATCOM freq band - UHF (Footstomp)

Answer 6

Flexibility

• CIB broadcast
• Mobile terminals
• Tac Comms
• EAM

Question 7

SATCOM freq band - SHF (Footstomp)

Answer 7

Capacity

• NIPR, SIPR, JWICS
• RPA links
• EAM

Question 8

SATCOM freq band - EHF (Footstomp)

Answer 8

Survivability

• EAM
• Nat’l Cmd auth survivable communications

Question 9

GPS Standard Positioning Service (SPS)

Answer 9

Civilian, coarse acquisition (C/A) code based, ~5m

Question 10

GPS Precise Positioning Service (PPS)

Answer 10

Military, Precise code (P-code) based, encrypted with Y, ~2m

Question 11

GPS Future Codes

Answer 11

M-Code, improved signal strength, more jam-resistance

Question 12

GPS capes for enhanced nav solutions and protection (Footstomp)

Answer 12

Flex Power, Tactical Optimization (TacOps), SAASM

Question 13

Define Dilution of Precision

Answer 13

Error due to geometric relationship of the satellites and receiver