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gptkbp:instance_of
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gptkb:satellite
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gptkbp:capacity
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supports millions of users
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gptkbp:constellation
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24 satellites
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gptkbp:coverage
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global coverage
resistant to jamming
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gptkbp:data_type
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navigation data format
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gptkbp:data_update_rate
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1 second
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gptkbp:data_usage
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50 bps
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gptkbp:debut
|
2005-05-05
2009-06-30
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gptkbp:design
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7.5 years
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gptkbp:equipment
|
GPS receivers
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gptkbp:expansion
|
expanded with new satellites.
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gptkbp:frequency
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L-band
1.57542 GHz
-130 d Bm
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gptkbp:function
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gptkb:navigation
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gptkbp:home_ground
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gptkb:Master_Control_Station
operates from multiple locations
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|
https://www.w3.org/2000/01/rdf-schema#label
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GPS IIR-M satellites
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gptkbp:image_processing
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advanced signal processing techniques
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gptkbp:is_integrated_with
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integrated with other systems
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gptkbp:launch_date
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gptkb:2005
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gptkbp:launch_platform
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gptkb:United_Launch_Alliance
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gptkbp:launch_site
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gptkb:Cape_Canaveral_Air_Force_Station
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gptkbp:launch_vehicle
|
gptkb:Delta_II
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gptkbp:launched
|
gptkb:12
|
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gptkbp:lifespan
|
about 10 years
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gptkbp:manufacturer
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gptkb:Lockheed_Martin
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gptkbp:market_segment
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gptkb:United_States_Air_Force
civilian and military
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gptkbp:modifications
|
improved signal accuracy
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gptkbp:modulation
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gptkb:CDMA
|
|
gptkbp:navigation_system
|
high navigation accuracy
broadcasts time and position
satellite-based navigation system
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gptkbp:operational_status
|
operational
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gptkbp:orbit_type
|
gptkb:12
L1, L2, L5
medium Earth orbit satellite
block IIR-M design
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gptkbp:orbital_altitude
|
20,200 km
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gptkbp:orbital_period
|
12 hours
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gptkbp:part_of
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gptkb:Earth_observation
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gptkbp:performance
|
within 5 meters
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gptkbp:power_source
|
solar panels
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gptkbp:reliability
|
high reliability
|
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gptkbp:replaced_by
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gptkb:GPS_IIR_satellites
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gptkbp:security
|
encrypted military signals
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gptkbp:signal_channel
|
multiple channels
|
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gptkbp:signal_compatibility
|
compatible with older GPS signals
|
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gptkbp:signal_features
|
multiple signal features
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gptkbp:signal_redundancy
|
multiple signal frequencies
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gptkbp:status
|
active
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gptkbp:successor
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gptkb:GPS_IIF_satellites
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gptkbp:system
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GNSS
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gptkbp:system_development
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developed by U. S. Department of Defense
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gptkbp:updates
|
periodic updates to satellites
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gptkbp:user
|
open access for civilian use
|
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gptkbp:user_countries
|
available for global use
|
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gptkbp:user_range_accuracy
|
within 1 meter
|
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gptkbp:weight
|
1,600 kg
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gptkbp:wi_fi
|
high availability
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gptkbp:bfsParent
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gptkb:GPS_IIR_satellites
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gptkbp:bfsLayer
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6
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