GPS IIIA | Wikipedia audio article
Channel: wikipedia tts
Date: 23/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/GPS_Block_IIIA


00:00:39 1 History
00:01:46 2 Development
00:04:19 3 New navigation signals
00:04:29 3.1 Civilian L2 (L2C)
00:08:49 3.2 Military (M-code)
00:11:54 3.3 Safety of Life (L5)
00:14:06 3.4 New Civilian L1 (L1C)
00:15:22 4 Improvements
00:17:25 5 Control Segment
00:18:02 5.1 Next-Generation Operational Control Segment (OCX)
00:19:38 5.1.1 OCX Block 0 (Launch and Checkout System)
00:20:28 5.1.2 OCX Block 1 (Civilian GPS III features)
00:21:33 5.1.3 OCX Block 2 (Military GPS III features, Civilian Signal Monitoring)
00:22:25 5.2 Contingency Operations
00:23:33 5.3 Deployment Schedule
00:23:41 6 See also



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SUMMARY
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GPS Block IIIA consists of the first ten GPS III satellites, which will be used to keep the Navstar Global Positioning System operational. Lockheed Martin designed, developed and manufactured the GPS III Non-Flight Satellite Testbed (GNST) and all ten Block IIIA satellites. The first satellite in the series was projected to launch in 2014, but significant delays pushed the launch to December 2018. The tenth and final GPS Block IIIA launch is projected in Q2 2023.