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GPS III Launching Today But You Can’t Use it Until 2022

Author: Al Williams / Source: Hackaday

Imagine if you bought a new car but they keys were not going to be shipped to you until a few years later. That’s analogous to the situation the U.S. Air Force finds itself in. The first GPS III satellite is finally ready to launch today, December 18, 2018 — a little over 2 years beyond the original schedule.

However, most of the unique GPS III features won’t be available until at least 2022, according to a 2017 Government Accounting Office (GAO) report to Congress.

GPS III is a project to launch 32 new satellites that will — for military users — be more difficult to jam. For civilian users, the new GPS satellites will be compatible with other systems, including the EU’s Galileo system. But the big draw? About three times the accuracy of the current system. For civilian use, that means 3 to 10 feet under good conditions as opposed to the current systems’ 10- to 33-foot resolution.

Coming Not So Soon

The real delay is not the satellites themselves, but a new ground control system. For now, only a few of the military benefits and none of the civilian benefits will be available until about 2022 or 2023. The ground station project, called the Operational Control System (OCX), is now 4 years behind schedule and is projected to come in at $2.5 billion dollars over budget. The Defense Department is blaming the need to address cybersecurity issues as driving at least some of the overrun. There is one hopeful point: the main contractor, Raytheon, claims they are on track to deliver in 2021, beating the GAO estimates.

Several GPS III satellites under construction

Even the enhanced military performance will come at a price: They’ve decided to upgrade the existing…

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