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February 15, 2020 | International, C4ISR

The next GPS payload will be fully digital

By: Nathan Strout

The navigation payload for the next iteration of GPS satellites has passed its critical design review, contractor L3Harris announced Feb. 11.

According to the company, which is designing and building the system, the new payload will provide a more powerful, reliable and flexible GPS signal than previous satellites.The GPS IIIF satellites will follow the first 10 GPS III satellites—the first of which is already on orbit and operational. The Air Force plans to eventually build 22 GPS IIIF satellites.

While the GPS III satellites use a 70 percent digital Mission Data Unit, the one in the new GPS IIIF payload will be fully digital. According to L3Harris, the new system will “provide more powerful signals and ensure flawless atomic clock operations.”

“The digital payload is flexible enough to adapt to advances in GPS technology and future warfighter mission needs,” said Ed Zoiss, president of L3Harris' space and airborne systems. “Proceeding to the next stage in the GPS IIIF navigation payload development process moves the program closer to supporting evolving Air Force mission requirements.”

With the critical design review complete, L3Harris can move forward with final development, test and delivery. The company has contributed navigation technology to every GPS satellite in orbit.

While L3Harris is designing the navigation payload, Lockheed Martin is the prime contractor for GPS IIIF. The Air Force awarded Lockheed Martin more than $1.3 billion to build the first two GPS IIIF satellites in 2018. Critical design review for the platform is expected in March 2020, according to Space Force budget documents released Feb. 10. Once that is complete and the program passes Milestone C in the third quarter of FY2020, the Space Force will begin procuring additional GPS IIIF satellites with annual contract options.

Delivery of the first GPS IIIF satellite is expected in 2026.

Among their advanced features, GPS IIIF satellites will boast regional military protection capabilities, which allow them to deliver regionally-limited high-power M-Code signals. It will also include new laser retro-reflector arrays that can provide on orbit position determination.

Furthermore, the GPS IIIF satellites are being designed to potentially incorporate technology from Navigation Technology Satellite 3, an Air Force Research Laboratory space vehicle that will be used to test a variety of position, navigation and timing technologies. L3 Harris is the prime contractor on that program, which recently passed its preliminary design review.

https://www.c4isrnet.com/battlefield-tech/space/2020/02/12/the-next-gps-payload-will-be-fully-digital/

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  • xTechSearch: Army Picks Top 10 Tech Innovators

    March 23, 2020 | International, Aerospace, Naval, Land, C4ISR, Security

    xTechSearch: Army Picks Top 10 Tech Innovators

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Yesterday, in a brief webcast, xTechSearch program manager Zeke Topolosky read out the 10 semifinal winners, who'll receive $120,000 each and – even more important for many of the competitors – access to Army expert mentors to help refine their pitch and their product for military use. One final winner will be picked to receive $250,000 this fall, hopefully at AUSA's grand annual meeting in October if the coronavirus permits. Topolosky spoke to me at length by phone after the announcement. What follows, in his own words (edited for brevity and clarity), is what excited the Army about each of the 10 winners. Zeke Topolosky, Program Manager, Army xTechSearch: It's 20 semifinalists that presented the last two days. This is a selection of all of the top technologies from all of the different technology areas. All that is evaluated by 28 judges over the past two days, from all different fields, very senior technical experts, acquisition experts, end users, and soldiers. 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IoT/AI, these guys kind of blew the socks off the judges. Essentially, they had a device that was hardened against cyber attacks and other interference. They're also able to do all this on an edge device, in this black box that you can take to the field, as opposed to having to send data back to a server. It's just one less vulnerability. Everything can be done there on the edge. It's kind of the golden nugget for deploying AI for the Army, where it's going to be done in forward deployed areas, without infrastructure, without these computing resources that are power draining, in vulnerable areas where the enemy is trying to mess them up. Deploying artificial intelligence in the Army is going to be way more difficult than all the things we see being developed on the commercial side, from self-driving cars to Alexa. Lots of people are developing algorithms, but we don't necessarily have the hardware to make that a reality for the Army, that's really sort of missing right now. IOT/AI, what they're providing is some of the hardware solutions to make that a reality. LynQ Technologies, this was a very strong company, it had strong VC backing, which de-risks a lot for the Army, and they've also been recognized by Techstars, out of the Air Force. It's a very mature product. There's a real near-term win with this, because it's a ready-to-go product that we could be using now to locate injured soldiers in the field, downed pilots, lost cargo, et cetera. It was a very strong company, well-backed on the commercial side. They clearly had a capability that they could deliver the Army now that we don't have. KeriCure – deployable wound care products. Like LynQ, this was a very mature product: You can go on Amazon and buy their product now. It was just a wonder why the Army doesn't have this in their kit. Field medics right now could be using this. 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What they presented showed a leap-ahead capability for a far lower cost. If it can be realized, it's a game changer here for assured position, navigation, and timing, which helps you with things like communications, navigation, et cetera, especially in a congested or a GPS-denied environment. Multiscale Systems, this is a company that competed in a previous round of xTech, when they were a little less mature. They had a meta-material, an engineered material, so you could customize the properties of the material and how you build it. They're able to make materials for air traffic, cargo, and even lining truck beds, much lighter, much stronger than what we currently have, and for cheaper. With the Army where, especially in logistics and transportation, they can have an immediate impact and save a lot of money and a lot of weight, especially when airdropping cargo and containers and things like that. Beyond that, there just seems to be a lot of other applications for these materials. Granted, they will need some work in lowering the cost to produce them, but the product itself could be a huge cost savings for the Army and lighten the load a lot in aircraft and ground logistics platforms. Novaa, that's the next generation SATCOM [satellite communications]. What these guys are proposing is a brand-new way of handling the spectrum. In the Army, we are constantly having to tap into multiple frequencies, so you'll see vehicles, aircraft driving around with lots of antennas on them. If you're on SATCOM, if you have a radar system, if you're doing high frequency, ultra-high frequency, everything requires a different physical antenna — and all of these antennas take up space. Not only that, they stick out, they get snagged, get caught, these antennas break. And worst of all, they are targets. They're highly visible. They stick out like a sore thumb, and they let the enemy know, hey, this is a vehicle of importance, it's got communication gear or sensor gear. What they are offering is an antenna designed to replace all those antennas with one single aperture, with a very low profile. The space savings, the drag savings, and the concealed nature of it, on top of having the complexity and the cost of all these antennas replaced with just one, was very appealing. It was the antenna design, but it was the architecture that goes with it as well, to be able to handle from one aperture, all these other systems that have to tap into that antenna. Really a potentially revolutionary way of approaching the spectrum. Vita Inclinata is the last one. This is another repeat company, they had previously been in the competition and had come back. They make a stabilization system for helicopters that are hoisting up either cargo or gurneys with injured people on them. This is a huge problem in the rescue operations, where a little gust or just the wrong movement can cause a load to spin out of control. There's instances where the Army is dropping expensive cargo because it would bring down the helicopter when they get into a spin, even losing injured people that are being medevac'ed because of these spins. Even rigging these hoist systems is extremely dangerous and requires somebody on the ground. Vita Inclinata, they've developed fully autonomous solution that completely stabilizes any loads, from just a wounded person to tens of thousands of pounds of cargo. They have a ready-to-go, pretty well tested device that could be added on to any helicopter. Since last year, their company has progressed a lot, with lots of interest across the services and the commercial side, landed some good investments and contracts. And this time around, they really understood where the niche was, where the Army needed this the most. Last year, they were trying to talk to the Future Vertical Lift folks about, “your new aircraft could use this.” But it's really all the helicopters, especially the existing ones that we're using now. The Army does not have this capability and it's desperately needed. https://breakingdefense.com/2020/03/xtechsearch-army-picks-top-10-tech-innovators

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    July 31, 2020 | International, Aerospace

    Japan commits to local F-35 production

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