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Antenna builder ThinKom makes push for constellation market - SpaceNews.com Oct 2018
"ThinKom tested a phased array antenna with SES in August, practicing links with O3b satellites in medium Earth orbit as they rose over the horizon and then tracking them for 30 minutes each.

"Last month, ThinKom and Telesat announced plans to test an antenna with a Telesat prototype satellite in low Earth orbit (LEO) and to collaborate on business-grade terminals for Telesat’s planned 120-satellite LEO constellation. "

"The absence of such flat-panel antennas, as constellations start launching and high-throughput geostationary satellites grow in number, has satellite operators “all pretty much desperate to see somebody bring a solution to market,” according to Chris Quilty, president of Quilty Analytics. "

"ThinKom is best known for its ThinAir Ku3030 antennas that inflight connectivity provider Gogo builds into its 2Ku airplane Wi-Fi terminals. ... Bill Milroy, ThinKom’s chairman and chief technical officer, said his company intends to use the same phased array technology it has used for antennas on aircraft "

"SES is attempting to cultivate commercially viable flat-panel antennas for O3b mPower, its next-generation constellation, having contracted with Viasat, Alcan Systems and Isotropic Systems last year to build electronically steered antennas. "

"ThinKom’s approach differs from SES’s other three partners in that its antennas don’t use electronic steering, despite being relatively flat. The aeronautical antenna it is testing with SES is 20 centimeters thick and uses mechanical systems to track satellites. "

"Whereas a ThinKom antenna requires around half a second to switch satellites, an electronically steered antenna has the potential to switch in microseconds"

"ThinKom is targeting $10,000 for enterprise, or business-grade, terminals. ... For consumer terminals, ThinKom is targeting “sub-$1,000” prices."
ThinKom  SES  MEO  NGSO  satellite  antennas  Telesat  O3b  LEO 
october 2018 by pierredv
Antenna-makers Produce Multi-band Antennas To Serve Inflight Broadband | Aviation Week Jul 2018
"In June electronically-steered antenna (ESA) developer Phasor announced a partnership with Astronics AeroSat to produce scalable, dual-beam ESA-based aeronautical terminals that will operate seamlessly with existing geostationary (GEO) satellites and under-development non-geosynchronous satellites such as low Earth orbit (LEO) constellations."

“Our ESA aperture has the ability to be single-beam or dual-beam, so you can have a second, independent beam pointing at a different satellite, which gives all kinds of flexibility,” says Helfgott. “You can look at two satellites at the same time or, with the LEOs, you can do a make-before-break where you track a LEO satellite and create a second channel for a different LEO satellite traveling in a different direction.”

"A few days before the Phasor/Astronics announcement, ThinKom Solutions, whose mechanically steered antennas form the basis of Gogo’s 2Ku inflight connectivity service, said its technology is now “fully interoperable” with GEO, LEO and MEO (medium-Earth orbit) satellites."
AviationWeek  Phasor  antennas  satellite  broadband  GEO  LEO  ThinKom 
july 2018 by pierredv
July 2018 - Evolutionary Antenna Tech Inspires the Future of Satellite Constellations | Via Satellite June 2018
"Following seven years of development, Phasor’s electronically steered antennas began testing in commercial use cases this year. These antennas are barely 2.5 centimeters thick, and are designed to be conformal in order to look at a wider angle 180 degrees, with dual-beam technology making them LEO and GEO interoperable."

"LeoSat, for example, sees itself as a disruptor in the defense market — which has traditionally relied upon GEO systems."

"By their own admission, Phasor will never be at the bottom of the food chain. And, while the super yachts of the world number in the thousands, fishing boats number in the millions"

"Isotropic Systems aims to be one of the leaders working to connect smaller maritime vessels and flight routes in India, Africa and Latin America. One way to achieve that, they believe, is by reducing the price point of terminal systems by 70 to 90 percent."
satellite  antennas  C-Com  Phasor  LEO  GEO  AvL  LeoSat  ThinKom  aviation  maritime  IsotropicSystems 
june 2018 by pierredv

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