By Inder Jeet Gupta It is well known that the phase center of a GNSS antenna can vary with the satellite direction. This phase center movement leads to aspect dependent carrier phase and code phase...
Partnering with the U.S. Coast Guard Navigation Center (NAVCEN), U.S. Space Force and Lockheed Martin Space have released the GPS IIR/IIR-M satellite antenna patterns for worldwide public use....
Back again in Portland, Oregon, the 2016 Institute of Navigation’s ION GNSS+ conference was a great opportunity for the GNSS community to catch up on what’s been cooking in the...
U‑blox components are at the core of two new GNSS golf products. The golf rangefinder wearables were launched by Voice Caddie, an international brand of rangefinders and trackers based in South...
NASA will be hosting the national space-based PNT advisory board meeting on July 1. The meeting will be held virtually, rather than in-person, 11 a.m. to 3 p.m. Eastern Time. NASA sponsors the...
The White House Office of Science and Technology Policy is asking for ideas on what technology to research to protect GPS. The research and development dollars are earmarked for projects that...
Image: BeiDou program On Sept. 23, the China BeiDou Application Conference and the Ninth Annual Conference of China Satellite Navigation and Location Services were held in Wuhan, according to a...
Yesterday we posted news of an 11-hour downtime for the full GLONASS constellation, due to an upload of bad ephemerides. Coincidentally, during that 11-hour period, the mass-market chip company...
David Last (Photo: @harriethallphoto via Dana Goward) The Resilient Navigation and Timing (RNT) Foundation is leading a drive to establish a scholarship fund in honor of the late Professor David...
A ULA Delta IV rocket carrying GPS III SV02 lifts off from Space Launch Complex-37 on Aug. 22. (Photo: ULA) The Space and Missile Systems Center achieved a major GPS milestone on March 27 with the...
Photo: IFEN IFEN has launched the SX3 receiver. The company’s previous scientific software receiver, the SX‐NSR, was subject to major upgrades, while the respective hardware front-end...
Two F-16 Fighting Falcons fly over Edwards AFB during a 2009 air show. (Photo: U.S. Air Force/Chad Bellay) The U.S. Air Force in September will begin testing on F-16’s an alternative...
TEOCO, a provider of assurance, analytics and optimization solutions to communications service providers, has expanded the testing capabilities of its AIRCOM Device Test Lab in Columbia, Maryland,...
Image: BeiDou program On Sept. 23, the China BeiDou Application Conference and the Ninth Annual Conference of China Satellite Navigation and Location Services were held in Wuhan, according to a...
Facebook has selected Tallysman’s TW2643POC GPS/Iridium antenna for the Facebook Open Cellular Platform. Facebook’s Open Cellular group is developing a cost-effective, software-defined,...
GPS World , in conjunction with Spirent Federal Systems, will be hosting a webinar on Oct. 8 that will cover GPS program updates, as well as the program’s role in the Space and Missile...
Photo: NovAtel An applications engineer and his sky-jumping bud don wingsuits to test a NovAtel GNSS receiver integrated with an Epson IMU. In September 2019, a specialized team assembled at an...
Jackson Labs Technologies Inc. (JLT) has entered the GNSS simulation and synthesis market with the small size, weight and power (SWAP) CLAW GPS/GNSS simulator. The CLAW is only slightly larger...
Jackson Labs Technologies Inc. (JLT) has entered the GNSS simulation and synthesis market with the small size, weight and power (SWAP) CLAW GPS/GNSS simulator. The CLAW is only slightly larger...
Autonomous GPS Positioning at High Earth Orbits To initially acquire the GPS signals, a receiver also would have to search quickly through the much larger range of possible Doppler shifts and code...