GLONASS: The decade of transition to CDMA signals

Figure 1. Initial GLONASS FDMA signals spectrum in L1 band. Image: Sergey Karutin GLONASS remains a core of Russia’s positioning, navigation and timing (PNT) system and is utilized by people around the world. Annual shipments of new GLONASS/GNSS receivers for…
New Receivers for More Signals

JAVAD GNSS’ Triump-1Mh Plus receiver has 874 channels for acquiring all available GNSS satellites and patented mobile antenna technology for robust UHF and cellular communications. (Image: JAVAD) As most readers of this magazine know, GPS, like the other three GNSS,…
Amateurs with smartphones help monitor GNSS signals in space

This graphic represents measurements uploaded via the CAMALIOT app by thousands of volunteers. (Image: ESA) More than 11,000 people around Europe and the world have turned their smartphones into GNSS monitoring tools by downloading the CAMALIOT app, so far delivering…
Septentrio receiver authenticates Galileo OSNMA signals

A Septentrio receiver has successfully authenticated navigation data of the first OSNMA encrypted GNSS satellite signal. OSNMA (Open Service Navigation Message Authentication) offers end-to-end authentication on a civilian signal, protecting receivers from spoofing attacks. OSNMA is being pioneered by the…

Senate joined House to override Trump’s veto, making bill into law The U. S. Congress, especially the Armed Services Committees, have long been concerned about GPS and positioning, navigation and timing (PNT) issues. Over the past two decades, Congressional hearings,…
NavIC L5 signals now available on NovAtel OEM7 receivers

The OEM7 series. (Photo: NovAtel) The NavIC Indian constellation is now supported in NovAtel’s latest firmware release for its OEM7 series of GNSS receivers. The 7.05.04 firmware release for OEM7 provides the following benefits: Users can achieve a single point…
Hangar repeater solution enables indoor avionics testing of GPS signals

Image: Foxcom Foxcom, a subsidiary of Global Invacom, has launched a solution that enables aircraft ground engineers to undertake 24/7 avionics testing of Inmarsat, Iridium and GPS satellite signals indoors. The Hangar Repeater Solution enables engineers involved in maintenance, repair and…
Javad GNSS tracks new BeiDou AltBoC signals

Recently launched satellites of BeiDou Phase 3 program have started broadcasting new signals. Javad GNSS announced successful tracking of these signals and provided the adjacent figures. Interface control documents (ICDs) for B1C and B2A signals are available, while an ICD…