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What is GPS / GNSS Anti-Jamming?

Aerospace & Defense GNSS 

Editorial Team

Sep 5, 2024
GNSS Anti-Jamming refers to a set of technologies and techniques designed to protect Global Navigation Satellite System (GNSS) receivers from intentional interference, commonly known as jamming. Jammi...read more

What is the L6 GNSS Frequency Band?

GNSS 

Editorial Team

Jul 2, 2024
The L6 GNSS Frequency band refers to the GNSS frequency corresponding to a frequency of 1278.75 MHz that is used to carry correction information from GNSS constellations like Galileo high-accuracy ser...read more

Exploring GNSS Timing Applications Using RF-over-Fiber

Aerospace & Defense Antennas GNSS IoT 

Meir Bartur, President and CEO of Optical Zonu

Optical Zonu

Oftentimes people confuse truly remarkable technologies with the mundane simply because “it just works.” There is no evidence of this quite like with wireless communication. There are coun...read more

What is the GPS L1 Band?

GNSS 

Editorial Team

Mar 5, 2024
The GPS L1 band is the primary frequency band used by the Global Positioning Satellite constellation. It has a center frequency of 1575.42 MHz and a bandwidth of 15.345 MHz. The frequency range of the...read more

What is the GPS L2 Band?

GNSS 

Editorial Team

Mar 20, 2024
The GPS L2 band has a center frequency of 1227.60 MHz and a bandwidth of 11 MHz. The frequency range of the GPS L2 Band is 1221.1 to 1233.1 MHz. The GPS L2 band has a lower operating frequency than th...read more

What is the GPS L5 Band?

GNSS 

Editorial Team

Mar 20, 2024
The GPS L5 band has a center frequency of 1176.45 MHz and a bandwidth of 12.5 MHz. It operates in the frequency range from 1170.2 to 1182.7 MHz. The broadcast of GPS signals in the L5 band has been re...read more

What is APNT or Assured Positioning, Navigation and Timing?

GNSS 

Editorial Team

Aug 26, 2023
Assured Positioning, Navigation and Timing (APNT) refers to the set of technologies, techniques, and strategies that ensure the continuous and accurate availability of positioning, navigation, and tim...read more

Challenges and Solutions in Implementing Software-Defined Radios (SDRs) for GNSS

GNSS Software Defined Radios 

Brandon Malatest

Per Vices

Introduction to GNSS Receiver TestingGNSS receiver testing plays a critical role in ensuring accurate and reliable positioning, navigation, and timing (PNT) information. Thorough testing methodologies...read more

GNSS Antenna Selection Guide

Antennas GNSS 

Baha Badran

Taoglas

As GNSS technology continues to advance, a new reality is emerging. Our world increasingly relies on location-based services for daily activities, and this trend is set to continue. According to resea...read more

What is GPS IIIF?

GNSS 

Editorial Team

Apr 14, 2023
GPS IIIF satellites (Block IIIF series) are the second set of GPS III satellites, which will consist of up to 22 space vehicles. The launch of Block IIIF satellites is expected to begin no earlier tha...read more

Satellite Time and Location (STL) Technology

GNSS Satellite 

Editorial Team

Apr 10, 2023
Satellite Time and Location (STL) Technology or STL, is a global Positioning, Navigation, and Timing (PNT) service developed by Satelles Inc, a company that provides GPS-based PNT satellite services, ...read more

Recreating Reality in Lab-Based GNSS Testing

GNSS Test & Measurement 

Adam Price

Spirent Communications

Practice makes perfect. But how you practice goes a long way towards deciding just how close to perfection you can get. This is particularly true when developing products that depend on precision tech...read more

What is Galileo Public Regulated Service (PRS)?

GNSS 

Editorial Team

Aug 28, 2022
The Galileo PRS (Public Regulated Service) is an encrypted positioning, navigation and timing service provided by the Galileo satellite system, an independent, global, European-controlled satellite-ba...read more

What is the difference between GPS Jamming and Spoofing?

GNSS 

Editorial Team

Aug 21, 2022
Spoofing and Jamming are two ways in which adversaries may attempt to disrupt position, navigation and time solutions derived from GPS / GNSS. Spoofing is when a GPS receiver is made to calculate a fa...read more

What are Selective Availability Anti-Spoofing Modules (SAASM)?

Aerospace & Defense GNSS 

Editorial Team

Aug 20, 2022
Selective Availability Anti-Spoofing Modules (SAASM) are GPS modules used by the United States military that has access to more precise and encrypted P(Y) code signals of the GPS constellation. These ...read more