Technical Articles on GNSS

Technical Articles on GNSS are listed on everything RF. This section consists of technical articles written by the everything RF editorial team and by leading companies whose expertise lies around GNSS. Visit everything RF to read technical articles on various topics.

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GPS Frequency Bands

Aug 22, 2021

The Global Positioning System (GPS) is a satellite-based navigation system made up of over 24 satellites. GPS works in any weather conditions, anywhere in the world, 24 hours a day, with no subscripti...read more

BeiDou Frequency Bands

Sep 18, 2018

Beidou is now in its 3rd phase of development (BDS-3), the BDS space constellation will gradually transition from BDS-2’s to BDS-3’s.The basic space constellation of BDS-3 consists of 3 GEO satellites...read more

What is M-Code?

Jul 6, 2019

M-code is a new military signal used in the L1 (1575.42 MHz) and L2 (1227.60 MHz) GPS bands. It is designed to improve security and anti-jamming properties of military navigation using GPS.M-Code offe...read more

GLONASS Frequency Bands

Mar 27, 2017

GLONASS (Globalnaya Navigatsionnaya Sputnikovaya Sistema) is a Russian Aerospace Defense Force-operated satellite-based navigation system. The GLONASS GNSS solution operates in the following freq...read more

What is the Difference Between GNSS and GPS?

Jan 20, 2020

GNSS (or Global Navigation Satellite System) is a collective term for different types of satellite navigation systems used globally like GPS, GLONASS, Galileo and BeiDou etc. GNSS based systems can ac...read more

What is RAIM?

Jul 27, 2020

RAIM (Receiver Autonomous Integrity Monitoring) is a technology that is used in GPS receivers to assess the integrity of the GPS signals that are being received at any given time. It is particularly a...read more

What is ERA-GLONASS?

Sep 19, 2018

ERA-GLONASS is a Russian automated emergency response system that combines mobile communications and satellite positioning to provide rapid assistance to motorists in the event of a collision. This sy...read more

What is Real Time Kinematics?

Jul 27, 2020

RTK (Real-Time Kinematic) is a highly accurate technique used to determine the position of a receiver using the signal received from satellite-based positioning systems like GPS, Galileo, BeiDou, and ...read more

What is GLONASS?

Aug 13, 2019

GLONASS or Global Navigation Satellite System is the satellite navigation system developed by Russia that consists of 24 satellites, in three orbital planes, with eight satellites per plane. Russia st...read more

IRNSS Frequency Bands

Sep 20, 2017

IRNSS (Indian Regional Navigation Satellite System) is a GNSS Solution developed by India. It operates in two bands with a center frequency of 1176.45 MHz and 2492.028 MHz.IRNSS-1, L5: 1164.45 MHz to ...read more

Galileo Frequency Bands

Mar 27, 2017

Galileo is Europe's GNSS solution (i.e Europe's version of GPS). As of December 2016, 18 of the 30 planned satellites are in orbit. Galileo has started offering Early Operational Capability an...read more

What is SBAS?

Sep 20, 2017

SBAS stands for Satellite Based Augmentation System. It consists of a number of strategically placed ground stations that act as reference points for existing GNSS systems. Since the position of ...read more

What is the difference between GPS and A-GPS (Assisted GPS)?

Apr 10, 2017

GPS uses the network of satellites to get your location, while A-GPS (Assisted GPS) uses the network of satellites along with information from the cell towers of your mobile operator to pinpoint your ...read more

What is Differential GPS (DGPS)?

Apr 4, 2024

Differential Global Positioning Systems (DGPS) are GPS systems that use fixed reference locations on Earth to calculate positioning errors transmitted by the satellites in view. Since these reference ...read more

What is Dual-band GNSS?

Feb 18, 2019

Dual-band GNSS is the ability of GNSS modules to receive two different GNSS signals at different frequencies from the constellation of satellites. So for example in the case of GPS, the receiver will ...read more

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