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Editorial Advisory Board PNT Q&A: Matching receivers and antennas

What are the key technical criteria in matching GNSS receivers and antennas from the same or different manufacturers? For what uses does it matter most?

Photo: Orolia/Spectracom

John Fischer

“For fixed-pattern antennas, it’s fairly simple: RF + DC to power the antenna. Most vendors are compatible. The challenge is more for controlled radiation pattern antennas (CRPA). Power requirements vary greatly, and performance can be improved with a two-way data exchange between the CRPA and receiver, but there is no industry standard yet for this interface. An example: tilt angles from the receiver’s IMU can greatly aid beam pointing.”
John Fischer

Ellen Hall

Ellen Hall

“Antenna selection is exceptionally critical for our military and high-precision users. The platform and environment are the primary drivers of these antenna requirements. In general, SWaP (size, weight and power) is at the forefront of all criteria. As operational plans are developed, requirements for a single or multi-element array,  element gain, and noise figure must be considered.”
Ellen Hall
Spirent Federal Systems

Members of the EAB

Tony Agresta

Miguel Amor
Hexagon Positioning Intelligence

Thibault Bonnevie
SBG Systems

Alison Brown
NAVSYS Corporation

Ismael Colomina

Clem Driscoll
C.J. Driscoll & Associates

John Fischer

Ellen Hall
Spirent Federal Systems

Jules McNeff
Overlook Systems Technologies, Inc.

Terry Moore
University of Nottingham

Bradford W. Parkinson
Stanford Center for Position, Navigation and Time

Jean-Marie Sleewaegen

Michael Swiek
GPS Alliance

Julian Thomas
Racelogic Ltd.

Greg Turetzky

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