AST Feb 2020 Magazine AST Feb 2020 Magazine | Page 31

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or multi-GNSS
receivers
reduce
February
2019 - Edition
41
risk by leveraging multiple signal
sources.
Blockin g antennas
Blocking
anten nas can be used
to reject terrestrial interference
coming from the horizon, and
Controlled
Radiation-Pattern
Antennas (CRPA) can reject strong
directional signals in the GPS band
Stephane Hamel, Director Test and
to prevent compromised signals
Simulation at OROLIA
from entering electronic equip-
men
nt.
“It’s important to recognize that me
any successful PNT protection
program must be built within PNT cybersecurity measures at
a living process of continuous the network level, coupled with
improvement to identify,
defeat and anticipate new
threats.”
Protection
Proven
technologies
should be used to effec-
tively reduce the occur-
rence of PNT service dis-
ruption or manipulation.
Multi-frequency
and/
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