AST Feb 2020 Magazine AST Feb 2020 Magazine | Page 33

disruption
is temporary,
temporary , mean-
www.AmericanSecurityToday.com
ing a few minutes for navigation
and positioning, and a few days
for timing.
February 2019 - Edition 41
By contrast, the STL signal on the
Iridium satellite network is a
commercially available PNT ser-
vice that is fully independent of
GPS and traceable to UTC,
UTC , which
Jean-Yves Courtois, CEO of OROLIA
can be used as a backup during
longer GPS outages.
provement program.
program .
Another option is in-line jam-
ming suppression technology,
technology ,
which counteracts the most com-
mon GPS jammers and typically
reduces their jamming range
by a factor of 100 through a small
piece of equipment installed be-
tween the antenna and the receiv-
er.
What’s next?
Critical infrastructure programs
now need to assess and identify
risks, , choose appropriate Resil-
risks
ient PNT technology and define
an ongoing monitoring and im-
The good news is that proven
Resilient PNT technology is
available today.
today .
“We can’t afford to wait for a major
or fatal PNT disruption to trigger
action,” said Jean-Yves Courtois,
CEO of Orolia.
“Key initiatives like the PNT
P NT Ex-
ecutive Order provide essential
awareness that these threats
exist, , and confirm the need to re-
exist
spond today with proven solu-
tions that can keep critical infra-
structure running smoothly.”
smoothly .” 33