Difference between revisions of "Category:GNSS-Denied Navigation"
From wiki.opennauticalchart.org
| Line 25: | Line 25: | ||
* OpenCPN: | * OpenCPN: | ||
** https://opencpn.org/OpenCPN/plugins/celestialnav.html | ** https://opencpn.org/OpenCPN/plugins/celestialnav.html | ||
| + | |||
| + | == inertial navigation == | ||
| + | * https://en.wikipedia.org/wiki/Inertial_navigation_system | ||
| + | ==== equipment ==== | ||
| + | * gyroscope | ||
| + | ** https://www.anellophotonics.com/blog/reinventing-the-optical-gyroscope-with-silicon-photonics | ||
| + | * accelerometer | ||
== radio direction finding == | == radio direction finding == | ||
Revision as of 10:33, 26 August 2025
GNSS (Navstar GPS (USA), GLONASS (RU), Beidou (CN), Galileo (EU)) might encounter jamming or spoofing. See https://gpsjam.org/ for daily maps of interference.
Note: Galileo is now hardened by authentication (OSNMA) https://insidegnss.com/osnma-necessary-but-not-sufficient-for-gnss-security/
This page lists some alternative (marine) navigation strategies:
Contents
cross bearings
tools
dead reckoning
tools
tools
equipment
- gyroscope
- accelerometer
radio direction finding
Measuring incoming signals’ AoA (Angle of Arrival) relative to the vehicle (bearing).
- https://en.wikipedia.org/wiki/Direction_finding
- GNSS-Denied Navigation using Direction of Arrival from Low-Cost Software Defined Radios and Signals of Opportunity
equipment
- https://www.qsl.net/df9ie/kraken--kerberos-sdr.html
- KerberosSDR
- KrakenSDR
R(anging)-Mode
R-Mode is intended to become a ground based GNSS backup.
- https://www.navigation-mac.fr/r-mode-futur-systeme-de-positionnement-alternatif/?lang=en
- https://en.wikipedia.org/wiki/Trilateration
MF (medium frequency)
- Testbed at baltic sea made use of 7 DGPS-stations:
- standardization:
- DGPS-stations:
equipment
VHF (very high frequency)
Testbed at baltic sea made use of 4 AIS base-stations.
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