Difference between revisions of "Category:GNSS-Denied Navigation"
From wiki.opennauticalchart.org
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* https://de.wikipedia.org/wiki/Kreuzpeilung | * https://de.wikipedia.org/wiki/Kreuzpeilung | ||
==== tools ==== | ==== tools ==== | ||
| − | * https://en.wikipedia.org/wiki/Bearing_compass | + | * bearing compass https://en.wikipedia.org/wiki/Bearing_compass |
* OpenCPN: | * OpenCPN: | ||
** https://opencpn.org/OpenCPN/plugins/draw.html | ** https://opencpn.org/OpenCPN/plugins/draw.html | ||
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==== tools ==== | ==== tools ==== | ||
* compass | * compass | ||
| − | * https://en.wikipedia.org/wiki/Chip_log#More_modern_logs_and_replacements | + | * log https://en.wikipedia.org/wiki/Chip_log#More_modern_logs_and_replacements |
* OpenCPN: | * OpenCPN: | ||
** https://opencpn.org/OpenCPN/plugins/dreckoning.html | ** https://opencpn.org/OpenCPN/plugins/dreckoning.html | ||
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* https://en.wikipedia.org/wiki/Celestial_navigation | * https://en.wikipedia.org/wiki/Celestial_navigation | ||
==== tools ==== | ==== tools ==== | ||
| − | * https://en.wikipedia.org/wiki/Sextant | + | * sextant https://en.wikipedia.org/wiki/Sextant |
* OpenCPN: | * OpenCPN: | ||
** https://opencpn.org/OpenCPN/plugins/celestialnav.html | ** https://opencpn.org/OpenCPN/plugins/celestialnav.html | ||
Revision as of 10:36, 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
- bearing compass https://en.wikipedia.org/wiki/Bearing_compass
- OpenCPN:
dead reckoning
tools
- compass
- log https://en.wikipedia.org/wiki/Chip_log#More_modern_logs_and_replacements
- OpenCPN:
tools
- sextant https://en.wikipedia.org/wiki/Sextant
- OpenCPN:
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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