Difference between revisions of "Category:GNSS-Denied Navigation"
From wiki.opennauticalchart.org
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== cross bearings == | == cross bearings == | ||
* https://de.wikipedia.org/wiki/Kreuzpeilung | * https://de.wikipedia.org/wiki/Kreuzpeilung | ||
| − | ==== | + | ==== tools ==== |
* https://en.wikipedia.org/wiki/Bearing_compass | * https://en.wikipedia.org/wiki/Bearing_compass | ||
* OpenCPN: | * OpenCPN: | ||
| Line 12: | Line 12: | ||
== dead reckoning == | == dead reckoning == | ||
* https://en.wikipedia.org/wiki/Dead_reckoning | * https://en.wikipedia.org/wiki/Dead_reckoning | ||
| − | ==== | + | ==== tools ==== |
* compass | * compass | ||
* https://en.wikipedia.org/wiki/Chip_log#More_modern_logs_and_replacements | * https://en.wikipedia.org/wiki/Chip_log#More_modern_logs_and_replacements | ||
| Line 21: | Line 21: | ||
== celestial navigation == | == celestial navigation == | ||
* https://en.wikipedia.org/wiki/Celestial_navigation | * https://en.wikipedia.org/wiki/Celestial_navigation | ||
| − | ==== | + | ==== tools ==== |
* https://en.wikipedia.org/wiki/Sextant | * https://en.wikipedia.org/wiki/Sextant | ||
* OpenCPN: | * OpenCPN: | ||
Revision as of 09:33, 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
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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