Vérifiez de façon rapide votre position gps
Idéal pour faire des mesures, rapide et sans calcul, fonctionne aussi pour horizon artificiel ( vous donne en ''live'' la hauteur multiplier par deux ''
GPS Anti Spoof
Published by: Frank Reed
Description
Instantly compare observed celestial navigation altitudes with high precision, live calculated altitudes. Shoot the Sun, tap pause in the app, and get instant feedback.
Standard version includes data for the Sun, Venus, and two stars. The Pro version of the app is for serious navigation use and includes data for the Sun, Moon, Venus, Mars, Jupiter. Saturn. the 57 standard navigational stars, plus Polaris. Both versions function off-network and at sea however the standard version only works for three days off-network. The Pro version can function for weeks in the middle of the ocean without network access.
This app calculates the exact altitude that should be observed in celestial navigation at sea or on land assuming that the GPS position is correct. No paperwork is required, no tables of corrections. All corrections are included automatically: index error, system time error, dip of the horizon, refraction, temperature and pressure corrections to refraction, altitude above sea level, parallax, and also gravitational deflection of the vertical (a correction of up 2 nautical miles not handled by any other celestial navigation sight-clearing product) are all included automatically. If the GPS position is wrong, due to Spoofing at sea, observations will not match. With this app and occasional quick sextant sights, mariners can reliably detect GPS spoofing.
No GPS Spoofing? The app also functions as a celestial navigation trainer: take a sight and immediately compare against the app's display. No paperwork and instant feedback will improve celestial sextant skills in hours instead of days or weeks.
The app works off-network, even in the middle of the ocean. If a network connection is available, the app will download temperature and pressure information automatically. Or weather data can be entered manually, if desired.
The ephemeris data is generated from the same JPL numerical integrations of lunar and planetary motions used by the official Nautical Almanac and Astronomical Almanac. All coordinates are accurate to one second of arc, and displayed altitudes are accurate to a tenth of a minute of arc.
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Standard version includes data for the Sun, Venus, and two stars. The Pro version of the app is for serious navigation use and includes data for the Sun, Moon, Venus, Mars, Jupiter. Saturn. the 57 standard navigational stars, plus Polaris. Both versions function off-network and at sea however the standard version only works for three days off-network. The Pro version can function for weeks in the middle of the ocean without network access.
This app calculates the exact altitude that should be observed in celestial navigation at sea or on land assuming that the GPS position is correct. No paperwork is required, no tables of corrections. All corrections are included automatically: index error, system time error, dip of the horizon, refraction, temperature and pressure corrections to refraction, altitude above sea level, parallax, and also gravitational deflection of the vertical (a correction of up 2 nautical miles not handled by any other celestial navigation sight-clearing product) are all included automatically. If the GPS position is wrong, due to Spoofing at sea, observations will not match. With this app and occasional quick sextant sights, mariners can reliably detect GPS spoofing.
No GPS Spoofing? The app also functions as a celestial navigation trainer: take a sight and immediately compare against the app's display. No paperwork and instant feedback will improve celestial sextant skills in hours instead of days or weeks.
The app works off-network, even in the middle of the ocean. If a network connection is available, the app will download temperature and pressure information automatically. Or weather data can be entered manually, if desired.
The ephemeris data is generated from the same JPL numerical integrations of lunar and planetary motions used by the official Nautical Almanac and Astronomical Almanac. All coordinates are accurate to one second of arc, and displayed altitudes are accurate to a tenth of a minute of arc.
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GPS Anti Spoof FAQ
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Is GPS Anti Spoof free?
GPS Anti Spoof is not free (it costs 3.99), however it doesn't contain in-app purchases or subscriptions.
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Is GPS Anti Spoof legit?
Not enough reviews to make a reliable assessment. The app needs more user feedback.
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How much does GPS Anti Spoof cost?
The price of GPS Anti Spoof is 3.99.
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What is GPS Anti Spoof revenue?
To get estimated revenue of GPS Anti Spoof app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
User Rating
5 out of 5
1 ratings in Belgium
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App Info
- Category
- Education
- Publisher
- Frank Reed
- Languages
- English
- Recent release
- 1.0.36 (1 month ago )
- Released on
- Jun 16, 2019 (5 years ago )
- Also available in
- United States, Belgium, Sweden, Mexico, Philippines, Peru, New Zealand, Norway, Netherlands, Nigeria, Malaysia, Poland, Lebanon, Kazakhstan, Kuwait, South Korea, Japan, Pakistan, India, Portugal, Romania, Russia, Saudi Arabia, Singapore, Thailand, Türkiye, Taiwan, Ukraine, Vietnam, South Africa, Algeria, Argentina, Austria, Australia, Brazil, Belarus, Canada, Switzerland, Chile, China, Colombia, Czechia, Germany, Denmark, Dominican Republic, Italy, Ecuador, Egypt, Spain, Finland, France, United Kingdom, Greece, Hong Kong SAR China, Hungary, Indonesia, Ireland, Israel, United Arab Emirates
- Last Updated
- 1 week ago