GPS Anti Spoof Pro for Pc

1. 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.

2. 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.

3. Instantly compare observed celestial navigation altitudes with high precision, live calculated altitudes.

4. No paperwork and instant feedback will improve celestial sextant skills in hours instead of days or weeks.

5. No GPS Spoofing? The app also functions as a celestial navigation trainer: take a sight and immediately compare against the app's display.

6. Pro version of the app is for serious navigation use and includes data for the Sun, Moon, Venus, Mars, Jupiter.

7. 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.

8. Pro version can function for weeks in the middle of the ocean without network access.

9. With this app and occasional quick sextant sights, mariners can reliably detect GPS spoofing.

10. If a network connection is available, the app will download temperature and pressure information automatically.

11. 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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