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

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

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

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

7. Both versions function off-network and at sea however the standard version only works for three days off-network.

8. Standard version includes data for the Sun, Venus, and two stars.

9. 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.

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

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

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