GPS Anti Spoof Pro

Published by: Frank Reed
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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.
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. 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 Pro FAQ

  • Is GPS Anti Spoof Pro free?

    GPS Anti Spoof Pro is not free (it costs 99.99), however it doesn't contain in-app purchases or subscriptions.

  • Is GPS Anti Spoof Pro legit?

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  • How much does GPS Anti Spoof Pro cost?

    The price of GPS Anti Spoof Pro is 99.99.

  • What is GPS Anti Spoof Pro revenue?

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Category Rankings
Chart
Category
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Top Paid
22
Top Paid
256
Top Paid
292
Top Paid
348
Top Paid
349

GPS Anti Spoof Pro Competitors

Name
StarPilot
Celestial by Navimatics
iGlide Pro
NaviLogic iGlide
EZ Celestial Navigation
ezAlmanacOne
iMariner Celestial Navigation
Perpetual Nautical Almanac
EZ Lunars
ezLunarsOne
N/A
N/A
EarthMeter
Moontime: Lunar Clock Widget
See the moon more

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