GPS Anti Spoof Pro vs. EZ Lunars Utilizzo e statistiche

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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Lunars are easy when you have the pre-computed lunar distance tables! Learn to do lunars as they were done when the pre-computed lunar distances were published in the Nautical Almanac over 100 years ago (last published in 1906). The ezLunarsOne lunar distance tables contain the lunar distances of up to 6 navigational bodies each day at 3-hour intervals. Each distance also has a proportional logarithm value to help interpolate the cleared distance to a time between the 3-hour values. A proportional logarithm table, moon augmented semidiameter, and second differences table are also included. Everything you need to perform lunars with a pencil and paper just like the ancient navigators! Most users, however, will let the app do all of the work. ezLunarsOne includes functions to guide you through the process of planning your lunar, making the observations and using the tables to compute Greenwich time. When your lunar is cleared, the solution can be output to a lunar clearing form just like you would do by hand. When you are ready to do lunars by hand, the lunar distance tables and blank clearing forms can be sent to a printer or PDF file for use outside the app. Since the lunar solution also requires data from the Nautical Almanac, the full Nautical Almanac from ezAlmanacOne is provided in the app. ezLunarsOne performs all astronomical calculations using the NOVAS 3.1 software from the US Naval Observatory (USNO) and a JPL ephemeris that covers the years 1960 through 2059. Since all calculations are performed in the software, ezLunarsOne is fully functional with no dependency on a data connection from your device.
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GPS Anti Spoof Pro VS.
EZ Lunars

8icembre d, 2024