Calculating Sun’s Amplitude with Gyro Error Part 2 ⚠️ Important first: Sun’s amplitude itself is always a TRUE direction. Gyro error is applied afterward when comparing with a gyro bearing. So the process has two parts: 1. Calculate Sun’s True Bearing using amplitude 2. Compare it with Gyro Bearing to find Gyro Error ⸻ 1️⃣ Calculate the Sun’s Amplitude (TRUE) Formula (Amplitude): sin A = frac{sin delta}{cos phi} Where: • A = Sun’s amplitude • δ = Sun’s declination (from Nautical Almanac) • φ = O
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Calculating Sun’s Amplitude with Gyro Error Part 2 ⚠️ Important first: Sun’s amplitude itself is always a TRUE direction. Gyro error is applied afterward when comparing with a gyro bearing. So the process has two parts: 1. Calculate Sun’s True Bearing using amplitude 2. Compare it with Gyro Bearing to find Gyro Error ⸻ 1️⃣ Calculate the Sun’s Amplitude (TRUE) Formula (Amplitude): sin A = frac{sin delta}{cos phi} Where: • A = Sun’s amplitude • δ = Sun’s declination (from Nautical Almanac) • φ = O
5.1K views3 months ago
FacebookProf. Kris Minion
Gyro error is the difference between a true bearing and the bearing shown by a gyrocompass. To calculate it, compare the gyro bearing to a known true bearing (e.g., from leading lights or a landmarks). The error is calculated by subtracting the gyro bearing from the true bearing. The error is "west" if the gyro bearing is greater and "east" if it is less. On this examples we can obtain the following given numbers: True Bearing: plotted direction on the chart Gyro Bearing: gyro compass direction
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Gyro error is the difference between a true bearing and the bearing shown by a gyrocompass. To calculate it, compare the gyro bearing to a known true bearing (e.g., from leading lights or a landmarks). The error is calculated by subtracting the gyro bearing from the true bearing. The error is "west" if the gyro bearing is greater and "east" if it is less. On this examples we can obtain the following given numbers: True Bearing: plotted direction on the chart Gyro Bearing: gyro compass direction
200.5K views7 months ago
FacebookProf. Kris Minion
🕵🏻‍♂️🧭A Quick Way to Find a Magnetic Compass Error By Comparing Gyro and Magnetic Headings you could immediately say the difference of it as a MAGNETIC COMPASS ERROR …compass error is an error determined by comparing True Headings and Magnetic Headings. For the True Headings you can use the Heading from the Gyro Compass it is based on the fact that due to very minimal error of your Gyro Compass you can always assume whatever its heading that is a TRUE HEADING… 🙆‍♂️however if you would like t
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🕵🏻‍♂️🧭A Quick Way to Find a Magnetic Compass Error By Comparing Gyro and Magnetic Headings you could immediately say the difference of it as a MAGNETIC COMPASS ERROR …compass error is an error determined by comparing True Headings and Magnetic Headings. For the True Headings you can use the Heading from the Gyro Compass it is based on the fact that due to very minimal error of your Gyro Compass you can always assume whatever its heading that is a TRUE HEADING… 🙆‍♂️however if you would like t
158.1K viewsApr 11, 2025
FacebookMarinong Guro
⚓ Don’t Let Gyro Errors Sink Your Navigation! Master Sun Amplitude Today! 🌅 Still trusting your gyro without checking? 😱 Learn one of the most reliable ways to detect gyro compass errors using the sun’s amplitude at sunrise and sunset. This age-old trick might just save your navigation when electronics fail! ✅ Real examples (East and West) ✅ Easy formula with practical explanation ✅ Perfect for deck cadets and navigation officers ✅ With the golden rule: "Gyro best, error west. Gyro least, erro
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⚓ Don’t Let Gyro Errors Sink Your Navigation! Master Sun Amplitude Today! 🌅 Still trusting your gyro without checking? 😱 Learn one of the most reliable ways to detect gyro compass errors using the sun’s amplitude at sunrise and sunset. This age-old trick might just save your navigation when electronics fail! ✅ Real examples (East and West) ✅ Easy formula with practical explanation ✅ Perfect for deck cadets and navigation officers ✅ With the golden rule: "Gyro best, error west. Gyro least, erro
19.4K views10 months ago
FacebookSailor's Edge
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