Sight Calc is a specialized calculator designed for calculating sight reductions using the "Law of Cosines" method. This tool does not rely on Nautical Almanac data, requiring users to calculate the Local Hour Angle (LHA) and declination beforehand, along with determining an approximate latitude. It is tailored for students studying celestial navigation, particularly in programs like the Celestial Navigation courses offered by the United States Power Squadrons®. For those unfamiliar with sight reductions, valuable resources are available from the United States Power Squadrons® at www.usps.org. Specifically, this calculator complements Form SR96a found at www.usps.org/eddept/n/files/sr96a.pdf.
Inputs can be provided in two formats:
- Degrees on the left column and minutes on the right column.
- Decimal degrees (e.g., 44.48833).
Sight Calc will guide users through entering six numbers sequentially:
- LHA (degrees)
- LHA (minutes)
- Latitude (degrees)
- Latitude (minutes)
- Declination (degrees)
- Declination (minutes)
In version 2.0, values can be entered in any order. The calculated values for Hc, Z, and Zn are updated continuously.
Ensure to enter North Latitude as a positive number and South Latitude as a negative number. Sight Calc automatically considers the absolute value of Latitude in the Law of Cosines formula but requires the hemisphere for calculating azimuth (Zn). Similarly, enter positive values for Declination if North and negative if South. Note that this differs from version 1.x of Sight Calc.
If conducting repeated calculations with some unchanged numbers, input only the updated values. To reset all entries at any point, press "C" to clear all data. The "CE" key removes the current entry. Optionally, use the "o" key to convert minutes to decimal degrees, which adds to the degrees field and clears the minutes field, without affecting calculations.
Feedback on bugs or suggestions can be shared at: sightcalc@nuvocom.com.
概述
Sight Calc 是在由NUVOCOM INCORPORATED開發類別 Education Commercial 軟體。
最新版本是 Sight Calc 的 2.0 2024/07/30 上釋放。 它最初被添加到我們的資料庫 2024/07/30 上。
Sight Calc 在下列作業系統上運行: iOS。
使用者 Sight Calc 5 個 5 星的評分,給了它。
2024/11/08 | RegCool 2.015 |
2024/11/08 | Visual Studio Code 1.95.2 |
2024/11/08 | Calibre 7.21.0 |
2024/11/07 | Microsoft Edge 131.0.2903.27 |
2024/11/07 | Vivaldi Browser 7.0.3495.11 |
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