Knowledge Base

Tag : altitude

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Kestrel 5 Series Downloads

This document goes through what formulas are used to calculate the various measurements on the Kestrel series meters.

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For Kestrel 4500 Ballistic and 5700 Ballistic meters, the ballistics calculator will ALWAYS use station pressure despite the altitude number that is entered.

  • If you want station pressure, set your reference altitude to ZERO on the Baro screen (4500 Series) or just view the Pressure screen (5000 Series).
  • If you want your altitude to display correctly and have station pressure, you will need to enter your current barometric pressure as the reference barometric pressure. The reference altitude should remain ZERO, and Sync Alt should be OFF.
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Reference Altitude and Reference Baro have no impact on your ballistic solutions when using the Kestrel's internal solver.

If you are using an outside application to solve for the ballistic solution, it is suggested that you leave REF ALT set to 0. If you can select Absolute (or Station) Pressure in the app, then just use the number on the Baro screen wherever you go. If your ballistic solver expects an altitude, use the number on the Baro screen and always input 0 as your altitude. This way your solutions will be right and you never need to adjust the Kestrel at different locations.

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