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  • #: 220554
  • Price: $1.99 In Apple Store
  • Category: Navigation
  • Updated: 2010-06-15
  • Current Version: 2.0
  • 2.0
  • Size: 1.20 MB
  • Language: English
  • Seller: Ricky Parkinson
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.1.3 or later
  • © Ricky Parkinson
  •  Add to Favorite apps



“True Virgins Make Dull Companions” is the well known maritime mnemonic for remembering the formula for converting a True heading to a Compass heading. True, Variation, Magnetic, Deviation, Compass.

TrueVirgins is a simple tool that makes maritime heading conversions easier. It automatically uses the established formula for converting headings from True to Compass and vice versa. Designed for sailing instructors, students of maritime navigation, and other enthusiasts to aid learning and understanding.

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TrueVirgins iPhone Screenshot 1

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Rated 5/5 based on 1 customer reviews.


5/5 stars

Great Tool!

Thank you so much for your great tools like DST and True Virgins! Definitely a big help in this world! An update for the retina screen on iPhone 4 would be awesome!


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The information may be outdated (2011-04-27 22:43:49). For actual information go to iTunes

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