Navigation 101: Intermediate Navigation – Beyond the Basics by Mountain Run

Segundo artigo do Ian – agora com técnicas menos básicas. Também vale a leitura!

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Mountain Run

This is a second article in a trio of interviews with Ian Corless, about Navigation for Ultra Runners & more. Read article one HERE

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In the first interview we covered the Basics of Navigation, this encompassed maps, compasses, setting your map & how to set a bearing.

The second interview was moving into intermediate navigation & it consisted of the following information & techniques:

  1. Declination/Magnetic Variation
  2. Grid Numbers/Plotting a Grid Reference
  3. Back Bearings
  4. Re-Orienting/Re-locating
  5. Thumbing the Map
  6. Hand-railing
  7. Catching Features
  8. Aiming Off

So lets start with:

1) Magnetic Declination or Magnetic Variation: 

There are 3 points at which north is seen. 1) True North, 2) Grid North & 3) Magnetic North. We are concerned with Grid North & Magnetic North.

Grid North is what is detailed on a map, its where the North/South grid lines show us the direction of north, according to the grid lines printed on the…

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