navigation

Map measure of the month: W&HC navigation dividers

This month's measure is a navigation divider, sometimes called divider calipers, made by W&HC.

Map measure of the month: Model D13777- the Discovery Channel ‘deluxe map measurer with compass’

The Discovery Channel 'deluxe map measurer with compass' is a simple instrument with design faults

Map measure of the month: the Vistascreen Pathfinder

The Vistascreen Pathfinder is a very simple map measure with clues to it's origins

Trail talk: how to use the sun clock on the Silva Ranger SL compass

The Silva Ranger SL sighting compass has a sundial, or sun clock, that is simple to use.

Map measurer of the month: the Silva scale lanyard

The scale lanyard from compass manufacturer Silva is an interesting innovation but ultimately a failure in design

Gear talk: Pacer Beads

Pacer, or Ranger, beads are a simple and useful navigational tool to make at home

Trail talk: measuring gradients with a slope card

Slope cards can be a useful tool when planning a route or determining the risk of avalanche