John, The pneumatic for remembering the navigation formula for determining a specific compass bearing depends on whether you are given the TRUE bearing or the MAGNETIC bearing is. The pneumatic is listed below:
T(imid) V(irgins) M(ake) D(ull) C(ompanions) add W (add whiskey). If you are given "T" (the "true" bearing), then use the above formula, adding variation + magnetic direction + deviation to obtain the correct COMPASS reading, and "add west." (i.e, ".add whiskey) and subtract East (deviations and variations); And the opposite is true: if you are given a the COMPASS reading and need to determine the correct TRUE bearing, simply reverse the pneumatic and instead of adding "west", and subtracting East, do the opposite - add East & subtract West. So that's what the AW stands for. Francis Baumgart, Esq -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
