Vertical Card Compasses do not have Whiskey dampening, Virg
On 9/19/2015 3:47 PM, Flesner via KRnet wro te: > At 01:36 PM 9/19/2015, you wrote: >> My understanding is that the intent of a (wet) compass requirement is >> as a last resort/emergency/always available navigation tool - with the >> fluid serving as a dampening influence compared to a dry compass with >> no dampening. In order for any other type to qualify, there must be >> no external power needed to make it operational. Therefore, unless one >> of the magnetometers you have researched will always operate reliably >> without externally supplied power, then no, I can't agree. >> George > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++