[amsat-bb] Field day power from BEV?

[Greg D]

Hi folks,

Every year there's always someone with an off-the-wall question about
the Field Day rules.  Not hearing one yet, it might as well be my turn...

There are different station classifications based on your power source. 
What class is a station that gets its power from a Battery Electric
Vehicle (one with battery only, no gas engine), for example, if I run my
rig from the car's 12v Accessory outlet?

Class-C covers a currently-traditional (ICE) car, one with a combustion
engine driven generator (alternator) backing up the car's battery. 

My car has no such generator, just a really big battery (57kw).  If I
park the car and run a 12v cable to the operating position at a nearby
picnic bench, and keep to 5 watts or less, am I Class A Battery?  What
if higher than 5 watts?

Puzzled,

Greg  KO6TH