I've never needed it on the road but I've tried it out at home to make sure it worked. On soft ground I would image that it might need something under it like a chunk of 2 x 4 or plywood since it has a small footprint.
"For every complex problem there is an answer that is clear, simple, and wrong." (Henry Louis Mencken)
2005 X2, Viper Red, MCX, OJ TZ-X5 prop, PPass, rear 750 sacs, KGB, IBS, Bennett Wake Plate, custom wake gate
(previous) 2001 X5, 1991 TriStar 190