Embarrassing as it is, I'm getting dizzy during ritual compass calibrating dance. It comes with age, trust me. Add less-than-perfect, off level dancing floor (rocks, roots, tall grass etc.) and you'll fall helplessly, trying to protect $5K bird. Ouch ... Long story short, I've build MFCT (Multipurpose Field Calibrating Table) ...
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It's equipped with 3-point adjustable feet and spirit level, rotates smoothly like a bar stool (in better bars, however) and - of course - it's of non-ferrous construction. I'm not sure I'll drag this thing everywhere I go, but when flying in remote places it may prove to be very useful. Any comments - critical or not - will be appreciated ...