@Snowshadow @TimWardCam Holy fuck, you can't use GPS for aviation! GPS is accurate to--at best--what, 40 feet?
*sigh*. Tim, your book is one of my favourites, one of my once-a-year go-to's. I think it's time to start down my list again, get my nose in some dharma. Gotta get my metaphorical ass on the cushion. And my actual ass on the cushion. 🙏