(INJ) Ten tenths? When I was in the Met Office in the '60's some of the old farts would occasionally let slip a phrase like that but it's been eighths (oktas) for over 50 years largely because it can be coded as a single digit for transmission. (9 = sky obscured by fog or heavy snow, BTW). Thank You For Making Me Feel Young.
(Juxt) OK. Thanks for giving us jazz. And Tom & Jerry. (Duj) The only piece of Australiana I have is a home-made boomerang (Specifications in New Scientist 1974.) It's big and doesn't half go but has to be thrown left-handed. They're not symmetrical.
[Rosie] I have found that turning them upside down usually helps. Then again I'm no expert any more than I'm a left handed sort of a bloke. Keep in mind, Rosie, that the heavier boomerangs were not designed to return but to stay in the air long enough to knock the noggins of the target.
(CdM) Not surprised it's snowy up Mount Buller. An assumption, of course, because you have quite unforgivably omitted the ρ-coordinate, which I take to be 6378137 + 1805 m. Greetings, anyway, from 51.32; -0.06, 6378306 m.
(CdM) Yeah, OK. Equally, I have committed the unpardonable sin of assuming the earth's radius is constant at all latitudes, which is not true. The polar radius is 21.4 km less than the equatorial radius. It's uphill to the equator.