tiabunna's photos with the keyword: dish

Astronomical contrast

30 Apr 2015 25 19 615
Old-style sundial seen with "The Dish". The Parkes steerable dish remains one of the world's leading radio telescopes. It also was involved in tracking the first human moon landing. Somewhat later came a comedy film "The Dish" about that event - a musical clip is here. HFF! Explored.

Macquarie Island 1968: WF2 radar dish

08 Jan 2013 569
Scanned from an old slide taken inside the fibreglass dome, hence the red cast. The old WW2-vintage radar we removed had automatic target tracking: this new one was fully manual. That's progress! But the WF2 could follow the weather balloons for about two hundred kilometers. On a windy day at Macquarie Island, the balloons often did not rise more than ten degrees above the horizon before disappearing in the distance, even though they climbed at about 300 metres/minute ...