The son of a baker, he was sent to study commerce in Berlin but became a painter. In 1837 he travelled to the island of Heligoland for the first time. From 1841 he decided to live there and from 1843 he studied birds on the island. He studied ornithology and made a collection. In 1891 a station was established in Heligoland and the Prussian government acquired his collection for the North sea museum. The collection was destroyed in 1944 by bombing.
Why you need to fly TKE: if you have a Garmin GPS and find that tracking courses perfectly takes more than a passing thought, then you're working too hard.(TRICKS O' THE TRADE)(track angle error )
Sep 01, 2009; In the realm of flying lore, there are few secrets. Useful techniques tend to spread quickly. This makes it all the more...