It seems like everyone thinks they can build baluns ... and they make all sorts of incredible claims to prove it. We don't make claims, we print specifications. Most commercially produced baluns are Voltage- type baluns. The Current-type balunâ¢ is superior to simple 'Voltage-type' baluns in several ways. The most important are better output balance and higher feedline-to-antenna isolation.
he identity of the creator of the first map is unknown. The first recorded maps were discovered around the ancient city of Babylon. The maps were created on clay tablets aroun â¦ d 2300 B.C. Gerardus Mercator of Belgium is credited with publishing the first map used for nautical navigation in 1569.
The expedition was commissioned by President Thomas Jefferson shortly after the Louisiana Purchase in 1803, consisting of a select group of U.S. Army volunteers under the command of Captain Meriwether Lewis and his close friend, Second Lieutenant William Clark.he Lewis and Clark Expedition gained an understanding of the geography of the Northwest and produced the first accurate maps of the area. During the journey, Lewis and Clark drew about 140 maps.