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.
Mercator. Without a doubt, the most famous map projection is the Mercator projection. In fact, the Mercator projection was the first projection regularly identified in atlases. It is a cylindrical map projection that is a product of its time.is second contribution was a map that still bears his name the Mercator projection, published in 1569. Mercator called his map A New and Enlarged Description of the Earth with Corrections for Use in Navigation. No wonder future cartographers and laymen simply called it the Mercator projection.