He also took advantage of the equipment provided by the Forestry service to experiment with entertainment broadcasts .
One of his first radiotelephone tests , in May 1920 , provided musical selections for a dance held by students at a local high school .
He also took advantage of the equipment provided by the Forestry service to experiment with entertainment broadcasts , and one of his first radiotelephone tests , in May 1920 , provided musical selections for a dance held by students at a local high school .