QST, №3, Fabruary, 1916. RADIO COMMUNICATIONS BY THE AMATEURS.
QST, №3, Fabruary, 1916, p. 32
3 AEP.
3 AEP has a very efficient station. The extremely large coupling shows that Mr. Rau has a sharp wave and does not interfere. Despite the fact that such a large coupling is used, the sending range is eighteen miles. Can you do as well?