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322
Radio Broadcast
the next week, many people called at the minister's home for the purpose of seeing the antenna and sending set. When they saw the large horn, their disappointment was manifest. Most of them could not imagine the idea of sending through such an apparatus.
The horn was merely tied in place with stout cord high up in the chancel, out of sight of the congregation. Situated as it was, the vibra
his explanation was accepted. There was no ground left for more queries by the interested one who simply had to look at the horn situated "there," so prominently, to know where the services went.
However satisfactory the horn was for the purposes of demonstrating to skeptics the ability to catch church services, it left much to be desired when it came to catching sound.
Calvary Church, Pittsburgh, Pa., the first church in the world to have its services broadcasted by radio
tion of passing street cars or the reverberations of the organ set up a rattling that was easily distinguishable.
The next week the horn was placed in the same place, but in order to guard against vibrat'Dn, it was hung on rubber bands. In addition it was placed in full view of the congregation, to eliminate any skepticism regarding the method of sending out the services. Any member of the church questioned as to the manner in which the services were being broadcasted, had only to point to the horn and say " The music and the voices go out there," and
Telephone transmitters were next resorted to, and these were placed in various positions about the choir. One of these transmitters was placed in front of the minister, another over the choir, another near the chimes, etc.
The telephone transmitters worked fairl\' well, but still were not entirely satisfactory, so some amplification was placed in the line to boost the sound on its way to the station. This was a decided improvement. And when microphones were substituted for the telephone receivers, still more improvement was noted.