The book of radio; a complete, simple explanation of radio reception and transmission, including the outstanding features of radio service to the public by private and government agencies (1922)

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THE GREATEST WIRELESS STATION 325 When the telephones were connected to the receiving sets, the signals came in so loud that they could be heard all over the room and the signals from Stavanger, Nor- way, 4,000 miles away were too loud to be able to keep the telephones on the ears with comfort. None of these experiments, in any way, interfered with the regular re- ceiving of the messages in New York. The operators in attendance in Riverhead test the signals from time to time to see that everything is O.K. and when the static becomes a little too strong, they make the necessary adjustments of the traps to minimize it. The static never prevents the reception of messages, although when it becomes very severe, it is necessary for the European station to be requested to send a little more slowly. If the operator in New York finds that the static is getting bad, he advises Riverhead over the land line wire to tune it out, if possible. If this cannot be done, the New York operator then advises the transmitting operator in the same office in New York to advise the European station to send somewhat slower. The Euro- pean operator receives these instructions and sends them over a land line to the transmitting station where they are received and followed. All this is a matter of but a few moments. The practicality and efficiency of the whole system is amazing. It operates year in and year out, twenty-four hours per day without any interruption. Business men say that the service is equal in every way to the cables and in some cases better, particularly where there are no direct cables. In his visit to the radio central transmitting and re-