Glenwood (Iowa) Opinion, May 6, 1920, pages 1, 10:

WIRELESS  TELEPHONE  MESSAGE  SENT  FROM  GLENWOOD  TUESDAY
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Dr.  F.  H.  Millener,  Noted  Scientist  Who  Claims  Communication  with  Mars  Possible,  Conducts  Field  Test
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EQUIPMENT  FROM  FORT  OMAHA
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Captain  McKinley,  of  Ft.  Omaha,  in  Charge  of  Expedition--Message  Sent  From  School  Grounds  Received  at  Fort  Omaha
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    The first wireless telephone message ever to be sent from Glenwood, Iowa, was received in Omaha Tuesday, May 4th.
    Dr. Frederick H. Millener of Omaha, well known scientist and experimenter with the wireless telephone, and Captain McKinley, of the Ft. Omaha balloon school with a detail of three men, army truck and paraphernalia, arrived in Glenwood Monday evening for the purpose of making a field test with a wireless telephone instrument.
    The antenna was stretched from the high school building to the third ward school building on the high school grounds and communication established with Ft. Omaha Tuesday. The test was not altogether satisfactory on Tuesday although communication was established. The experiment will be repeated as Captain McKinley will remain with his aides for a few days working with the experiment.
    On Tuesday afternoon Dr. Millener gave an address before the high school at which time the operation of the wireless telephone was explained in a general way. Interest in the instrument was very keen and a large number of people as well as school children witnessed the tests made at intervals throughout the day.
    Dr. Millener is widely known throughout the United States for his experimental work along this line and served during the late war as Captain in the Signal Corps, having charge of all aerial instruments in this country. In his address before the high school he related his experience in installing the instruments around Chesapeake Bay as a coast defence. The work has developed rapidly during the past two years, and according to the doctor, is destined to a more rapid development in the future. He gave a humorous sketch of the future as he could see it when every individual's hat would be equipped with a wireless telephone enabling him to catch the news of the world as it passed through the air--"this" he said "we can readily see will have its disadvantages as well as its advantages." He prophesied that the homes of the future would have on the library table an instrument so constructed that when we desired to hear the latest sport news we would press a button and receive it, if we desired music by which to dance in our own home if anywhere in the land an orchestra was playing we could get in touch with the sound waves therefrom and have it rendered audible for our pleasure or if we desired to listen to the sermon Sunday morning while we lounged in bed the wireless telephone will accommodate us. "If we think the present telephone system indispensible" he continued, "we will find that the wireless will enslave us."
    The little instrument seems almost uncanny even in its present state of perfection, rendering as it does the human heart beat audible at a distance of some twenty miles.
    When asked the reason for this field experiment here the doctor stated that it was just one of many the government is conducting in all parts of the country with an intention of familiarizing the public and more especially the children with this marvelous instrument. Doctor Millener studied electrical engineering as a young man and later turned to medicine and surgery, and upon completion of the latter course practiced for fifteen years in Buffalo, turned his attention once more to electrical appliances with the invention of the x-ray. He had the second x-ray in this country, the first one west of New York and was called upon for the use of the same at the time of the assassination of President McKinley.
    In 1906 he came west and devoted his time to electrical experiments for the Union Pacific railroad until the outbreak of the war when he was placed in charge of the use of his pet instrument the wireless telephone, in its war work in the United States. Since receiving his discharge he has resumed his practice in Omaha, being a nose and throat specialist; and is conducting experiments in conjunction at Fort Omaha. Doctor Millener has made repeated attempts to communicate with Mars and when asked regarding the matter he expressed a firm belief that communications would be established. The daily papers have carried repeated accounts of his work, the Des Moines Register on Tuesday of this week had a picture of Doctor Millener and his assistant at the instrument erected on his farm just out of Omaha, while listening for word from Mars. The instrument used was capable of receiving 50,000 meter wave lengths. This he stated extended far beyond any sound upon the earth and would render possible receiving sound from the Planet of Mars which was at a point, recently, much closer to the earth than it will be again for many years. Two days and nights Doctor Millener spent listening for some report and although this test was not altogether satisfactory he feels that further attempts are justifiable.
    It is a rare opportunity the people and especially the high school students of Glenwood have been privileged to enjoy this week in having this noted scientist make a field test in this city. It gives one an insight into the means of future instantaneous communication which will undoubtedly be established with the world at large and though the manner is little understood by most of us yet it is appreciated by all.