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Hiram Percy Maxim's Ham Radio Station in 1915
From an article in The Radiogram, Vol. 1, No. 2 - June 1915
~ Edited for the Web by John
Dilks, K2TQN, © Jan. 17, 1999 ~
Aerial of Hiram Percy Maxim at his
home in Hartford, Conn.
| Two
aerials are arranged, one for sending on 200 meter wave length for distances
less than ten miles, and one for sending on 495 meter wave length for distances
in excess of ten miles. Five plates of the condenser are used for the 200-meter
wavelength and ten plates added to this five for the 425-meter wavelength.
The outdoor equipment consists of a 60-ft. mast at one end and a 50-ft.
mast at the other, 100 ft. apart. The spreaders are 18 ft. long and have
11 wire of stranded copper between them. The ground connection is carefully
soldered and connected to ground at three places. This station can work
points in southern New Jersey, northern Massachusets and can receive Colon,
Panama and ships at sea, when two or three days out of New York. The station
holds a special license for the purpose of relay work in the American Radio
Relay League. The call letters are lZM.
Radio Station of Hiram Percy
Maxim, Hartford, Conn.
The receiving
station outfit consists of a large loose coupler by means of which I can
get very accurate tuning, an Audion Detector and variable condenser. The
two sets of phones are usually connected in. The Transmitting sets consists
of a 1 K. W. specially made transformer, glass plate condenser, oscillation
transformer, ¼ H. P. General Electric Company motor running specially
built quenched rotary spark-gap.
HIRAM PERCY MAXIM,
Hartford, Conn. |
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