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ANDERSON LN, 1928, P I R E, V16, P297
[2]
APPLETON, 1927, P RS A, V115, P291
[3]
Experiments in recording radio signal intensity
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1929, 17
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[4]
Long-wave radio measurements at the Bureau of Standards in 1926, with some comparisons of solar activity and radio phenomena
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PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1927, 15 (10)
:825-836
[5]
KENRICK, 1929, P I R E, V17, P2034
[6]
PICKARD GW, 1927, P I R E, V15, P63
[7]
PICKARD GW, 1927, P IRE SEP, P749
[8]
Transmission characteristics of a short-wave telephone circuit
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1930, 18 (04)
:0581-0648