Journal of Research - National Bureau of Standards: Radio propagation

Front Cover
The Bureau, 1961 - Radio meteorology
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Contents

Volume 65DNo 1JanuaryFebruary 1961
1
Radio wave absorption of several gases in the 100 to 117 kMcs frequency
15
An atlas of obliqueincidence ionograms a digest Vaughn Agy Kenneth
35
Eastwest effect on VLF mode transmission across the earths magnetic field
47
Magnetoionic propagation phenomena in low and verylowradiofre
53
Correlation of monthly median transmission loss and refractive index profile
67
Characteristics of waveguides for longdistance transmission A
75
Useful radiation from an underground antenna Harold A Wheeler
89
Radiowave propagation in the earths crust Harold L Wheeler
189
Propagation studies using directionfindings techniques Edgar C Hayden
197
RADH Diversity effects in long distance high frequency radio pulse propagation
213
IAN DE Influence of ionospheric conditions on the accuracy of high frequency
225
Asaocia Estimation of variances of position lines from fixes with unknown target
255
IRE Ad Space analysis of radio signals John B Smyth
293
Effect of receiver bandwidth on the amplitude distribution of VLF atmos
299
Excitation of VLF and ELF radio waves by a horizontal magnetic dipole
305

A highresolution rapidscan antenna H V Cottony and A C Wilson
101
Volume 65DNo 2MarchApril 1961
115
Relationship between red auroral arcs and ionospheric recombination
129
Fresnel region fields of circular aperture antennas MingKuei Hu
137
Freeballoon borne meteorological refractometer John F Theisen
149
Weather and reception level on a troposphere linkannual and short
155
Effect of antenna radiation angles upon HF radio signals propagated over
167
Graphical determination of radio ray bending in an exponential atmosphere
175
A formula for radio ray refraction in an exponential atmosphere G D
181
Volume 65DNo 4JulyAugust 1961
321
Amplitude and angular scintillations of the radio source CygnusA observed
331
Digital methods for the extraction of phase and amplitude information
351
Comparison between mode theory and ray theory of VLF propagation
357
Antenna coupling error in direction finders Charles W Harrison Jr
363
The electrically short antenna as a probe for measuring free electron densities
371
Effect of multiple atmospheric inversions on tropospheric radio propagation
385
A few observations of the perturbations in the phase of the lowfrequency
393

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