## Historical and technical survey |

### From inside the book

Results 1-3 of 33

Page 110

In other words, with proper antenna siting, the

sight may be higher than is expected for the same distance over plane earth. This

improvement in

...

In other words, with proper antenna siting, the

**field intensity**beyond the line ofsight may be higher than is expected for the same distance over plane earth. This

improvement in

**field intensity**may be 5 to 10 db or more. One attempt to develop...

Page 111

1X\X2 X (xi + x2) The other symbols in the above expressions have the following

meanings: E =

watts, ...

1X\X2 X (xi + x2) The other symbols in the above expressions have the following

meanings: E =

**field intensity**in microvolts per meter, Eo = free space**field****intensity**in microvolts per meter _ 3 y/bP X 106 X\ + x2 P = radiated power inwatts, ...

Page 263

Parker, and Bernard Howard, Division 14 Report C-1l, RL, Sept. 28, 1943. Div. 14

-111-M8 52. Note on

**Field Intensity**Formulas, Richard A. Hutner, Helen Dodson, Jocelyn Gill, FrancisParker, and Bernard Howard, Division 14 Report C-1l, RL, Sept. 28, 1943. Div. 14

-111-M8 52. Note on

**Field Intensity**Computations for Elevated Antennas, Case ...### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Common terms and phrases

altitude Anomalous Propagation antenna attenuation azimuth band characteristic values Committee on Propagation computed constant coverage diagram CUDWR curvature curve decibels decrease determine diffraction diffraction region direct distance Division 14 Report duct earth effect elevation equation equipment experiments factor field intensity field strength free space frequency Fresnel zones functions gradient ground height horizontal humidity index of refraction JEIA land layer lobe angles maximum measurements meter method microwave miles mode moisture NDRC nonstandard propagation NRSL obtained operational optical OSRD path difference pattern permanent echoes phase plane plotted polarization problem radar radar cross section Radio Propagation Radio Waves radius range receiver reflection coefficient refractive index region Research signal strength Snell's law standard atmosphere superrefraction target temperature inversion theory tion transmission transmitter trapping Tropospheric variation vertical Wave Propagation Wave Propagation Group wavelength weather X band zone