Radio mobile
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Publicado: 17 de junio de 2011
Radio Mobile
Radio Propagation and Radio Coverage computer simulation program
by:
Roger Coudé, VE2DBE
Program Operating Guide
by: Brian J. Henderson, P. Eng. VE6ZS
Calgary, Alberta, Canada
Vesion 3.5 Copyright 2011 Brian J. Henderson, P. Eng.
June 15, 2011
Radio Mobile Program Operating Guide
Table of Contents
Copyright and Author – Radio Mobile................................................................... 1 Copyright and Author – Radio Mobile User Guide ................................................ 1 Contributors and Links – Radio Mobile ................................................................. 1 Radio Mobile Program – Introduction.................................................................... 2 Radio Mobile Program – Description.................................................................... 2 Radio Coverage Basics ........................................................................................ 3 Radio receiver Operation .................................................................................. 4 The deciBel (dB)................................................................................................ 4Decibel Mathematics ......................................................................................... 5 deciBel and Radio Standards ............................................................................ 5 Propagation Modes ........................................................................................... 6 „K‟ factor............................................................................................................ 7 Propagation Loss .................................................................................................. 7 Free Space loss ................................................................................................ 8 Diffraction Loss..................................................................................................8 Total Loss Between Sites .................................................................................. 8 Radio Wave Propagation .................................................................................... 10 Fresnel Zones ................................................................................................. 10 Fresnel Zone Radius and Earth Clearance..................................................... 12 Fresnel Zone Numbering ................................................................................. 14 Fresnel Zone 1 (F1)......................................................................................... 15 Fresnel Zone 2 (F2)......................................................................................... 15 Fresnel Zone 3(F3)......................................................................................... 15 Fresnel Zone Effect ......................................................................................... 15 Specular Reflection ......................................................................................... 16 Inter Symbol Interference................................................................................ 17 Path Reliability – Point to Point Radio................................................................. 18 Radio Path Fade Margin ................................................................................. 18 Point to Point Reliability ................................................................................... 19 Radio Coverage Probability............................................................................. 20 Geographic Coordinate Systems ........................................................................ 20 Earth Reference Points – Map Datums ........................................................... 21 Latitude and Longitude .................................................................................... 22 Maidenhead Locator System...
Radio Propagation and Radio Coverage computer simulation program
by:
Roger Coudé, VE2DBE
Program Operating Guide
by: Brian J. Henderson, P. Eng. VE6ZS
Calgary, Alberta, Canada
Vesion 3.5 Copyright 2011 Brian J. Henderson, P. Eng.
June 15, 2011
Radio Mobile Program Operating Guide
Table of Contents
Copyright and Author – Radio Mobile................................................................... 1 Copyright and Author – Radio Mobile User Guide ................................................ 1 Contributors and Links – Radio Mobile ................................................................. 1 Radio Mobile Program – Introduction.................................................................... 2 Radio Mobile Program – Description.................................................................... 2 Radio Coverage Basics ........................................................................................ 3 Radio receiver Operation .................................................................................. 4 The deciBel (dB)................................................................................................ 4Decibel Mathematics ......................................................................................... 5 deciBel and Radio Standards ............................................................................ 5 Propagation Modes ........................................................................................... 6 „K‟ factor............................................................................................................ 7 Propagation Loss .................................................................................................. 7 Free Space loss ................................................................................................ 8 Diffraction Loss..................................................................................................8 Total Loss Between Sites .................................................................................. 8 Radio Wave Propagation .................................................................................... 10 Fresnel Zones ................................................................................................. 10 Fresnel Zone Radius and Earth Clearance..................................................... 12 Fresnel Zone Numbering ................................................................................. 14 Fresnel Zone 1 (F1)......................................................................................... 15 Fresnel Zone 2 (F2)......................................................................................... 15 Fresnel Zone 3(F3)......................................................................................... 15 Fresnel Zone Effect ......................................................................................... 15 Specular Reflection ......................................................................................... 16 Inter Symbol Interference................................................................................ 17 Path Reliability – Point to Point Radio................................................................. 18 Radio Path Fade Margin ................................................................................. 18 Point to Point Reliability ................................................................................... 19 Radio Coverage Probability............................................................................. 20 Geographic Coordinate Systems ........................................................................ 20 Earth Reference Points – Map Datums ........................................................... 21 Latitude and Longitude .................................................................................... 22 Maidenhead Locator System...
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