MARTINDALE'S
CALCULATORS ONLINE CENTER ENGINEERING CENTER BROADCAST ENGINEERING CENTER (Calculators, Applets, Spreadsheets, and where Applicable includes: Courses, Manuals, Handbooks, Simulations, Animations, Videos, etc.) 
FCC RADIO & TV CONVERSIONS  CALCULATORS  Media Bureau  Division, Federal Communications Commission (FCC) VERY VERY EXTENSIVE. For more information see Directory of Media Bureau Pages; Audio Division; Media Bureau  Division or the Federal Communications Commission (FCC)
FM and TV Channel Frequency Calculators include:
Frequency to FM Channel Number Calculator; TV Channel to Frequency Band Calculator... Field Strength Calculator Field Strength Calculator includes:
Transmission Line Efficiency Calculator Transmission Line Efficiency Calculator INPUT Values include:
Electrical Degrees Calculator Electrical Degrees Calculator INPUT Values include:
Electrical Degrees to Meters (Tower Height in Electrical Degrees or Cable Length in Electrical Degrees); etc..."
AM Common Point/Antenna Current Calculator INPUT Values include:
Nominal RF power in Watts; Common Point Current or Antenna Current..." AM Transmiter Harmonics Calculator AM Transmiter Harmonics Calculator INPUT Values include:
Standing Wave Ratio Calculator Standing Wave Ratio Calculator INPUT Values include:
RPU/STL Frequency Tolerance Calculator RPU/STL Frequency Tolerance Calculator INPUT Values include:
Tolerance of Frequency in Percentage..." COORDINATES CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS
CUMULATIVE LEAKAGE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS
Cumulative Leakage Index Calculator INPUT Values include:
Corresponding Radius for each Leak; Test Frequency..." DBN CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS
DBM TO MILLIWATTS CALCULATOR  RF Mentor (the new home of BesserNet content and eLearning), Besser Associates dBm to Milliwatts Calculator

FCC Databases FCC Calculators Broadcast Radio FM CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS
PROPAGATION CURVES CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FM AND NTSC TV PROPAGATION CURVES CALCULATIONS  Media Bureau  Division, Federal Communications Commission (FCC) VERY VERY EXTENSIVE. FM & NTSC TV Propagation Curves Calculator
FM BROADCAST CHANNEL TO FM FREQUENCY CALCULATORS & APPLETS
AM STATIONS CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS
AM STATIONS SUNSET CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS LOCAL SUNRISE SUNSET CALCULATIONS  Media Bureau  Division, Federal Communications Commission (FCC) For more information see Broadcast Radio; Audio Division; Media Bureau  Division or the Federal Communications Commission (FCC) VHF LINE OF SIGHT CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS
VHF/UHF LINE OF SIGHT (RADIO HORIZON) CALCULATOR  J. Owen, Wirral Peninsula, County of Merseyside, U.K. VHF/UHF Line of Sight Calculator INPUT Values include;
VSWR CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS
VSWR Calculator INPUT Values include:

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