MARTINDALE'S CALCULATORS ON-LINE CENTER ENGINEERING A-Z BROADCAST ENGINEERING (Calculators, Spreadsheets, Databases, etc.)

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Broadcast Engineering BROADCAST CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS BROADCAST ENGINEERING CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FCC RADIO & TV CONVERSIONS - CALCULATORS - D. Bickel, Audio Services Division, Mass Media Bureau, Federal Communications Commission (FCC) VERY VERY EXTENSIVE. For more information see Audio Services Division: AM & FM Radio Broadcasting or the Federal Communications Commission (FCC) Some examples from over "10" Radio & TV Conversion Calculators include FM and TV Channel Frequency Calculators FM and TV Channel Frequency Calculators include: "...FM Channel to Frequency Calculator; Frequency to FM Channel Number Calculator; TV Channel to Frequency Band Calculator... Field Strength Calculator Field Strength Calculator includes: "...mV/m or dBu..." Transmission Line Efficiency Calculator Transmission Line Efficiency Calculator INPUT Values include: "...FM Channel Number; Cable Type; Length of Cable..." Electrical Degrees Calculator Electrical Degrees Calculator INPUT Values include: "...Frequency; Meters per Wavelength; Electrical Degrees to Meters (Tower Height in Electrical Degrees or Cable Length in Electrical Degrees); etc..." ONLINE BROADCAST ENGINEERING RELATED CALCULATORS - A.D. Kass VERY EXTENSIVE. For more information see Allen's Engineering Home Page Some examples from over "10" Broadcast Engineering Calculators include AM Common Point/Antenna Current Calculator AM Common Point/Antenna Current Calculator INPUT Values include: "...Call Letters; Antenna/Common Point Resistance; Nominal RF power in Watts; Common Point Current or Antenna Current..." AM Transmiter Harmonics Calculator AM Transmiter Harmonics Calculator INPUT Values include: "...Call Letters; Fundamental Frequency of Transmitter in MHz..." Standing Wave Ratio Calculator Standing Wave Ratio Calculator INPUT Values include: "...Forward Power in Watts; Reflected Power in Watts..." RPU/STL Frequency Tolerance Calculator RPU/STL Frequency Tolerance Calculator INPUT Values include: "...Center frequency of transmitter in MHz; Tolerance of Frequency in Percentage..." COORDINATES CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FOR COORDINATES CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS SEE NAVIGATION CALCULATORS: DISTANCE & LOCATION CUMULATIVE LEAKAGE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS CUMULATIVE LEAKAGE INDEX (CLI) CALCULATOR - C.E. Harrington, Engineering and Technical Services Division, Cable Services Bureau, Federal Communications Commission (FCC) VERY EXTENSIVE. Cumulative Leakage Index Calculator INPUT Values include: "...Plant Miles, Test Miles; Leaks LESS or EQUAL to 50uV/m at 3 miles; Corresponding Radius for each Leak; Test Frequency..." For more information see the Engineering Division; Media Bureau or the Federal Communications Commission (FCC) DBN CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS DBW CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS DBM/DBW CALCULATOR (JAVA APPLET) - Besser Associates "...Using dB notation simplifies power calculations in communications systems. For example, if the measured power at the input of an amplifier is 5dBm and the gain of the amplifier is 20dB, then the measured..." For more information see Teaching Modules & Calculators or Besser Associates

FCC CALCULATORS, APPLETS, ANIMATIONS, SIMULATIONS AND DATABASES FCC INTERACTIVE DATABASES - Federal Communications Commission (FCC) VERY VERY VERY...EXTENSIVE. Major FCC Interactive Databases include FCC Calculators, Applets & Databases ALLO AM Daytime Groundwave Preliminary Study "...ALLO lists AM stations that may be considered by the staff during a daytime groundwave analysis for an AM station proposal..." AMwave AMwave "...receives an input frequency (up to 30000 kHz = 30 MHz) and calculates the corresponding wavelength of that signal..." Figure 8, Section 73.190 Calculations Figure 8, Section 73.190 Calculations "...perform calculations of the theoretical inverse distance field strengths in the vicinity of AM broadcast radio stations, using the graphs in Figure 8, Section 73.190 of the FCC's rules..." Travellers' Information Stations Search Travellers' Information Stations Search "...will retrieve all the Traveller's Information Stations in the United States on the selected frequency..." FMpower ERP and FM Station Class Calculations FMpower ERP and FM Station Class Calculations "...uses the FM propagation curves program to calculate the effective radiated power (ERP) needed to achieve the maximum (reference) facilities for a given FM station class..." FCC ID Equipment Authorization Database AMQ AM Radio Database & AM Calculators FMQ FM Radio Database Video Division Databases TVQ TV Database & TV Calculators FM CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS NTSC TV CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS PROPAGATION CURVES CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FM AND NTSC TV PROPAGATION CURVES CALCULATIONS - D. Bickel, Audio Services Division, Mass Media Bureau, Federal Communications Commission (FCC) VERY VERY EXTENSIVE. FM & NTSC TV Propagation Curves Calculator "...uses the FM or NTSC (analog) television propagation curves to compute distances to contours or a field strength at..." For more information see Radio Tools or the Audio Services Division FM BROADCAST CHANNEL TO FM FREQUENCY CALCULATORS & APPLETS FM BROADCAST CHANNEL TO FM FREQUENCY CONVERSIONS & FM BROADCAST FREQUENCY TO FM CHANNEL NUMBER - D. Bickel, Audio Services Division, Mass Media Bureau, Federal Communications Commission (FCC) VERY EXTENSIVE. For more information see Radio Tools or the Audio Services Division AM STATIONS CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS AM STATIONS SUNRISE CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS AM STATIONS SUNSET CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS SUNRISE/SUNSET CALCULATOR FOR AM STATIONS IN THE U.S. - D. Bickel, Audio Services Division, Mass Media Bureau, Federal Communications Commission (FCC) Sunrise Calculator - Sunset Calculator for AM Stations in the U.S.: "...These values are important to those AM stations who must reduce power, cease operations, or change to directional operation during the nighttime hours, as well as the stations protected by the changed operation..." For more information see Radio Tools or the Audio Services Division VHF LINE OF SIGHT CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS UHF 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; "...Antenna Height of 1st Station; Antenna Height of 2nd Station..." For more information see the Amateur Radio & Audio JavaScript Collection; Amateur Radio & Electronics or John Owen's Home Page VSWR CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS VSWR CALCULATOR - P-N Designs, Inc. VSWR Calculator INPUT Values include: "...VSWR, Reflection Coefficient, or Return Loss..." For more information see Microwave Calculators or Microwave 101 VSWR CALCULATOR - Owen Duffy VERY EXTENSIVE. VSWR Calculator is "...designed to model the common configuration where a transmitter which is designed for a particular load impedance, is connected to a an antenna of that impedance, over transmission line of the same characteristic impedance..." For more information see VK1OD Tools or VK1OD VSWR REDUCTION CALCULATOR - Spectrum Microwave VSWR Reduction Calculator "...One technique to reduce the reflected signal from the input or output of any device is to place an attenuator before or after the device. The attenuator reduces the reflected signal two times the value of the attenuation, while the transmitted signal receives the nominal attenuation value..." VSWR Reduction Calculator INPUT Values include: "...Attenuation; VSWR or Return Loss; Gain of the device..." For more information see Tools or Spectrum Microwave

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