Transmission Line Calc vs MorseTest使用状況と統計

Transmission Line Calc allows you to perform several calculations related to RF transmission lines. After selecting from one of 53 different transmission lines, you specify the length and operating frequency. The characteristic impedance and velocity factor of the cable is displayed, and the attenuation (loss) as well as electrical length (in wavelengths and degrees) is displayed. Next, you can specify the impedance (both resistive and reactive) and whether this is measured at the input to the transmission line or the load. The impedance at the other end of the transmission line is calculated, as well as the SWR (Standing Wave Ratio) for both ends. The loss due to the SWR is then calculated and displayed, as well as the total loss. Next, you can enter in the input power, the loss due to the cable as well as SWR is displayed, and the net power out. Supported cable types: Belden 8215 (RG-6A) Belden 8237 (RG-8) Belden 9913 (RG-8) Belden 9258 (RG-8X) Belden 8213 (RG-11) Belden 8261 (RG-11A) Belden 8240 (RG-58) Belden 9201 (RG-58) Belden 8219 (RG-58A) Belden 8259 (RG-58C) Belden 8212 (RG-59) Belden 8263 (RG-59B) Belden 9269 (RG-62A) Belden 83241 (RG-141A) Belden 8216 (RG-174) Belden 8267 (RG-213) Davis RF Bury-Flex TMS LMR-100A TMS LMR-200 TMS LMR-240 TMS LMR-400 TMS LMR-600 TMS LMR-900 300 ohm Tubular 450 ohm Window 600 ohm Open Andrew Heliax LDF4-50A Andrew Heliax LDF5-50A Andrew Heliax LDF6-50A Generic 300 ohm Tubular Generic 450 ohm Window Generic 600 ohm Open CommScope 6 Series Plenum CommScope 11 Series Plenum CommScope 59 Series Plenum CommScope 6 Series Drop CommScope 11 Series Drop CommScope QR 320 Drop CommScope 59 Series Drop Aircell 5 Aircell 7 Aircom Plus Ecoflex 10 Standard Ecoflex 10 Plus Ecoflex 15 Standard Ecoflex 15 Plus Ecoflex 10 Plus HTX MACX350A 3-1/8" Rigid Line MACX450A 4-1/16" Rigid Line MACX650A 6-1/8" Rigid Line MACX775A 7-3/16" Rigid Line MACX850A 8-3/16" Rigid Line

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MorseTest

Audio learning can be a great brain exercise. This is a Morse Code practice test generator which can generate random 5-letter words, and send them in International Morse Code using your iPhone speaker. The WPM (words per minute) speed can be easily set. You can independently set the dot speed (for the Farnsworth method), and tone frequency. You can also configure the number of possible letters and numbers used, as well as customize the sequence of letters and numbers from which the test words are generated (for training similar to the Koch method). You can either show or hide the test words as they are sent. Other Morse Code applications by HotPaw Productions in the App Store include MorseDecoder, MorseKey, and Text2Morse.