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VHF-UHF Line of Sight Calculator


VHF-UHF Line of Sight Calculator

These programs should work on any Javascript-capable browser

post 23 Jul 2024


Antenna Calculator Links

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Loaded Monopole Calculator
Frequency Hertz, Base Length Metres, Base Diameter Metres, Top Length Metres, Top Diameter Metres

NFC rectangular Antenna calculator
This page mentions calculator for NFC antenna of rectangular shape

Dipole Inverted Vee Antenna Design
The old standby formula 468 / freq in mhz = total length is used in the calculator

Multi cb impedance calculator
With the multi-cb impedance calculator, you can calculate the approximate impedance dimensioning of your pcb / high frequency circuit board


23cm Yagi Antenna building

23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency

50 MHz preamp Gain 26dB with the BFG135

50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection

interface-for-digital-broadcasts-with-integrated-audio

Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free