Hits
For line-of-sight radio or microwave
Frequency GHz,transmit antenna diameter m,transmit antenna aperture efficiency e.g. 0.65
post 05 Dec 2024
Antenna Calculator Links →
Inductance of a Solenoid
Resonance in AC circuits implies a special frequency determined by the values of the resistance
Super J-Pole Collinear
The central hairpin separating the two 5/8, can be made with 4 mm2 hard copper wire or even with a piece of copper serpentine
Transmission Line Calculator
An excellent program to check the results for lossy lines is TLA
SWR Calculator 1.2 Jeff McClay
159
Resonance in AC circuits implies a special frequency determined by the values of the resistance
The central hairpin separating the two 5/8, can be made with 4 mm2 hard copper wire or even with a piece of copper serpentine
An excellent program to check the results for lossy lines is TLA
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62
RF Inductance Calculator Mean diameter of the air core coil, measured from conductor centre to conductor centre include the wire insulation thickness, if any
Voice Recorder Gestito dall'integrato in questione ed offre la possibilità di registrare più messaggi per una durata massima di un minuto con buona fedeltà di riproduzione