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Coaxial-Dipol antenna consisting of an antenna whip


This is a very simple antenna consisting of an antenna whip of 1/4 wavelength and a tube of 1/4 wavelength
post 05 Dec 2024
Coaxial-Dipol antenna consisting of an antenna whip

Antenna 6 meter Links

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6 inches -15.24 cm -Tommer Antennen
The name Six-Inch Six-Incher comes from the dipole being only 6 inches 15.24 cm

8 element 41 foot boom
8 element, 41 foot boom, mounted at 87 feet. 14.0 dBi gain, homebrew design

Antenna JPOLE 50 Mhz
Una canna da pesca lunga m.4,5. in configurazione jpole per i 50 Mhz. In questo caso e' stato impiegato filo di rame nudo rigido di diametro 1,5mm. sez. 1,8 mm 2

UHF 3-element portable antenna with gamma-match



PIC-Keyer

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

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

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