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Vertical HF multiband antenna 8 bands
Antenna height 6,5m impedance in point of power supply 50 Ohm SWR 1.5:1, or less Power limit 1000W Bandwidth at 2:1 SWR
post 04 Dec 2024
Antenna Vertical Links →
MicroVert Antenna
The MicroVert antenna, designed by , DL7PE, is a short, base loaded antenna that uses the coax shield as a counterpoise
Multiband Semi-Helical Inverted L Vertical
This is my attempt to build an antenna for 80 and 40 meters that will accommodate my installation limitations
Opposite Voltages Fed Two Element Array
Both elements are voltage driven, in opposite phase ,from the feedpoint of element 1 driven there is a 1/2 wavelength cable electrical wavelength to the feedpoint of element 2 reflector
Stealth Multiband Vertical 40-80mt
The Spiderbeam pole is quite a bit more substantial than the fishing rod types that I'd used in the past, but it's still light enough to take up and down in a minute
Vertical fishingrod antenna
This vertical antenna is based on the Ground Plane theory too, with use of the base-loaded radiator
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The MicroVert antenna, designed by , DL7PE, is a short, base loaded antenna that uses the coax shield as a counterpoise
This is my attempt to build an antenna for 80 and 40 meters that will accommodate my installation limitations
Both elements are voltage driven, in opposite phase ,from the feedpoint of element 1 driven there is a 1/2 wavelength cable electrical wavelength to the feedpoint of element 2 reflector
The Spiderbeam pole is quite a bit more substantial than the fishing rod types that I'd used in the past, but it's still light enough to take up and down in a minute
This vertical antenna is based on the Ground Plane theory too, with use of the base-loaded radiator
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