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Short Top Band 160m Antenna
Antennas such as the one pictured here do indeed work relarively well on 160m, provide you provision for the high voltage and high current involved
post 22 Aug 2024
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Buid your own flower pot antenna
Its called a Flower Pot Antenna because, the original antenna was cleverly disguised in a flower pot
Gate Spring Dipole
This is an 80 metre dipole that fits in a small space. An ATU is needed and using the ATU, the antenna works on other bands too
Packing crate antenna
Nobody will ever suspect that it is realy an antenna and is used for transmitting
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Its called a Flower Pot Antenna because, the original antenna was cleverly disguised in a flower pot
This is an 80 metre dipole that fits in a small space. An ATU is needed and using the ATU, the antenna works on other bands too
Nobody will ever suspect that it is realy an antenna and is used for transmitting
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