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Isotron antenna for 80m band


For the 80 m band the coil is wound with black 1.5 mm installation wire of approximately 10 m length. The antenna resonates at 3,630 MHz with a bandwidth of + and - 22 kHz
post 28 Jan 2024
Isotron antenna for 80m band

Antenna 80 meter Links

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Broadbanding half square antenna for 80mt
Half-square antenna is by naturerelatively narrow band.1On80 meters, for example, an SWR be-low 2:1 can be achieved anywhere in theband, but only over a relatively small range 60 to 100 kHz

Double bazooka/coaxial dipole antenna
A typical, dipole antenna has bandwidth of about 50 to 100 KHz

EWE rx antenna for 80 meter
The antenna is an aperiodic inverted U which is operated against ground.. Coupling to the coax to the rx is via a 1:3 transformer

Hex Array 80/40 Meter Vertical
Homebrew 80/40 meter trap vertical. The trap is a coaxial cable trap, made from RG-213 cable


Dipole 80/40 and 20/10 meters with tuner

Dipole 80/40 and 20/10 meters with tuner The wire used is an enamelled copper wire with a diameter of 1.9 mm and a length of 3 meters, often used in transformers

A remote antenna switch

A remote antenna switch An abiding dislike for bundles of cables running on the exterior of my house, so a remote antenna switch seemed like a good idea

Quad Stacked Omni 2.4/5 GHz Antenna

Quad Stacked Omni 2.4/5 GHz Antenna Compact Omni head design dual Band Frequency beamwidth: 360° Horizontal, 15° Vertical quad Stack improves gain to 12dBi