20m

156 links - and 1 categories

Speaker Wire Delta Loop Antenna for 20M - WB3GCK
The antenna I built was inspired by a portable delta loop designed by Doug DeMaw ...

[ Hits: 128 | Votes: 0 | Rating: 0 ]

20m Coil-Shortened Dipole - n1fd
Build a low-cost 20m shower rod dipole antenna

[ Hits: 105 | Votes: 0 | Rating: 0 ]

4m Tall Vertical Dipole for 20m - TF3LJ
Constructed in May 2008 this innovative 4m tall electrically full size halfwave vertical dipole tunable ...

[ Hits: 96 | Votes: 0 | Rating: 0 ]

Microvert Antenna for 40m by ON7IR - ON7IR
A mircovert antenna assembled for the 40m version of the DL7PE antenna A one meter ...

[ Hits: 154 | Votes: 0 | Rating: 0 ]

Delta Loop vs End Fed Half Wave on 20m - PH0NO
Intrigued by a German OM positive experience with a 20m delta loop the author replicated ...

[ Hits: 123 | Votes: 0 | Rating: 0 ]

End fed half wave antenna 40/30/20m - TK5EP
For my SOTA activities i recently bought a QRP transceiver QRP SW 3B which is ...

[ Hits: 170 | Votes: 0 | Rating: 0 ]
End-Fed Half-Wave Antenna for 20m 40m 80m - VA3KOT
How to Design and Build a Field Expedient End Fed Half Wave Antenna for 20m ...

[ Hits: 143 | Votes: 1 | Rating: 4 ]
HF EFHW Antenna Antenna Tuner - ZL2CTM
Schemaric diagram for a 80m 40m 30m 20m EFHW Antenna Antenna Tuner The tuner has ...

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EFHW Anntenna 40-10 for QRP - YO6DXE
The author discusses their endeavour to create a compact robust resonant antenna for QRP operations ...

[ Hits: 54 | Votes: 0 | Rating: 0 ]
Comparing Mobile whip versus EF HW Vertical - PH0NO
PH0NO conducted field tests comparing a mobile antenna DX UHV to an end fed half ...

[ Hits: 81 | Votes: 0 | Rating: 0 ]
Full size 80m End Fed Half Wave Antenna - G4WIF
The author reflects on expanding their antenna for 80m coverage during lockdown They extend the ...

[ Hits: 99 | Votes: 0 | Rating: 0 ]

Short Antenna for 40-30-20 Meters Band - dj0ip
This page describes an entirely simple One Knob matchbox that will match this antenna efficiently ...

[ Hits: 239 | Votes: 1 | Rating: 7 ]

Simple 3 band vertical antenna - MM0FMF
The reason for making this antenna was the desire for a vertical hence DX ish ...

[ Hits: 155 | Votes: 0 | Rating: 0 ]

NZ Amateur Beacons - vhf.nz
A list of HF VHF UHF Beacon list from New Zealand All beacons from 20m ...

[ Hits: 36 | Votes: 0 | Rating: 0 ]

Arduino Digital Transceiver Project - WB2CBA
Arduino Digital Transceiver ADX is a low cost HF transceiver for digital modes This Arduino ...

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