20 meters

312 links - and 3 categories

A Simple High-Performance Vertical Antenna - KK5JY
This article describes the details of the design which can be easily scaled for just ...

[ Hits: 670 | Votes: 3 | Rating: 9.67 ]

Coax Dipole for 2 meters band - VK1NAM
A homebrew 2m 144 2 MHz vertical 1 2 wave Coaxial Dipole antenna project for ...

[ Hits: 250 | Votes: 3 | Rating: 6 ]
Two elements Telescopic Yagi for 2 Meters - VK1AD
A lightweight PVC hand held telescopic 2 element 2m 145 MHz yagi using two pairs ...

[ Hits: 162 | Votes: 0 | Rating: 0 ]

A Cobwebb antenna homebrew - 2E0DDH
A homebrew cobwebb antenna for HF bands covering from 10 to 20 meters band ...

[ Hits: 181 | Votes: 1 | Rating: 10 ]

Square Halo Antenna for 10 and 20 Meters - PA9X
How to build a limited space 10 and 20 meter band Square Halo DX antenna ...

[ Hits: 242 | Votes: 1 | Rating: 9 ]

Moebius style 80/40 m band antenna - YO4DFT
A loop antenna for 80 and 40 meters band the main loop is based by ...

[ Hits: 320 | Votes: 1 | Rating: 1 ]

Multi-Band 4 Foot Magnetic Loop with Gamma Match - AA1IK
This antenna works on 17 20 and 30 meters with the best bandwidth on 20 ...

[ Hits: 141 | Votes: 2 | Rating: 10 ]
Loop magnetic antenna for 80-160 meters band - AI6TK
Jeri Ellsworthhas started a video series devoted to building a magnetic loop antenna for the ...

[ Hits: 175 | Votes: 0 | Rating: 0 ]
K1FM Mini Magnetic Loop - K1FM
Original HF magnetic loop antenna designed by the author to work in conjunction with QRP ...

[ Hits: 119 | Votes: 1 | Rating: 8 ]

Home made multiband MOXON - HB9DSP
Multi band Moxon Yagi Antenna for 10 15 20 meters band with just one feed ...

[ Hits: 493 | 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 ]

Homebrew an OCF Off-Center Fed Dipole Antenna - W5ODJ
This type of antenna is a popular antenna design as the performance is very good ...

[ Hits: 198 | Votes: 3 | Rating: 6.67 ]

Build this Vertical Portable HF Antenna - KX4O
An experimental prototype of an asymmetrical hatted vertical dipole antenna that can work on HF ...

[ Hits: 374 | Votes: 3 | Rating: 9.67 ]
The 2BD beam antenna for 20 meters - EA2BD
A light portable 2 element Delta beam antenna for 14 MHz It is basically a ...

[ Hits: 186 | Votes: 1 | Rating: 8 ]

20-30m Vertical Antenna - F6GLZ
Homebrew project for a vertical antenna with a coaxial cable trap that works on 20 ...

[ Hits: 73 | Votes: 0 | Rating: 0 ]

PY2GN SDR Brazil - PY2GN
WebSDR Pardinho SP Brazil providing access to HF bands 160 80 40 20 15 11 ...

[ Hits: 136 | Votes: 2 | Rating: 7.5 ]

W6LVP Loop Antennas - W6LVP
Magnetic loop receive antennas manufacturer W6LVP loops cover 2200 through 10 meters 135 kHz through ...

[ Hits: 145 | Votes: 1 | Rating: 4 ]

Unpredictable Aspects of 160 meter Propagation - NM7M
Come learn why it is very difficult to predict propagation on the top band Ionospheric ...

[ Hits: 65 | Votes: 0 | Rating: 0 ]