40 meters

295 links - and 3 categories

Experiments with 160m antennas - vk3il
Experimentin wire antennas on top band using several type of aerials This includes a 40 ...

[ Hits: 177 | Votes: 0 | Rating: 0 ]

Half-Length Dipoles for 40 Meters - W4RNL
Complete collection of the four main parts of this excellet research on modelling and designing ...

[ Hits: 388 | Votes: 2 | Rating: 10 ]
40-80 Coax Trap Dipole - I6IBE
Full article on how to build a home made wire dipole antenna for 40 and ...

[ Hits: 268 | Votes: 3 | Rating: 9.33 ]

Dedicated 80m Vertical - M0MCX
A dedicaed vertical antenna for 80 meters band based on a 40 meter vertical experiment ...

[ Hits: 223 | Votes: 1 | Rating: 4 ]

Quad Band Inverted V Antenna - AC7II
An inverted V Dipole antenna for HF bands working on 10 20 40 and 80 ...

[ Hits: 385 | Votes: 1 | Rating: 7 ]
80m-40m Loaded Dipole - VK5HW
A dual band dipole antenna for 40 and 80 meters band Total lenght of 26 ...

[ Hits: 257 | Votes: 4 | Rating: 5 ]

The Pop-Up Vertical 2.0 - WB3GCK
Basically this antenna is a 23 foot wire fed through a 4 1 un un ...

[ Hits: 254 | Votes: 0 | Rating: 0 ]

Ferrite Rod TX Antenna for 40m - G3XBM
No exotic claims are made for this antenna Author just tried a few WSPR experiments ...

[ Hits: 300 | Votes: 1 | Rating: 1 ]

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 ]

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: 238 | 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 ]

W3DZZ Multiband Antenna - I6IBE
An easy to build and extremely high performance antenna works perfectly on all HF bands ...

[ Hits: 465 | Votes: 3 | Rating: 7.67 ]

Build your own Windom Antenna - N7RXE
Building a Windom HF Antenna A PDF file presentation about homebrewing a windom antenna for ...

[ Hits: 773 | Votes: 2 | Rating: 10 ]

AGCW-DL QRP Contest - AGCW-DL
The AGCW DL invites all radio amateurs to participate in the annual QRP CONTEST Annually ...

[ Hits: 46 | Votes: 0 | Rating: 0 ]

OK1WC Memorial MWC Contest - MWC
A CW contest running every Monday from 1630 UTC to 1729 UTC on 40 and ...

[ Hits: 107 | Votes: 2 | Rating: 10 ]

WebSDR Wismar - DO7AX ^updated
This WebSDR is located in Wismar in the north of Germany JO53RV and operated by ...

[ Hits: 471 | Votes: 5 | Rating: 10 ]
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 ]
WebSDR from Croatia - 9A3LI
WebSDR receiver located near Krizevci Croatia with 0 2 MHz 60 80 meters band and ...

[ Hits: 176 | Votes: 2 | Rating: 8.5 ]

SW-3B QRP CW RTX - Venus
The SW 3B is a Three band CW QRP transceiver Weight 180g output power 5W ...

[ Hits: 121 | Votes: 0 | Rating: 0 ]

SteppIR UrbanBeam Review - PF9Z
A review of the SteppIR UrbanBeam antenna a two element Yagi antenna working 40 6 ...

[ Hits: 192 | Votes: 1 | Rating: 1 ]