dipole 40m

Broadband 80/160 Meter Dipole - An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band by K5GP

Shortened dipole for 160 meters - A short dipole for 160 meter band by XE3RN, includes also a receive only loop antenna in spanish

Dipole for 40 Meters by K4VX - Here’s a very simple and practical way to make a short but efficient 40-meter dipole. The K4VX Linear-Loaded Dipole for 7 MHz

40m & 80m portable wire antenna - G8ODE antenna project, where the 40m & Short 80m antenna was deployed as a sloping wire antenna using the 10M fibre glass fishing pole and a hook on the house's gutter-board

Antenna Loading Coil Calculation  ^updated - The calculation refers to either a loaded 1/4 wave or a loaded dipole,

Dipole Centre Insulator - GM3MCK Central dipole insulator for inverted V dipoles

Broadband Dipole 2MHz o 30MHz with no ATU - A broadband travelling wave dipole for HF bands, whose VSWR is less than 2:1 from 3 to 15 MHz and does not exceed 2.6 to 1 from 2.3 to at least 30 MHz

80-40-20 Meter Dipole antenna - Multiband dipoles capable of operating on 80 through 6 meters band with a tuner by KJ4EX

Practical Dipole Antenna - All about dipole antenna construction

Trap dipole for WARC bands - Diamond W8010 Multiband Dipole Modifications

Folded Dipoles - Theory of the classic Folded Dipole by G3TXQ

Electrically-Short Dipole Antennas - Electrically shortened dipole antennas, article by Mark Connelly, WA1ION

QRO End Fed Half Wave Antenna Coupler - A 40m through 20m QRO End Fed Half Wave Antenna Coupler by Steve Yates - AA5TB

Designing Driven Elements in Yagi antennas - The design and feeding of driven elements for VHF/UHF Yagi antennas , modeling, observations and some case studies by Graham Daubney F/G8MBI

Antennas 101 - Dipoles, Doublets and Verticals by Rob May NV5E

UHF VHF Folded Dipole - Dual band 2 m and 70 cm folded colinear aerial array project by G2BCX

Duoband DK7ZB-Yagis 2m and 70cm - These Yagis cover the range of 144-146MHz on 2m and 430-440MHz on 70cm. They can be used for alle modes (FM and SSB/CW). On both bands the SWR is good across the whole band.

Vertical end Firen Antenna - A bi-directional vertical antenna with 4db gain over a dipole.

Cobra Ultralite Antenna - A multi-band wire-dipole using multi-conductor cable on each leg.

GB Antennas and Towers - Dutch Antenna and Tower Manufacturers from Slimline Square Triangular Round Towers. Antennas production include Yagi Monoband/Dipole/HF Quad /50MHz and 70MHz Yagi-Quad, VHF-UHF yagi-Quad and Comby antennas VHF/UHF/SHF

Moonraker 4 Antenna manual - English manual of the AV-140Moonraker 4 antenna

Homebrew 40m CW Transceiver - 7N3WVM homebrew project of a 3 W output CW transceiver on 7 MHz band

40 Meter QRP Transmitter - A simple 40 meter CW transmitter, it sports full break-in operation and 250 mW of output power.

The Rock-Mite CW Kit - The Rock-Mite is a 40m CW kit offered by Small Wonder Labs . It features built-in keyer, direct conversion receiver with a crystal RF bandpass filter, 500 milliwatts of power, and switchable frequency offsets to work around QRM

40 m Band Direct Conversion Receiver - Practical and usable direct conversion receiver for the 40 m CW band