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Moxon antenna project, each side is 51 feet long and the turned in sections are each 7.7ft long. This antenna performed similar to a full size two element yagi for 40 meters.

This very large moxon antenna resonate on 80 40 and 10 meters, has been used for CQWW 2006 by a YU team project

A site devoted to Amateur Radio Homebrewing, CW-decoder, CW QRP Transceiver for the 40 & 20 meters band, CMOS reader

Shortened dipole with traps for 40 meters band in portuguese

The basic antenna is a vertical monopole, using elevated radials to complete the ground plane by k5oe

A youtube video of a Short Delta Loop antenna, only 8,5 meters per side. This project use a loading coil of 56,7 uH for electrical matching.

The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF

A delta loop antenna project for the 40 meters band, include dimensions 80 meters band, with construction details, schematic and tuning instructions

A small antenna for all amateur bands, including 80 meters, and in a small garden without the compromise. An ideal replacement for those half size antennas such as the 1/2 size G5RV and Windom 40

40 meter transmitter by K9GDT

This high antenna require a large ground composed by 40 radials. It's not very handy expecially in windy situations but is very powerfull in pile-ups. In italian

VK2ZAY end-fed antenna for 40 and 80 meter band

If you find external wire antennas obtrusive for amateur radio or short wave listening, then this is the antenna for you, is just 1 meter diameter

1993 QST Article of a 2 meter beam antenna by WB0CMT

409 Shop is an Ham Radio and electronics online shop based on Hong Kong deliver worldwide. Ham Radio transceivers, batteries, swr meters, antennas and other ham radio accessories. Currently the shop seems to be out of business

The document discusses a two-element parasitic Delta-Loop array for the 40 meters band, aimed at radio amateurs interested in antenna projects. It provides detailed plans and instructions for building a homemade Delta-Loop antenna.

EF403 is a 3 element yagi antenna for the 40 meters band with high gain and F/B Ratio

Bill Orr W6SAI ham radio techniques. Improving ground connection, computer analysis of the antenna, modelling sample antennas pdf file

40 meters elevated vertical antenna array at VA7ST

A direct drive ring radiator antenna for the 40 meters band by W6WYQ QST article.

A homebrew project for a multiband end-fed antenna made with a single FT140-43 and 50pf capacitor and 20 meters of wire.

The intent of this site to share information about the design of a 40 meter horizontal phased array antenna.

6m to 40m EndFed Half Wave Antenna project produces an inexpensive, multiband, end fed HF antenna matchbox that is quick and easy to setup and use.

W1ZY's 40 Meter MOXON is the product of 9 months of experimentation. The final array is reversible and constructed from No. 12 insulated wire fed through two RF current baluns

A multi band delta loop antenna that work on 20 and 40 meters band, that can be used either on 15 meters with poor performances

A simple drawing of a shortened antenna for 40 meters by using a PVC tube

Article on the HF dual band antenna with construction details and how to add 160 meters to the HF2V

How to build a ground plane antenna for the 40 meters band in french

40mm diameter grey PVC pipe with a length of 9.5cm

A 40 ft vertical dipole antenna that can cover HF Bands from 80 to 10 meters winding a dipole in a 12m HD telescoping fiberglass pole

Homebrew a vertical antenna for 40 and 80 meters band based on popular HF2V model by DL7JV

An homemade portable vertical antenna with a trap near the mid point of the main element. The trap is made with 42mm diameter PVC pipe with 9 turns of wire on it

The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.

Experiments with phased wire vertical antennas on 40 meters at VA7ST

A vertical half-moxon for the 7 Mhz by F6IRF

Build yourself a postage stamp 40 meter wire dipole antenna that fits in a space a little over 20 wide and works reasonably well at low heights

A simple antenna that can be erected very fast, only need one center support, and do not take up much storage room. Works from 40 to 10 meters band

A multiband antenna that can work from 80 to 10 meters in this illustrated docuemnt by G8ODE

A quarter wave vertical end-fed antenna for the 40 meters band. As all vertical antennas, also this aerial requires a good earthing system. In this project the ground is composed by twelve 4, wires buried in the lawn by using a spade to create a slit to drop the wire into.

Survey of galactic synchrotron radiation at 408 MHz in the south of England using a 10 metre dish and a Dicke radiometer

Ham Radio 20 / 40 meter short Coax Trap dipole antenna designed with the coax trap design calculator program

Gary Breed, K9AY experience with beverages on 40 meters

3 Band vertical Marconi-antenna for the bands 40, 80, 160 meters with a ground net of wires as radials.

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

A shortened dipole for 40 meters band by Martin E. Meserve

30/17/12 and 20/15/10-Meter Tribanders and a 40 meters inverted V wire yagi antenna

This project outlines the construction of a 3-element reversible quad antenna specifically designed for the 40-meter band. The materials required include pushup towers, pressure-treated posts, insulated wire, and various electrical components such as relays and a balun. The construction process is straightforward, beginning with the installation of the posts in a straight line, followed by the assembly of the antenna elements and their elevation to the desired height. The antenna's design allows for directional signal reception, making it ideal for operators looking to enhance their communication capabilities on the 40-meter band. The project includes detailed instructions on tuning the antenna for optimal performance, ensuring that operators can achieve the lowest SWR possible. Additionally, the design can be adapted for other bands by extrapolating dimensions, providing versatility for amateur radio enthusiasts. Overall, this reversible quad antenna project is suitable for both beginners and experienced operators, offering a practical solution for improving signal strength and directionality in 40-meter communications.

Pictures of a 2 meter, 220, 440 copper J-Pole antennas

A Mini Moxon antenna for 40 meters band project in a well done PDF document

YF1AR 80 to 40 meter vertical antenna project