40 dipole

WARC 3 band dipole - A dipole antenna for 12 17 and 30 meters band

W3DZZ for 40 and 80 meter - Home made w3dzz antenna for 40 and 80 meters band

40 meter 4-square antenna - A permanent working 40 meter system based on a 4-square antenna

PY6CJ 80/40 meters dipole - A center feed trapped dipole for 80 and 40 meter band in spanish

NVI 40 Meter Antenna Modeling - 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.

The Hudson antenna - A vertical antenna for 80 and 40 meters project with lots of assembling pictures and plan by LU9DPD in spanish

40M 3 element beam - History project and dimensions of a 3 element yagi beam for 40 meters band

TLV40m antenna - Top Loaded vertical antenna for 40m Band with elevated radials

Top loaded vertical - Vertical Antenna for 40m Band with elevated Radials Top Load is a Mesh 2 x 1 meter (Netz 2x1m) enamelled wire 0.5 mm diameter (CuL 0,5mm)

Portable dipole for 40 Meters band - Pictures and swr reports for a portable dipole antenna for 40 meters band in german

Broad Band Dipole for 80m - Mesh constructed with enamelled wire 0.5 mm diameter For installing a support (plastic rope 2 mm) is needed. Antenna used on Solomon Isl in 1995 H44/DJ9RB

Collinear Microstrip Patch Antenna - Design of a 869 Mhz Collinear antenna

K7MEM - Inverted V Antenna Design - Inverted V antennas is a dipole with the center raised on a mast and the endpoints near ground. Calculate dimensions online.

A cheap and easy TV antenna - A simple, cheap, efficient tv antenna that you can make yourself.

Inverted V antenna - A french document about Inverted V dipole antennas

40m broadband vertical antenna - A loopy loop loaded vertical antenna operating range 7.0 to 7.3 MHz by S. C. Chuck Smith, WA7RAI

AO-40 70cm Uplink Antenna - homebrew satellite antenna

1200Mhz 40elements YAGI - A table with element size and spacing for a 40 Elements yagi antenna for 1200 Mhz

All Band Dipole - Antenna suitable for all the HF amateur bands, including the so called WARC bands by vk6ysf

D3 Antenna for Field Day - D3+ High Performance Antennas for Field Day. This article describes versatile broadband wire antennas. These antennas will double your effective radiated power over a dipole, will be easy and inexpensive to build and install, and will be simple to match.

Contest University - After a year of preparation, 150 students and 11 professors participated in 10 hours of intense Contesting instruction covering some 22 topics, with over 400 pages of text

Free Web Receivers from UK - Up to 3 free to tune receivers based in Bedfordshire England, Ten Tec RX320D, Yaesu FT-840 and Icom PCR-100

Yagi-logper - Yagi-logper is a linux GPL program to model a Yagi or Log-periodic antennas with horizontal cylindrical dipoles.

Codec 2 - Codec2 is an open source low bit rate speech codec designed for communications quality speech at around 2400 bit/s. Applications include low bandwidth HF/VHF digital radio.

40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer