40 meter

A 5 elements Vee log-yagi for 10m - 5 elements "vee" log-yagi for 10m band- boom lenght : 4mt. Gain : over 10 dBd , f/b =over 40 db (deep null) f/b= min 20dB for different polarization signals

Portable Magnetic Loop Antenna Version 2 - A simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres. For its size, the performance of the antenna always astounds me, although it is never going to replace a Yagi

Generic 2 Meter J-Pole antenna - Here's an antenna that you can take with you. This is made from cheap flat 300 ohm TV antenna wire.

Build a 2 Meter 5/4 Wave Antenna  ^pop - This antenna is unique in that it is enclosed entirely in 3/4" PVC by N1HFX

Dual Band Vertical On Autopilot - A good 20 & 40 meter dual band vertical using a novel tuning method that provides automatic band switching.

W7AV 40 Meter Half Square - These antennas offer big gun DX performance on the low bands, yet they are surprisingly simple to build. Try one- you will like it!

Hairpin match for the 5 elements Tonna for 6 meter - How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db!

Magnetic Loop for 80 and 40 Meters - A Magnetic loop antenna for the low bands, Günther Majewski, DH7BZ (ex DC7BZ) in german

80-10 Meters Doublets antennas - All band doublet antenna based on NB6Zep's design and an 88 foot flatop version

Bazooka vs Dipole - Discussion, will a double bazooka outperform a dipole, enough to notice a difference on 40m.

F5TER Antenne EH 160 M - EH Antenna for 160 meters band and links to more EH antenna plans

G5RV vs. Ground Plane on 80M - Comparison tests by WF7T of a G5RV antenna vs a GP antenna on 80 meters band

300 Ohm Twin-Lead J-Pole - popular 2-meter emergency antenna that can be found all over the internet and in antenna books.

Copper Cactus J-pole VHF antenna - Copper cactus dual-band super J-pole antenna project for 2 meters and 70 cm

Multiband yagi antenna plan - F6CHT plan for a multiband yagi antenna that covers 6 to 30 meters band in french

LU9DPD Windom dipole - A multiband windom dipole antenna for 80 40 20 10 meters, feeded with a home made 4:1 balun, in spanish.

Planetary SKIPshooters - Planetary SKIPshooters: Society for Keen Ionospheric Propagation - A CB Radio (Citizens Band Radio) DX (shooting skip) Group (Club) for 11 meter radio communications.

K0KP 10 Meter QRPp Beacon - Homebrew K0KP 500 Milliwatt Ten Meter Beacon. The beacon is located at the K0KP shack in Fredenberg, Minnesota, USA at Maidenhead grid square EN36VW

ZeroFive Antennas - Vertical antennas for all HF bands, expecially 80 40 20 meters bands

Saratoga ham radio products - Saratogaham.com brings you the latest product news and information about saratoga amateur radio products, Power meters, power panels and PSK radio to pc interfaces

Jetstream - Antennas, base mobile scanner and vhf antenna, coax cables, coax switch, Lightning Arrestor, mounts, power supply, speakers and wattmeters

Using the Heath SB-200 Linear on Six Meters - Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V

5 Watt 40 Meters transmitter - This circuit is unique in that it uses a power mosfet as a final rather than a conventional bipolar transistor.

A cheap S Meter - A low-level voltage meter and could even be used for audio purposes.

The ROSE 80 CW Transceiver - Build a 5 watt, 80 meter QRP CW Transceiver Designed by N1HFX