40 windom

40m delta loop - Building a 40m (7MHz) horizontal delta loop

LFA Antenna for 40m by YO2MBU Priority listing - LFA 2 elements Loop Antennafor 40m by YO2MBU

ZZ Wave net antenna - Setting up a ZZ Wave antenna, a dual band loop antenna covering 80 and 40 meters.

A Feasible Full Sized 40 Meter Beam - An antenna project for a beam antenna for 7 Mhz

40 Meter NVIS antenna - Near Vertical Incidence Skywave (NVIS) and the 40 meter Novice Sub-band.

Convert 40m 2-element to a Phased Drive Array - This presentation details the work of converting a 40m 2-element reversible beam antenna into a phase-driven type of array

The 80-40-20-10 meter fan-dipole project - Homebrew a 4 bands parallel fan dipole covering 80,40,20 and 10 meter by VE2XIP

Endfed wire antenna tuner by KC8AON - A compact halfwave endfed wire antenna tuner that works 12 thru 40 meters with a halfwave wire for the band of interest attached

End Fed Half Wave Antenna for 6 / 40 Meter - 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.

40m EFHW Antenna - End-Fed 40 meter half wave antenna

A multi-band HF loop antenna - The multi band HF loop antenna, a good performer on 80 and 40-10 meters.

Inverted L Antenna by VK1OD - This article describes a simple Inverted L antenna for the HF bands designed to work on 80m, 40m, 30m and 20m

Super Gain NVIS antenna - A 40 meter NVIS beam antenna by W4NVK

K0WA 40 meter verticle - The antenna is comprised of three lengths of 12 foot aluminum which telescope together.

W8HDU 40m Vertical design - Design of a 40 meter Vertical antenna

Inverted L Antennas for low bands - 160 to 40 meters inverted L antennas projects

H40FN - H4ØFN DX-Expedition will take place December 22nd, 2012 January 07th, 2013

H44G H40T - Solomon Islands H44G/ Temotu Islands H40T - March 2013 by DL7DF

QSL Heritage - Presented is a collection of my grandfather, Les Miles's short-wave listening QSL cards from the late 1930s to early 1940's

Cushcraft A3S/A743 Performance - Cushcraft A3S performances with the A743 kit to add 30 and 40 meters

Cushcraft A3S - A743 - About the Cushcraft A3S with A743 add-on for 30 an 40 meters

Cushcraft MA5B Mini Beam Reviews - eHam reviews on Cushcraft MA5B Mini Beam antenna

Radio Shack Pro-97 Support - Radio Shack Pro-97 Handheld Scanner Troubleshooting and Support

PETH-40-HAM - +/- 15 V, 1.5 A power supply project

Circuit Improvements for the TS-440S - Some improvements for the Kenwood TS-440S, including distortion level in SSB in transmitted signals, Lack of crispness in the RX audio and Limited transmit frequency coverage.