vertical 40m

Balloon Antennas - Launching a balloon or kite supported tall vertical or protracted inverted L.

Shoddytenna: vertical antenna for 160 meters - A quick vertical for 160 meters portable use

Invisible DX antenna for the low bands - Article by DK5WL describes a multi-band DX antenna for the 160m-40m amateur radio bands with low visibility but great performance for long distance communication.

Dual Band 40m/17m dipole - A center feed dual band dipole for 40 and 17 meters by W5DXP

OH2FFY - Car Antenna Priority listing - Low cost build up of a 20 meter vertical for stationary mobile use that performs exceptionally well.

Vertical moxon for 14 Mhz - A vertical Moxon with different feeding for the 20 meters by SM0DTK

Vertical Moxon for 40 meters - A vertical half-moxon for the 7 Mhz by F6IRF

80 Meter Pizza Pan Antenna - This is a resonant, half-wave, vertical antenna. It takes up little space in the back yard, was designed for operation on a single frequency 80 meter PSK net, and is reasonably inexpensive to construct by Chuck Hines, K6QKL

4Z5NY Antenn calculators - The formulas for a dipole and vertical, j-pole, double square, Yagi and EH antenna calculators

Another vertical antenna for 30, 40 and 80 meters - This article is to describe a multi band DX-dedicated antenna offering a minimum of compromises (such as lossy traps), for the hams not having any high-support

Weatherproof Vertical Antennas - Slim Jim - How to make a Weatherproof Vertically Polarised Omnidirectional Aerial, The Slim Jim Antenna

Radiation Characteristics - Tailoring Patterns for HF Verticals

Groundplane Antennas at Various Heights - Mounting on Roof or at Ground Level?

G8JNJ Broadband HF Vertical Antenna - G8JNJ Broadband HF Vertical Antenna - Requires no tuner - great results from 40m to 10m plus 80m & 6m with reduced performance

Orginal multiband antenna - A project of a vertical and wires that generate a multiband antenna for 28 14 10 and 7 Mhz in french

Butternut HF9V Project - WB3AAL setup project of the popular HF9V vertical antenna with report on tuning it on ham radio HF bands

ZS1J/B - 28.2025 MHz. 5 Watts output to a half wave, end fed, vertical antenna.

VA3GRR - Radio Beacon - VA3GRR is a radio beacon, operating on the 10 meter amateur band. Its frequency is 28.205.5 MHz. It runs just under 5 watts of power into a vertical half-wave ringo style antenna

W5RTX Beacon - 10 Meter Beacon on 28.259 mhz. 15 W into 1/2 wave vertical.

WebSDR on 20m, 40m and 80m  ^pop - On this page you can listen to and control a short-wave receiver located at the amateur radio club ETGD at the University of Twente. In contrast to other web-controlled receivers, this receiver can be tuned by multiple users simultaneously, thanks to the use of Software-Defined Radio

Antennae Depot - HF Yagi and Vertical antennas for Amateur Radio. Full line of mono-band HF antennas (40, 20, 15, 10 m) high-efficient yagi beams from Russia

Sandpiper Aerial Technology LTD - Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles

DK9SQ Antennen - Walter Spieth Antennen offer, Duoband-Portable-Log. Periodic 2m/70cm, Vertical-Loop-Antenna,10-40 Meter and PortableW3DZZ-Antenna as well as fiberglass tubes

Operating NVIS - Near Vertical Incidence Sky Wave (NVIS) Propagation, PPT presentation by Marc C. Tarplee, Ph.D. N4UFP

Near Vertical Incidence Skywave - NVIS definition at Wikipedia