Search results

A 144 MHz dipole antenna made from coax, PVC pipe, and aluminum foil tape

1/2wave vertical antenna for the 6-meterband and a 5/8 ground plane antenna for 50 Mhz

G8ODE schema to reduce a half-size G5RV to 70 ft.

VE7CA experiments on 160 meters band antennas, looking for better performances on reception.

VU2RAR basic VHF power amplifier suitable for 144-146 Mhz output power can vary from 3 to 25 Watts.

Homebrew a 2 meter 1/4 wave vertical antenna for the 146 mHz ham radio band

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.

Article by Ed Bathgate, N3SDO as published in CQ VHF Magazine July, 1988

A delta loop antenna for 17 meters band include eznec antenna model file

Built around a 1/2" pvc frame, Larry's 6 meter moxon antenna is made from #8 aluminum ground wire

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

Based on the N2PK design, this swr meter use a stockton directional coupler

Thermocouple ammeters are very rare these days, but the job they were perfect for - measuring antenna currents - is still a modern requirement especially in respect to groundplane currents. By David A. Reid PA3HBB G0BZF

W5JGV antenna tuner for 150 - 500 Khz band

A vertical half-moxon for the 7 Mhz by F6IRF

VHF Optimized Yagi Antenna for the 6-meter band (50 Mhz) by ON6MU

A very simple Eh antenna for 11 meter, drawings in english and italian.

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

K6SGH introduce the hamloop antenna L7 series

F5RDH project of a transverter, that can receive input in HF and convert output to 144 Mhz in french

80 meter vertical experiment by Bob Raynor N4JTE

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

By ON4CFC Pascal, describe how to build a Sperrtopf or Sleeve antenna for the 144 Mhz, PDF File by antennex

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

The 75 meter double bazooka antenna for 80 meters band by K9HSS

J-Pole Antenna by K4TAX

A 5/8 vertical groundplane antenna for 50 mhz

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.

A schematic design of the W3DZZ antenna in portugues with description of trap building

Why 6 meter hams design the best antennas

A monoband yagi for 14 MHz a PDF article from 73 amateur radio magazine by AB4GX

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

YF1AR 80 to 40 meter vertical antenna project

A two elements beam antenna tunable from 6 to 20 meters, based on the Maria Maluca antenna project by DB9EX, in german

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

An inverted V antenna for 40-80 with loading coils. This antenna is a full size on 40 and a shortened 80 by KG0ZZ.

A wire yagi antenna model, easy to build, made using inverted vee elements and requiring just one support by ve3vn

An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band

A mobile antenna for the 75 meters band by K0RWU

How to build a beacon keyer for 28 MHz using an old CB Radio transceiver, by Tom Sevart

A quick vertical for 160 meters portable use

Homebrew a 1/4 wave 80 meter vertical using aluminium tubing

Moxons work great, and they take up less space than full size two element Yagis

How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db!

Homebrew project of a dipole for six meters band by KK5ID

Here is an antenna for the nineties. It's strong, computer designed, and has lots of gain. It is a full size, four element beam on 10, and three elements on 15 meters

Homebrewed SWR meters projects by G3TXQ

A basic drawing of a 2 meter quad antenna for 144 MHz

A 40-meter antenna that provides good local and regional coverage during the day and good DX capability at night