watt metre

Vk5BR 20-40 Metre EH Antenna - VK5BR article on home brewing your own EH Antenna for 40 meters band

7el 50MHz 9.7mtr LFA Yagi Priority listing - A 7element 9.7 metre long 6M LFA Yagi. flat SWR with no match required. Supper pattern, Gain and F/B

6 elements LFA antenna for 6 meters - A high-gain 6 element LFA Yagi with a 7.3 metre boom for 50MHz

G4FON Magnetic Loop Antenna - A simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres, but by changing the overall length of the wire coverage of other bands is feasible

Dual Band Quad Antenna - 4elements 50Mhz and 70Mhz dual band OWA Quad Antenna with a 2.7 metre length boom by G0KSC

12el 50MHz Low Noise LFA Yagi - A 22 metre long 50 Ohm Monster 6M 12 element Yagi. Super gain, Flat SWR, excellent F/B 50 mhz antenna.

Telepost - Digital Vector Wattmeters, Dummy loads, software defined panadapter systems, SteppIR Tuning Relay, Digital SWR meters, LP-Pan Pan Adapter IQ Decoder for SDR based panadapter system

JT6M.org - The purpose of this web site is to promote JT6M as a mode of communication on both 6M and 4M band and guide users through setting up and using JT6M effectively. Optimised for 6 metre band Meteor Scatter, JT6M allows you to make meteor scatter contacts easily. JT6M is part of the WSJT suite of digital weak signal software applications developed by Joe Taylor, K1JT

A Portable Station for 30 Metres - A small rig that you can take hiking and on business trips.

Homebrew 700 Watt Wind turbine - Home made a wind turbine for your portable operations

Homebrew solar panel - Homebrew Solar Panel 60Watts. Building a homemade solar panel from solar cells that would have otherwise been thrown out.

7 Watt HF Amplifier - An RF power amplifier, providing 7 Watts output in HF bands, schematic by ON6MU

20 W linear amplifer for 2 meters band - A basic VHF power amplifier suitable for 2M (144-146 Mhz) the output power vary from 3 to 25 Watts By VU2RAR

Simple beacon construction notes - Here is a simple, self-contained beacon which can run a few milliwatts or as much as a watt depending on choice of amplifier and supply voltage.

K7NWS 10 Meter Beacon Project - The K7NWS beacon is an entirely homebrew affair. The transmitter outputs approximately 1 watt at 28.265 MHz.

50Mhz Beacon project - 30 Watt 50 MHz ham radio beacon de N6CA

6L6 Transmitter - 40 meters band 5 watts transmitter, uses a 6L6 with a 6X5 rectifier and a 0D3 voltage regulator tube on the screen.

QRP Wattmeter - G4FON homebrewed QRP Wattmeter

G3TXQ Milliwatt meter - Meter capable of accurately measuring low levels of RF power

OZ2CPU digital wattmeter - Plans and hex code for an RF wattmeter based on an Analog Devices AD8307 log amplifier.

Digital Wattmeter - 300nW to 30W - The digital wattmeter project was created for the purpose of measuring power in the range of 300nw to 30w.

Automatic 1.8 – 60 MHz SWR/WATTmeter - A PIC16F876 based, automatic 1.8 – 60 MHz SWR/WATTmeter A project from Il Club Autocostruttori of the Padova ARI club Italy

DL4MEA Wattmeter - The DL4MEA Power Meter

The Rock-Mite CW Kit - The Rock-Mite is a 40m CW kit offered by Small Wonder Labs . It features built-in keyer, direct conversion receiver with a crystal RF bandpass filter, 500 milliwatts of power, and switchable frequency offsets to work around QRM

Homebrew 30m CW Transceiver - 10.100 - 10.140 MHz 3 Watts output by 7n3wvm