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Transverter for 70MHz, a project by G3XBM

Free QRP logging software by WB2QAP

Pixie-2 schematic and part lists

This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.

NorCal, a group of some 2,000+ QRP enthusiasts started in Northern California in 1993.

A simple 40 meter CW transmitter, it sports full break-in operation and 250 mW of output power.

Information on contesting with CW and QRP

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

Putting up wire antennas is always a fun proposition. Sometimes it is fun for the participants and often fun for on-lookers. There are at least as many methods as there are folks putting up antennas.

The Z Match is really a basic L Match consisting of a series capcitor and variable shunt inductor, coupled to the antenna using the RF transformer action.

Amateur Radio (G3TXQ) - Malta 40 QRP CW Transceiver

Official homepage of the Ukrainian radio amateur UR-QRP Club

Short basic informations on QRP

To save a little time from calculating and experime nting when winding toroid cores here a chart of the most commonly used cores

QRP and Electronic Kits manufacturer

K2 logging system by WB2QAP, logs ARCI sponsored contests and others with same point system

Ideal antenna for QRP work, as it has more gain over dipole.

AA7EE QRP DSB transceiver homebrew project

Where to operate QRP

Ham radio resources about qrp, dx, logging, contesting, includes lots of links to FT817 resources on the web

The little QRP presented in this article may be built in a gradual manner, it is divided in two main modules (plus VFO), you may also complete only a single part (RX or TX module).

Small, but growing, group of amateur radio enthusiasts, most of whom are within 90 miles of Atlanta, are interested in promoting the development of the branch of amateur radio known as QRP - building and operating low power transmitters, receivers and transceivers.

QRP Station in a Bag is a complete QRP station in an old laptop PC carrying case (photo). It is a true "Work in Progress" in that wd8rif is constantly changing the contents of the bag as learn what works and what doesn't.

The two linear amplifiers are ment for use with QRP SSB/CW/FM/AM transmitters on the amateur bands 15 and 17 meters can be powered from a 12 volt DC supply by ON6MU

QRP DIY and more

A perfect companion for your Elecraft K1 or any other (not power hungry...) QRP rig

Some rules of thumb for beginners, with a QRP approach, by James R. Duffey KK6MC/5

A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP

Paddles made from readily available materials, like double sided PC board material and cost almost nothing to build.

ST2NH blog - first ham blog from africa fatures QRP,Homebrew,news,links

WQ2RP New Jersey QRP club

Small and inexpensive homebrew HF radio 5W Output, CW SSB AM FM, DSP, Speech Processor, Sprectrum Scope, Watefall Display. mcHF is a small, home-brewed amateur radio project. Firmware is released as open source.

Practical and usable direct conversion receiver for the 40 m CW band

Operate 160 and 80 meters in portable with this small antenna by K0EMT

A QRP transceiver for 80 meters band by W1FB

Packet Radio, dx news, QRP, awards and software from slovack radio club

Original Tuna-Tin 2 QRP CW transceiver article by W1CER

20 Watt Power Amp for Softrock or for QRP transceivers by M0RZF

10 Meter Beacon, 28.288 mhz Hurricane Uta USA

Notes on W3EDP Antenna by M1KTA

Open-Wire/Twinlead Antenna Switch

This small, light weight digital SWR and power meter uses an Atmel AVR Butterfly demo board and a Stockton type directional coupler.

A Slinky-based doublet or loaded vertical QRP antenna tested for 40 meters band

A 40 meter rig with SSB and CW operating modes. This is a low power QRP rig with up to 6 watts CW or PEP output.

Paddles by Jim Nestor WK8G/2

G3XBM's Amateur Radio Page - with QRP, VLF and crystal set links

Maker of QRP Kits, QRP CW receiver and transmitters, audio CW Filters, antenna tuners, dummy loads, and morse code practice oscillator

Optimizing performances of the end-fed antennas QRP quarterly article

QRP and other projects from Honolulu, HI

Crystal-controlled QRP tranceiver by F6BCU for 80 meters band 1W output