qrp receiver

An active antenna - Project for QRP operations by George Dobbs G3RJV

QRP Balun - Pictures and assembling instructions of a simple qrp balun

Random wire Unun - Get all band coverage with a single wire and the icom 703

Low Power 4:1 Balun - Build a Low Power 4:1 Balun , by Charles Greene, W1CG with full-color, full-resolution graphics from the pages of QRP Homebrewer

QRP Antenna 80-40-20-15 End Fed Antenna - A long wire antenna that will load up on 80, 40, 20 & 15 meters without an antenna tuner and without balun coils

Switched inductor L match tuner - A 10 to 80 meters band qrp antenna tuner by KC8AON, based on Steve Weber, KD1JV "ALT or Altoids L Tuner"

A Mini T match - KC8AON mini antenna tuner that tunes almost any antenna you connect to

A Z match tuner for HF bands - This small tuner by KC8AON has only 2 controls and will tune almost anything from 10 to 80

OK0EF QRP Beacon - 10134 kHz beacon power is 500 mW Male Pritocno village, locator JO70BC.

OK0EU QRP Beacon - OK0EU is short-wave QRP beacon set up by the OK QRP Club and supported by the Institute of Atmospheric Physics of the Academy of Sciences of the Czech Republic (UFA).

Associazione Radioamatoriale Sardinia QRP Club - First QRP Club in Sardinia Island (IS-QRP). Special Callsign IQ0QP

GlobalTuners - GlobalTuners provides access to remotely controlled radio receivers over the internet. You can listen to ham radio, shortwave radio, air traffic control, airband, ACARS, airports and much more. Tune remotely controlled receivers from all over the world with your browser and listen live.

QRP sound files - A sound file collection of QRP contacts by AE5X

QRPproject - QRP and Homebrew HAM Radio by DL2FI and DL7NIK QRP Made in Germany and more QRP Kits, qrp transceivers, accessories, mini keyers dealer for antennas, atu and more accessories

Juma kits - Ham radio kits, HF receivers,ssb and cw transceivers, morse keyers and linear amplifiers.

Portable QRP operations - An interesting article with some QRP equipment review, about portable operations based on W2LJ experience.

AE5X QRP operations - A nice resource from AE5X John a QRP opertator

IN3KLQ/B - 10m QRSS QRPp Beacon station from Trento Italy

Shortwave Converter - This is a simple circuit that when placed near an ordinary AM broadcast radio will allow you to receive international shortwave broadcasts in the 5-6 MHz band

Omni-Rig - A COM component for transceiver/receiver CAT control. Not a complete program, but rather a component tool that allow software developers to connect their program to a supported transceiver.

PA3FWM's software defined radio page - Experimenting with the new way of building a radio receiver known as "software-defined radio". This page gives some information about this project.

Batteries and QRP - Thanks to the popularity of cell phones, laptops and other personal electronic devices, the battery industry has been market-driven to produce higher capacity batteries in lighter weights than previously possible with yesterday's chemistries.As a result, a wide variety of battery types are available to the outdoor QRP operator.

Ohm's Law for Dummy Loads - If you need a dummy load and don't want to spend money for it, you should read this article

NorCal 20 Modifications - by Larry East, W1HUE June 1999

40 Meters QRP AM/CW transmitter - VU2VWN project to homebrew a CW for 40 meters band