qrp kits

Homebase10 Antenna for 28MHz - The Homebase10 is a simple to make wire halo antenna for 10m (28MHz) built using parts available from the local DIY store.The resulting antenna is very effective on 10m despite its small size and light weight.

Slink-ette antenna - A Slinky-based doublet or loaded vertical QRP antenna tested for 40 meters band by N2CX and N2EI

VE9QRP Blog - Projects in ham radio, programming, and robotics. Specializing in amateur satellite operations.

NORTEX QRP CLUB - North Texas QRP Club

N0EQ - QRP Portable, Working the World - Desert remote portable QRP operations - n0eq Craig Lumpy Lemke

PowAbeam Antennas - PowAbeam Antennas Yagi beam VHF antenna kits

TiniCAT - Yaesu Icom Kenwood Ten-Tec CAT Interfaces Kits by N5ZTW

Wilderness Radio - Source for kits aimed specifically at the outdoor QRP enthusiast.

QROlle, 6 Band QRP-rig - QROlle QRP-rig. 6 Band Shortwave rig with SMD:s. 160, 80, 40, 30, 20, 17 meters SSB/CW QRP-rig. All documentation in English

An Urban Desert Portable QRP Station - Urban desert ham radio ops, amateur radio station n0eq

Modifications for the Kenwood TS-50 - Collection of TS-50 mods, LCD display dark, TS50<-->AT50 communication, TS-50 Power Mod for QRP, TX Coverage mod TS-50, CAT control for TS-50S

TS-50 power mod - Kenwood TS-50 power mod for QRP by WA6ERB

GAP Antenna Overview - Comments received from QRP-L members concerning their experiences with GAP antennas.

Low Pass Audio Filter - 440 Hertz peaked low pass audio filter experiments

Electronic calculator - Some simple electronics calculator in javascript

Bandpass and I.F. Filters - On this page a popcorn highpass filter, some inductors and their Q , double tuned bandpass filters and simple Cohn Crystal ladder IF filters are presented.

Universal frequency counter & voltage meter - to be used with QRP transceivers

SSB 75 Meter Transceiver - QRP transceiver for 75 meters band by WA7JHZ

LY3LP laboratory - QRP DIY and more

QRP Wattmeter - G4FON homebrewed QRP Wattmeter

Five by Twenty - A 5 tubes SSB QRP transceiver for 20m ham radio band

A 40 meter SSB QRP transceiver - This transceiver was conceived as a power-efficient, small, lighweight unit to be carried in the backpack, along with antenna and battery.

Build a Tuna-Tin 2 - Original Tuna-Tin 2 QRP CW transceiver article by W1CER

DSB/CW QRP rig for 20 and 40 mt. - An experimental DSB/CW QRP rig for 20 and 40 meter bands

NB6M 10 Homebrew Receiver and Keying - Schematic of a homebrew receiver and keying