project kits

40 meter shortened dipole - M0MCX - Interesting little project with a couple of loading coils by M0MCX

80 meter frame antenna - This projects was developed as a result of experiments to become QRV on 80 meters, again, using the little balcony by SM0VPO

PY8ELO Dipole project - A spanish page about inverted V dipole construction tips and calculations.

Band Filters - Experience of band filters, for a contest multi operator enviroenment

Copper Cactus J-pole VHF antenna - Copper cactus dual-band super J-pole antenna project for 2 meters and 70 cm

Receiving antenna for low bands  ^pop - K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter

Rhombic antennas - Rhombic antenna experiments by Jelmer PA5R

KO4BB's Tower Building Project - Picture and description of a home made antenna tower

Crystal Receiver World - Crystal receivers, construction projects and plans, old-time crystal sets, hints, crystal receiver store.

Gateway Electronics - Amateur radio kits, cw keyers, vhf mini receivers, 2 meter preamplifier and more audio related kits, based in St. louis, Mo and San diego, ca USA

Kits and Parts dot Com - Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists

APRS Argentina - First APRS site in spanish, with maps, documentation, software and projects for APRS. All in spanish castellano

Lego Paddle - Lego MindStorms Iambic Keyer and Paddle Project by N9SSA

FlexNet - FlexNet Group in Darmstadt, Germany, group of people who spend their time in developing software for Amateur Packet-Radio purposes. The main project presently is the PC/FlexNet package written by Gunter Jost, DK7WJ.

Ideas and Projects for QRP - The free pdf book is a compilation of articles congenial to QRP published on 2003- 2005 years at free e- magazine AntenTop. 17 Mb pdf file.

Crystal Radio Supply - Offering Crystal Radios, Kits, Parts, and Supplies for the Radio enthusiast. Your source for free powered radios.

Alpha Amplifier Upgrades - Alpha 77D,DX,SX, Alpha 76, Alpha 78 and 374 repair service and upgrade kits

Pizza - This program allows both great-circle (polar) and rectangular projections of the world. The great-circle map is centered on any specified latitude and longitude (the "home" location). The rectangular projection is shown with the home longitude in the middle of the screen.

BCmap - This program shows a polar-projection map of the northern part of Region 2 (Western hemisphere) with the patterns of all AM radio stations in Canada, the United States, Mexico and Cuba, on a specified frequency, with the map centered on a user-specified "home" location.

EggsHam - EggsHam is a PalmOS application that generates (and grades) _practice_ amateur radio licensing exams. It is for people interested in obtaining an amateur radio license in the US, who want to practice for the Technician, General, or Extra written exam.

4-1000A Project HF Amplifier - An 80-10 meter band switchable HF amp using a 4-1000A

A 20m monoband Power Amp - The 20m monoband 4-1000 amplifier, by Jelmer (pa5r), Herman (pa0ten) and Frans (pa5ca)

Digital QRP SWR & Power meter - A KD1JV Melt solder kit, a swr and power meter operating from 160 to 6 meters ideal for portable and field use

CAT & audio interface - Schematics and plans to build a custom CAT and audio pc interface

HF to 2 meters transverter - F5RDH project of a transverter, that can receive input in HF and convert output to 144 Mhz in french