49 meter

Multiband Cubical Quads - EI7BA Multiband Cubical Quads projects, includes two elements quad antennas for 10 12 15 17 20 meters band. Performance considerations, detailed pictures and construction notes.

J-Vertical for 10 meters - A Slim Jim for 10 meters band

Quad antenna for 10 and 15 Meters - Building guide for a two element quad antenna planned for 28 and 21 Megahertz

W6ZO Delta Loop - W6ZO Portable Delta Loop for 20 meters

J-Pole Antenna for your Packet Radio Station - Yo5ofh j-pole antenna plans for 2 and 6 meters

6 Meter 3 Element Quad - Starting from an original project for a 2 element quad antenna for six meter band, ve7ca presents the dimensions for a 3 element version.

80 meter loop antenna - PA1G loop antenna for 80 meters band, in dutch

W1CG Low Power Balun Kit - Contruction manual to build a 4:1 balun, it has good performance from 160 through 10 meters.

20m QRP Dipole - Instructions to build a portable dipole for 20 meters

HF Mobile Antenna HB9ABX - Most efficient hf mobile antenna, This mobile antenna is designed for all HF bands from 10 to 80 meters an proved to be very efficient in my travels in South America on 15 and 20m for contacts to Europe and within South America.

HF portable antenna - 40 to 6 meters  ^pop - Phil Salas AD5X 40 through 6 meter HF portable multiband antenna, construction article, plans, and photos

Windom off center fed antenna 80-10 mt - This antenna is not a true Windom, but rather an off center fed or OCF dipole works on 8 bands from 80 to 10 meters

6 meters Quagi - A six meters band Quagi antenna project

A Modern Thermocouple Ammeter - Thermocouple ammeters are very rare these days, but the job they were perfect for - measuring antenna currents - is still a modern requirement especially in respect to groundplane currents. By David A. Reid PA3HBB G0BZF

QRP 20m Antenna Tuner Unit - A QRP antenna tuner for 20 meters band

Link Coupled Tuner - Legal Limit Link Coupled Balanced Tuner,for the amateur ham radio HF bands. This Tuner uses plug-in Coils sets for 40, 80, & 160 meters

SAT-Service Schneider - Digital radio mondiale DRM products, measuring tools, Magnetic field probes, RF power meters, Broadband loop antennas, DRM devices and services

A & A Engineering - Smart Battery Chargers, WeatherFAX, Color SSTV,GPS-Based Frequency Standard, Power/SWR Meter, , Digital Frequency Synthesizers

Nissei - VU Meter, Analog Meters, Panel Meter,Multi-Meter, SWR meter, power supply, power meters

Alpha Linear Amplifiers  ^pop - RF Concepts manufacturer of Alpha Linear Amplifiers, amateur radio RF power amplifiers, commercial power amplifiers, power meters and dummy loads.

Succesfull 6m EME DX pedition - Pictures and story of a successfull dx pedition in 6 meters EME operation

FT-857D Faqs - Are the 60-meter channels in my FT-857D off frequency?

Logger32 for 11m - Logger32 special version dedicated to eleven meters band operations

A CW TX for 80 meters band - This simple circuit will give about 1.2 Watts of output when powered from a 13.8VDC supply.

Prototype SWR meter for 2.45Ghz - Testing antenna's is a lot easier if you have a good swr meter this is a prototype of a design by g7eyt.