2.4 ghz anteena cover

ZZ Wave net antenna - Setting up a ZZ Wave antenna, a dual band loop antenna covering 80 and 40 meters.

The 80-40-20-10 meter fan-dipole project - Homebrew a 4 bands parallel fan dipole covering 80,40,20 and 10 meter by VE2XIP

4 band Broadband Hex-beam Antenna - Exagonal Beam antenna cover 20-17-15-10 meters By KE4NU

Multi-Band OCF-dipole Antenna - An Off-center-feed antenna that covers 80, 40, 20, 17, 15, 12, 10, and 6 meters by NC4FB

Z-Match Antenna Tuner project - This Z-Match is a link coupled all-band tuner. Two all band tank circuits cover 3-14mhz and 14-30mhz. The tank output links are selected with a very heavy duty SPDT rotary switch.

Vertical Antenna for 20 15 10 meters - A small, multiband vertical which cover 20, 15, 10 meter amateur radio bands. This easy to build ham radio antenna could serve as an emergency or field day antenna.

Contesting Hints and Tips - Article cover hints and tips on ham radio or amateur radio contesting and contests

VKCL - Contest Log - VK Contest Log (VKCL) is a free contest log software specialising in Australasian contests but also covering some international ones too

Listen to National Hurricane Center Skywarn Nets - Live audio of the National Hurricane Center’s Skywarn Nets. This live feed covers several different states, and locations throughout the US including: TX, LA, MS, AL, FL, GA, SC, NC, VA, MD, DE, PA, NJ, NY, CT, RI, MA, VT, and ME

Vintage QSL Collection - This website was originally inspired by the discovery of a number of QSL (radio reception report) cards dating from the 1920s and is intended to make images of the cards available to as many people as possible.

Kenwood TS-450S - The Kenwood TS-450S is a formidable transceiver covering 160 through 10 meters including the WARC bands with 100 watts input

Utility DXers Forum - UDXF covers utility radio on HF

Frankenstein. Heavy duty single 3-500Z Amplifier - This project will be a single 3-500Z with a twist. This amp will run about 3600 volts on the anode which should allow for a full kilowatt with about 50 watts of drive. This amp cover 20,40,80 160 meters

811 Linear Amplifier project - A lower power desktop linear with integrated 120vac power supply. This, very compact, dual 811 version will deliver about 300 watts output. Covers all bands including WARC bands.

Inside Compact Fluorescent Lights - Discover the huge amount of components inside Compact Fluorescent Lights

Circuit Improvements for the TS-440S - Some improvements for the Kenwood TS-440S, including distortion level in SSB in transmitted signals, Lack of crispness in the RX audio and Limited transmit frequency coverage.

Airband receiver - Described here is an airband receiver with good performance, double conversion AM superhet which gives good selectivity and sensitivity and covers 110MHz to 136MHz

Grip Dip Oscillator - Originally eveloped by I1FLC, uses seven plug in coils covering 3.0 to 30Mhz in a Colpitts oscillator circuit.