dual band antenna

Hybrid Antennas - Antennas that use a combination of vertical and horizontal polarisation.

The Gain of the Axial-Mode Helix Antenna - by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.

LF Receiving Loop - A really simple LF receiving loop antenna

Short Vertical Antennas and Ground Systems  ^pop - This article describes how an effective ground system can be produced for a short vertical antenna.

Projects and Info Center - Antenna projects and info center by KP4AO, including The Optimized Wideband Antenna (OWA) Yagi and Skyhawk, a state-of-the-art trapless tribander

SIERRA PAPA, International Dx & Packet Group - International Organization working for a complete 11 mt. band, Radio Foundation G. Marconi's Memory

Azteca DX Radio Group - The Alpha-Delta group is a group dedicated 100% to DX Oncemetros in the band and can say that is 100% of Mexican origin.

SIERRA PAPA - International Dx & Packet Group - We are an International Organization working for a complete 11 mt. band - Radio Foundation G. Marconi 's Memory

10 meters Beacon list - List of propagation beacons transmitting on 10 meters band maintained on daily basis by Bill Hays WJ5O

IOTA on 11m - A web site for IOTA reference on 11 meter band.

Internet Six news - DX news for six meters band

GeoTool - Pickup truck stake pocket antenna mount by geotool

FR Radio Lab - Magnetic Loop antennas, also availble in parts from japan

Sirtel - Sirtel produces a wide range of radio and telecommunications antennas

Giovannini Elettromeccanica - Quad, Yagi for low bands. Specialist in antennas, supports and moving of medium-large sized radio antennas, professional rotators, masts, towers, and accessories.

Cushcraft  ^pop - Cushcraft Amateur Radio and commercial antennas HF and VHF vertical and yagi antennas owned by MFJ.

C3I Antennas - The finest in VHF/UHF antennas for Amateur and Commercial Applications. Antennas and Repeater Controller Accessories includes Rutland Arrays.

Elecraft - Manufacturer of the K3 & K2 160-10M CW/SSB amateur radio transceiver, K1 transceiver, transverters, Antenna tuners

200 Morse Code QSO`s by Les Johnstone, GM¤SOZ - These are 200 Morse Code QSO`s which might typically be heard on the HF bands.

The Adcock HF RDF Antenna - The Adcock antenna has been used for a long time for RDF. It is basically an interferometer.

Monitoring Times - Monitoring Times, SWL, BCL, montly reports, Broadcast band, satellite television, long-wave coverage, Reviews of new products and radio-related software.

High Sierra Antennas - HF and VHF antennas for cars, trucks, homes, trailers and recreational vehicles

Universal Radio  ^pop - Online Catalog. All about Radio comms, HF VHF Scanner CB radios, antennas and accessories

Antenna Systems & Supplies - Antennas, cables, Grounding Equipment, shelters and towers.

Antenna Visualization  ^updated - UNIX Application developped at the University of Texas Department of the Computer Sciences, permit to display the radiation pattern and the current magnitude.