ft7900 wide

80M Vertical antenna with capacitance hat  ^pop - Simple wire antenna cheap to make, using readily available materials, Low angle radiation, with rejection of high angle signals Wide bandwidth, with resonance at the 80M DX window (3.790-3.800 MHz); and Maximum height is 40 feet

Biquad Antenna Construction - This page details the construction of a biquad antenna. The biquad antenna is easy to build, and provides a reliable 11dBi gain, with a fairly wide beamwidth.

BiQuad 802.11b Antenna - BiQuad 802.11b Antenna 11dBi, wide band by Trevor Marshall

Harbach Electronics - Your world-wide source for Heathkit, Drake, Collins and Dentron amplifier parts & upgrade kits

World Contest Station Database - Database of over 3000 active hf contest stations worldwide

NCDXF/IARU Beacon Project - The NCDXF, in cooperation with the IARU, constructed and operates a worldwide network of high-frequency radio beacons on 14.100, 18.110, 21.150, 24.930, and 28.200 megaHertz. These beacons help both amateur and commercial high-frequency radio users assess the current condition of the ionosphere

G3kma, iota manager's website - Iota - islands on the air - is an amateur radio programme run by the rsgb (radio society of great britain) to promote contacts with island stations worldwide on the radio amateur frequency bands.

Star Antenna  ^updated - Communication Electronic designs, manufactures and markets antennas for fixed wireless and mobile wireless applications in a wide range of frequency bands.

WiNRADiO Communications - WiNRADiO Communications manufacture radio communications equipment for a very wide range of applications. Our customers include professional communications radio users in government, military, security, surveillance, spectrum monitoring organizations, telecommunications, industry, as well as radio and computer enthusiasts.

Austin Antenna - Austin Antenna employs leading-edge antenna technology in the production of the highest performance antennas currently available. Marine Antenna, Multi-band Mobile, Point-to-Point, Base Station, Wide-band Land Based, LPDA, Linear Omni, Triplexer, Scanner Antennas

CWS ByteMark - CWS ByteMark's Baluns (Balanced to Unbalanced) and Ununs (unbalanced to unbalanced) transformers are developed jointly with Dr. Jerry Sevick, W2FMI, who is known worldwide for his work on transmission line transformers

Comp Cable, Inc. - The Complete Cable Source. - Comp Cable, Inc. consistently meets the complex wire and cable requirements of businesses and government agencies worldwide.

GAO Engineering - Gao engineering offers a wide range of affordable, popular and reliable rfid products, dsp, arm and other microprocessor evm and development boards, ides, universal programmers, emulators, dsp learning systems, micro-network terminals, test and measurement products for engineers.

Genesis Lamp - Sell all types of obstruction lighting. Lighting for your ham radio antenna tower. Genesis Lamp stocks a wide variety of replacement bulbs and specialty replacement light bulbs including: airport lighting and airport light bulbs, incandescent light bulbs and more

Better World-wide Award - Award issued by the Better World-Wide Radio Club

Clover 2000 - CLOVER-2000 is a faster version of CLOVER (about four times faster) that uses eight tone pulses, each of which is 250 Hz wide, spaced at 250-Hz centers, contained within a 2 kHz bandwidth between 500 and 2,500 Hz

446muppets.co.uk Portal - eQSO Gateway on a server for 446mhz ex cb radio operators uk & worldwide

ESA Portal - Calling all radio amateurs Priority listing - Radio amateurs worldwide are being asked to help collect data from the student-built SSETI Express satellite, due to be placed in orbit on 27 September. To encourage them, ESA’s Education department has organised two competitions and is supplying free downloadable software.

Durham Radio - Durham Radio stocks a wide variety of Amateur radio products by ADI, Alinco, Alpha Delta, Ameco, Ameritron, ARRL, Bencher, Comet, Cushcraft, Daiwa, DCI, Galaxy, Heil, HyGain, Icom, Iron Horse, Kenwood, Larsen, Maldol, MFJ, Opek, Palstar, Procomm, Pryme, Ranger, Signal Links, Tigertronics, Valor, Vectronics, Vertex Standard, Workman, Yaesu.

Vacuum Tubes Radio - Vacuum Tubes and Radio Tubes Our specialty. We carry over 5,000 radio and vacuum tubes in stock every day and we ship world wide. Tubes for industry, music, ham radio, the audiophile.

Rebuilt Power Vacuum Tubes - ECONCO has been rebuilding vacuum tubes for more than 30 years. Our commitment to quality, and concern for the environment has won us the acclaim of clients worldwide.

Radio Heritage Foundation - Sharing the stories of Pacific radio, an on-line archive and resource. Includes searchable databases, articles, images, store, newsletter, research, advocacy, publishing, radio heritage documentary production and more. Free membership worldwide.

Alfa Lima International - A free radio station that is transmitting world wide on several shortwave frequency 's with loads of pirate and freeradio information.

Worldwide dx club - A non-political DX organization, founded in 1966. Its aims are to strengthen this fascinating and scientific hobby as well as the international DX movement for better understanding and friendship among nations.

The Software Radio - Software Radio resources, research projects and labs worldwide