40 dipole

80 meters wire antenna  ^pop - A reduced-size 80-meter antenna designed for small lots, portable use, and a fine companion for QRP

80Mt rotating Quad - 2el 40Ft front to back spacing 80 meters Quad antenna

Half-sloper antenna for 40-80 - K9CZB QST article about sloper antenna project for 40 and 80 meters band

Radiophile.com - Wood and plastic broadcast radios from the 1930s and 1940s, lovingly described and profusely illustrated.

UN DX Contest 2010 - The Kazakhstan Federation of Radio sport and Radio amateur (KFRR) and Ministry of Tourism and Sport of the Republic of Kazakhstan are announcing the First UN DX CONTEST All world-wide radio amateurs having the amateur radio licence are invited to participation. Contest period: 12.00 UTC 22 May – 12.00 UTC 23 May 2010 Bands: 160m, 80m, 40m, 20m, 15m, 10m. Modes: CW and SSB

U.S.S. HISSEM Ham Radio Club - Amateur Radio Club of the Destroyer Escort U.S.S. Hissem DE/DER-400

3905 Century Club - The 3905 Century Club operates WAS and DX nets on 20,40,80,and 160 using SSB, CW, RTTY, and PSK modes.

1721 Hf Roundtable Group On 40 Meters! Priority listing - The 1721 HF Roundtable Group meets nightly on 7.261 + - QRM. Just a big ham radio family. Informal QSO'S in a rountable fashion.

WebSDR in USA W4MQ  ^pop - Internet Remote Base WebSDR radio receive from Reston, Virginia with remote control cover 160 40 and 20 meters band

Valcom Fibreglass Whip Antennas - Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.

NI4L Dipoles Priority listing - Custom resonant dipoles

Fractal Antenna Systems - Solution to your OEM needs and can meet your design or vended antenna requirements for antennas from 400MHz to 10 GHz.

W3FF Antennas Buddipole - The Buddipole is a hi-tech, take-apart dipole designed for HF portable operations. The antenna uses a multi-band adjustable coil for all bands 40m - 2m.

408 MHz Survey - Survey of galactic synchrotron radiation at 408 MHz in the south of England using a 10 metre dish and a Dicke radiometer

TCM3105 - Updated modem construction info for BAYCOM pgm

9H1LO Stanley - Satellites and Oscar 40, Microwave and ATV

Listening In - A monthly publication of the Ontario DX Association - available in print, tape and email versions.

Cb City - Authorized dealer for ranger magnum wilson francis k40 antennas wilson cell antennas ect.

WinDipole - Dipole calculations program for Win by N4PVU

Mac Antenna Master - Dipole, Yagi, Vertical, Cubic quad, Log periodic, J-pole, coil, and transmission line design package for the Macintosh

MRP40 Morse Decoder  ^pop - Program to receive morse code via sound card, Windows 9x/Me/XP, it allows to transmit morse code from the keyboard. Includes a comfortable Audio Analyzer Display. Successor of known MRP37

Ezp140 - Easy Packet Radio program for TAPR-style TNCs

Trident TR-4000 - Program for PC control of the Trident TR-4000 / Camnis HSC-150 handheld radio scanner

7 MHz SSB Transceiver  ^pop - Circuit diagram and discription of 7 MHz Ham Radio SSB Transceiver. Transceiver using two MC1496, 4.43 MHz Ladder filter, LM386, LM324 and IRF840 in final.

IK3OIL Ham radio homebrewing - A site devoted to Amateur Radio Homebrewing, CW-decoder, CW QRP Transceiver for the 40 & 20 meters band, CMOS reader