40 metre

40 thru 10 Meter Zepp Antenna  ^pop - A modified 20 meter double zepp wire Operating Bands: 40 thru 10 meters (with tuner), basic construction and performance information.

A Practical Antenna for 160 Metres  ^pop - 140 feet of insulated wire, the first half of which (70 feet) is space wound on an insulated tube.

Build this Novice 4 band vertical  ^pop - Home made vertical antenna for 80 40 15 10 meters ARRL PDF file taken from QST June 1978

Optimised Six-Metre Yagi - Design for a 5 element beam on a 23 foot boom with an unusual combination of performance characteristics

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

The Lattin 5 Band antenna  ^pop - The antenna was named for W4JRW who invented it and holds a patent on the basic principle and uses quarter wave stubs, 80, 40, 20, 15 and 10 meter bands

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

80 & 40 Meters vertical antenna  ^pop - May work on 160 meters too, by EI7BA

Vertical wide band 7-21 Mhz  ^pop - The RXO unitenna pdf file a vertical antenna for 40 to 15 meters band

Smithe Windom Six Band HF Windom antenna - HF Windom antenna, cover 80, 40, 20 15, and 10 meters, antenna design by K3MT

160 metre L antenna  ^pop - by Greg Weinfurtner AEE BSS

Short Dipoles  ^pop - Short dipoles and verticals for 160 80 and 40 meters

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.

ARROW - Ann Arbor's Ham Radio Club - ARROW is Ann Arbor's ham radio club. We operate repeaters on 2m, 220, and 440, as well as conduct ham radio classes, license examinations, and a variety of other activities.

i1wqrLinkRadio - Over 4000 ham radio links

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.

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.

EasiLOG - Log For the Radio Amateur on all bands from 180 metres to 24GHz by G0MDO

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

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