80m band plan

The TTFD-2 antenna - The lowest-cost approach for home brewing broadband, general-purpose antenna for shortwaves

Dualband-Beam 12/17 m - The beam has only one feedpoint with 50 Ohm and has an open-sleeve element for 12 m by DK7ZB

PV6 Yagi antenna - 6 elements yagi beam for 15 meters band, by T73M

2 meter Quagi 97  ^pop - Dimensions and plan to build a W5UN EME quagi antenna

A 146 Mhz J-Pole Antenna  ^pop - A 2 meter (146 Mhz) J-Pole antenna that is inexpensive, and easy to build.

Loop Antenna for 6m  ^pop - Indoor loop antenna for six meters band, project by Colen Harlow, G8BTK

AM Antennas  ^pop - The ultimate AM loop antenna article. It is the only article that includes the calculations and detailed plans

RockLoop Antenna  ^pop - A Compact antenna for 10.1, 14 & 21 Mhz Bands. A multiband portable antenna suitable for QRP operations.

CB Quad antenna  ^pop - A low-cost and easy to build Quad antenna tuned for CB band on 27 Mhz.

Joby's Rhombic Ranch - Rhombic antennas plans

1270Mhz Yagi Antenna - Build your own antenna for the 23cm band ( 1250Mhz - 1280Mc ) using some aluminium and this simple design.

Mailbox DBO274 - Citizen Band mailbox DBO274 in Germany with HTTP/telnet-access

Top Ten Devices - Automatic band decoder, six way antenna relay, band reject coaxial stubs and more

The Mud Duck SiteRing - A SiteRing for CB/Freeband/Ham radio operators.

Spi-Ro Manufacturing Inc - Transmitting & receiving multi-band antennas covering 1.8 thru 55 Mhz.

Wellbrook Communications - Broadband active loop antennas for radio amateurs and hobbyists

W2IHY Audio Products - Band audio equalizer and noise gate compatiable with ICOM, KENWOOD, YAESU and other radios

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

Hellschreiber beacon project - This web site describes a low power beacon system to be used for propagation and performance tests on the lower bands. The beacon offers CW (on-off keyed) modes and FSK modes; the traditional Morse ID mode, and Feld-Hell, another highly noise immune CW mode.

PSK31 explained - PSK31 bandwidth explained and related links by w5bbr

Mistery of LDE explained - The Five Most Likely Explanations for Long Delayed Echoes

BBA-C1 Amplifier Card - This versatile broadband amplifier is used in several DX Lab projects.

CBTricks  ^pop - We intend to provide a wide variety of technically oriented infomation aimed at the Citizens Band, Amateur, and FRS Bands

Frequency and VFO - How to keep from being out of band

High-speed packet 23cm - 23 cm wide-band transceiver for high-speed data or audio by PE1JPD