dual band antennas

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

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

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

43AX101 Ben Priority listing - Home page of 43AX101- Ben. Practical informative site for 11-meter operators DX-ing the South Pacific, DIY antennas,propagation & monitor updated daily.

SSTV Nets and Frequencies - SSTV ONLY nets on ham radio bands

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

RM Italy  ^{updated  pop} - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more

Mr coily - Base and mobile antennas,custom ball mounts, single, double, triple coil antennas, flat coils.

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

Intek - CB radios, VHF transceivers, scanners antennas and accessories

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

SSTV Frequency list - Where to look on the Bands for SSTV

PSK31 explained - PSK31 bandwidth explained and related links by w5bbr

B&W Antennas instructions - Antennas instructins and installations

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

70cm GS-23b Amplifier - 1500 watts amplifier for 70 cm band using GS23B /4CX1600U SVETLANA by LZ2US

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

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas