dl7km 70cm quad

2 element Quad antenna  ^{updated  pop} - Detailed instructions about a 2 elem. quad antenna for 10,12 and 15 meters band, by iz7ath, Talino

Quadrafilar Helix Antenna - Quadrafilar Helix antenna for 137 Mhz

Quad calculator  ^{updated  pop} - Cubical quad antenna calculator in java script

T-Hunting Antennas  ^pop - 4 Element Cubical Quad, Yagis, LZA Circular Quad, Shrunken Quad , quarter wave, J-Pole, beam mounting , changing polarity

Cubical Quad Antenna Design  ^pop - By N6VNG, can be used to determine the element lengths and the gamma match values for different frequencies, includes link to excel files with formulas to dimension your quad antenna.

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

EI7BA's Amateur Radio Pages  ^updated - Multi Band Quad,Cushcraft R5, R7, R7000, repair and maintenance, Remote Antenna Switching, Hexagonal Beam, Automatic Band Decoder, Low Band Verticals, Crank-up Tiltover Tower etc

VHF/UHF Long Yagi Workshop  ^pop - Yagi plans and notes for 6m, 2m, 70cm and 23cm

Folded Dipole  ^pop - All about folded dipoles, a variation of the dipole is an antenna called a folded dipole. It radiates like a dipole but sort of looks like a squashed quad.

432 Mhz and above newsletters - EME DX Eperiences and dx news by K2UYH (W6/PA0ZN)

Essex Repeater Group - These pages provide the Latest News and information on ERG, the voice repeaters GB3DA (2m), GB3ER (70cm), GB7ZP (70cm D-Star), GB3DB (6m), and the 10GHz microwave beacon GB3CMS.

IZ8DWG Onofrio - Includes Amplifier, antenna tuner, quad, yagi, rotators project in italian

E-Z-O Antennas - A new beem antenna design improvement over the cubical quad

Giovannini Elettromeccanica - Quad, Yagi for low bands. Specialist in antennas, supports and moving of medium-large sized radio antennas, professional rotators, masts, towers, and accessories.

T.G.M. Communications - MQ-1 four band HF beams 20,15,10,6 meters MQ-2 six band HF beams 20,17,15,12,10,6 meters, beam antennas and Hybrid Quad antennas

Max-Gain Systems, Inc. - Fiberglass for the antenna builder, Antenna Mart quads, Bandmaster quads, transmitting components, vacuum capacitors and relays, tower accessories, gin poles, remote RF coax switches, rotating side mounts, quad spreaders, quad parts, bristol wrenches, doorknob capacitors, transmitting electron tubes, and much more!

CUBEX - Quad Antennas by CUBEX, Cubex currently offers Cubical Quad antennas for 2 meters through 40 meters.

GB Antennas and towers - HF VHF/UHF yagi and quad antennas, towers and headphones manufactured in holland

Titanex  ^pop - Low weight Titanium Verticals, Log-Periodics, Yagi antennas, Quads, towers and antenna accessories by Titanex

Yaesu FT-817 discussion group - Members discuss the operation of and modifications to this outstanding QRP rig that covers 160m 70cm with all modes. Site contains a large database of FT-817 FAQs and data files. Antennas, tuners, and power sources are also covered as related to this ultra-compact transceiver.

A UA1OMS QSLprint service - Our company provides quality QSL printing service for affordable prices

HCJB World Radio - HCJB World Radio - Quito, Ecquador.

Antenna Maker  ^{updated  pop} - Antenna design program for Quads, Yagis, Inverted Vees, J-poles, Trap Dipoles and more.

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

Mode J Desense Filter - This type of filter can be used in a Mode J satellite station (uplink on 2m, downlink on 70cm) to reduce the problem of the uplink signal desensing the receiver