dual band antenna

A dual band wire beam for 17 and 12 meters - This wire beam Moxon antenna offers double duty on 17 and 12 meters with one 50 Ω feed line by Allen Baker, KG4JJH

80/160 Dual band vertical - This 80/160 meter antenna is constructed from six 12 foot aluminum tubes to form a slip-up mast antenna some 60 feet high by K0RWU

The flower pot antenna - A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It’s compact, light, economical and doesn’t need any radial.

40-80 Half-Extended Double Zepp Antenna - A dual-bander for 80M and 40m. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole. This article will introduce the Half-Extended Double Zepp (HEDZ) which has characteristics that a lot of amateur radio operators should find quite interesting

F5DQK Vinecon 6N4 - A dual band antenna for 50Mhz and 70Mhz with lots of pictures and diagrams by F5DQK

The YU7EF Duo Band Antenna - The original project of a dual band yagi antenna for 50 and 70 mhz, published on dubus 2/2007 by YU7EF

Dualband EH Antenna - A detailed project of a dual band EH antenna by F5IXU in french

A J-Pole for 2-meters and 70-cm  ^pop - An Easy Dual-Band VHF/UHF Antenna from QST September 1994

Copper Cactus J-pole VHF antenna - Copper cactus dual-band super J-pole antenna project for 2 meters and 70 cm

Copper Cactus J pole 2 metter 70 Cm dualband - Homebrew j-pole 2mt 70 cm antenna project. Make it cheap.

144-430 portable j-pole antenna  ^pop - A portable dual band j-pole antenna

The DBJ-1 VHF-UHF Dual Band J-Pole - Searching for an inexpensive, high performance dual band base antenna for VHF and UHF ? Build a simple antenna that uses a single feed line for less than $10.

Home Brew VHF UHF dual band antenna  ^pop - Contructing precedure and tune up of a dual band mobile antenna. This antenna is just a 1/4 wavelength resonator for both UHF and VHF band. It provides no GAIN as compared to other multi-section design.

NB6Zep Antenna and more - A modified EDZep for 20 meters, Yagi, Zepp Beam, Dual Dipole, Space Restricted 80 meter wires. Operating Bands: 40 thru 10 meters with tuner

144/430 dualband J-Pole antenna - A simple and cheap dualband j-pole antenna for 144 and 430 MHz

Copper Cactus Dual-Band - Copper Cactus Dual-Band Super J-Pole Antenna Project 2 meter 70 Cm Home brew antenna

Vertical antenna for 2 mt and 70cm  ^pop - How to Build a Dual-Band Antenna for 2M/70cm

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

Hamstick - Lakeview antennas, manufacturer of mobile antennas and accessories by WD4BUM, including colinear antennas, dual band, mounts and accessories. Maker of popular HamStick antennas.

Autotena - Antenna manufacturer in Taiwan, products range are RF communication antennas ( CB, VHF, UHF, Dual band, Base Station, Marine, GPS,GSM, PCS, Cellular, DVB-T ) , Amplifiers , Mounting Kit ,Accessories & Related products.

DXBeam - Located in France, DXBeam designs and manufactures a range of monoband, dual band and triband antennas, rotary dipoles, Moxons and Yagis

The Ventenna - Rugged, disguised 2m, 220MHz, 440MHz, and 2m/440 dual band antennas, HF portable antennas, portable dipoles.

Quantum Antennas - 146/446 Mhz Dual Band, High Gain vertical Antenna

2m Band VHF antenna pre-amplifier - Homebrew pre-amp for 144-146 MHz amateur band and OSCAR Satellites, using BF981 Dual-gate MosFet. Gain ~15 dB, NF=1dB.

QRM and noise reduction Priority listing - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM