dual gate

Dual Band vertical antenna for 20/40 - A 20 and 40 meter vertical on Autopilot by K6MHE PDF File

Dual Band Dipole 20-40m - A simple dipole built for two-band operation can be used for portable use and operate 20 and 40 meter bands

The HB9CV - a two element 6m-beam - A dual driven antenna for the 6 meters band.

WX2NJ JPole bicycle antenna - 2 meter or Dual Band J-pole bicycle antenna

Dualband J-Pole antenna - A VHF / UHF J-pole vertical antenna de ON6MU

Dualband 17m/20m Moxon - A moxon rectangle for 17 and 20 meters band by N3OX

VHF UHF Dualband vertical antenna - Homebrew a dual band vertical antenna

Morgain antenna by I1CRA - A dual band wire antenna project in Italian

DX-Cluster nodes on maps - Here you get pages with TELNET and HYPER links to all DX-Cluster Nodes in a graphic manner.

N9RO - Ham Radio, PropNet, WSPR & SDR - Personal ham radio blog. PropNet, WSPR, SDR's, and more ham radio stuff.

AL7LE Moose Horn Amateur Radio Club - Dedicated to the art of Ham Radio, enhancing individual operational and technical skills as well as providing communications during local and national emergencies. Located on the Kenai Peninsula in South Central Alaska.

US Communication antennas - UnderBumper diversity licence plate antenna system (front and rear license plates) become the antennas. Available in VHF, UHF, Dual Band and other frequencies. We also manufacture mobile antennas for HF VHF UHF wideband antennas

MB7USK - APRS Internet Gateway in Folkestone, Kent UK

Transceiver to pc interface for echolink - with a hardware DTMF detector and galvanic isolation designed for SVXlink based Echolink gateway

Google Earth 4-D Inonosphere - Free real-time Earth Space 4-D global 4-D ionosphere using Google Earth, by CAPS/ES4D Gateway

TH-D7A(G) Review - Kenwood TH-D7A(G) Dual-Band Handheld Transceiver

Kenwood TH-D7 reviews - Eham reviews of the dual band kenwood TH-D7a/e series handheld transceiver

TH-D7A Review - The Kenwood TH-D7A dual-band data HT by Alan Crosswell, N2YGK

YouTube - Yaesu VX-8R Tri-Band Handheld Ham Radio Transceiver - Package contain 1x yaesu vx-8r 1x sma dual section antenna 1x hf antenna lithium ion battery pack fnb-101li 1x battery charger nc-86c 1x connector unit

Radio Arena - Supplier of two-way radio products and accessories to large and small businesses, volunteer groups, radio amateurs and individuals. Transceivers, receivers, antennas cw keys

D-STAR Gateway Software - ICOM software to interconnect D-Star systems

Ham Radio Deluxe Satellite Tracking - Nova DDE Support, Scheduled Kepler data downloads, Integrated web browser, Audio announcements, Google Earth integration, dual radio support

Dual Output 200 MHz RF Generator/Detector - Dual Output DDS Based RF Generator/Detector with links for the associated QEX NimbleSig III article download by Tom, VA7TA

A Simple Dual Band SSB Transceiver - Homebrew a dual-band transceiver with a crisp receiver and a clean SSB signal

Cross Band Repeating - The purpose of a cross band repeater is the same as any radio repeater. It allows stations to communicate that ordinarily would not be able to do so because of the distance or terrain between them. A cross band repeater is implemented using a dual band 2 meter - 70 cm radio by KJ6RZ