two tone

24 Mhz Yagi Antenna - A two elements yagi antenna for 24 Mhz

160 meter linear loaded Inverted L antenna - The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF

Build a hanging dipole for two metres - Described here is a simple omnidirectional, vertically-polarised dipole for two metres

A comparison of commercial 4m verticals - Ian Hogan G6TGO has recently tried out two different commercially-built vertical aerials for 4m, and has prepared this article to share his findings with us.

Quarter Wave GP Antenna Calculator - Amateur quarter wave ground plane antenna calculator

OH7SV Windom baluns - Windom baluns for kilowatt range made with two ferrite toroidal cores amidon ft-140-61 and another schema with two ferrite rods

The HB9CV antenna - Basics and principles of the HB9CV antenna by Rudolf Baumgartner. This antenna join electric advantages of the two elements direct feeded aerials with the mechanical advantages of the Yagi antennas, in French.

Easy tuning an building of traps  ^updated - A new and simple method for tuning traps. You need 2-3Watt of your TRX and two homemade coupling coils by DK7ZB

2 metre jpole antenna - A two metre antenna project

Quad Antenna for 144 Mhz - A VHF Quad antenna for teh two meters band in italian

The Indoor spiral dipole - An attic indoor antenna successfully implemented by N9RET by using two runs of 2-conductor wire

Patch antenna for APT - The patch, or microstrip, antenna has become a common workhorse for the microwave spectrum from about 1 GHz to tens of GHz. This type of antenna consists of two conducting layers separated by a dielectric to form an extended capacitor by WlHDX

N3BB contest station - The station can be configured for either SO2R (single operator-two radios), M/S (multiple operators single radio), or M2 (multiple operators two radio) contest classifications.

The CQ DX Field Award - The CQ DX Field Award is issued in four categories—Mixed, CW, SSB, and Digital—for confirmed two-way contacts with 50 or more Grid Fields

Calgary Ladies Amateur Radio Network. - The Calgary Ladies Amateur Radio Network, known as CLAN, is an independant organization whose goal is to foster knowledge and growth within the Amateur Radio Community.

Mackenzie Highway Network - The Mackenzie Regional ARC currently Operates the VE6PRR (146.82- ) repeater. It's located approximately 15 Km North of Peace River. It is linked to the SARA system via Grande Prairie. We are currently in the process of expanding the coverage by adding number of repeater sites through out the area.

The Vancouver Island Trunk System - To provide a network of open Amateur radio repeaters, for general and emergency communications use, throughout Vancouver Island, surrounding waters and parts of the lower mainland on the West Coast of British Columbia Canada.

W3OC Two Rivers Amateur Radio Club - ARRL Affiliation since January 1965

Ham Cram - ham radio technician licence - HAM CRAM is free no code AMATEUR RADIO TECHNICIAN LICENSE cram course designed to be given in two, 3 to 3 1/2 hour sessions.

Willtek Communications - Comprehensive range of cutting-edge solutions for testing, measuring, and analysing rf networks and devices. Testers, mobile service testers, handheld spectrum analyzers

VOIP applications and Ham Radio - The future of two way radio is digital.

Build a 136 kHx TX - Two versions of a 350 and 900 W output TX for longwave by G3YXM

Heathkit SB-220 - The Heathkit SB-220, two 3-500Z, amplifier made a notable impact in the world of amateur radio when it debuted in 1975. Resources and modifications

Beaconmap - Beaconmap is a Win95/98/NT program to help listeners to identify the beacon stations of the NCDXF/IARU beacon network. The program displays a flashing dot at the location of the beacon that is currently transmitting. The call sign of the beacon, as well as the QTH is shown in the status bar. By PA1ARE

THROB 2.5x3.3 - Freeware Experimental-Program 9-Tone-MFSK with sound card