two tone oscillator

Delta-Loop for 40 Meters - Two-element Parasitic Delta-Loop Array for 40 Meters by WB3HUZ

50 MHz Antennas by DF9CY (4 & 6 Element)  ^pop - Two well performing 50 MHz antennas designed with W7EL EZNEC along to many other antenna projects and related articles

Inductors used in antenna matching networks - Article about variometers, helipot inductors, roller inductors, binary switched inductors, Coil and Capstan by G3YNH

A simple Wi-Fi Yagi - Add two parasitic elements to the sleeve dipole of a Netgear Router

FRC - Frankford Radio Club - FRC since 1927, contesting is supported by an extensive PacketCluster Network

Tonga DXpedition Award - To gain Tonga DXpedition Award it is necessary to have QSL confirmed contacts with two amateur radio expeditions from Tonga (A35), on two bands, with two diffrent modes. Available also to SWLs

Balkan Award - This award is issued to any licensed radio amateur who submits proof of two-way radio contacts with members of Balkan Contest Club

KARS Annual Hamfests at Peotone, IL - KARSFEST, held at the Will County Fairgrounds. Sponsored by the Kankakee Area Radio Society. Large and well attended hamfest and computer show!

YC2GTB R.Soerjo - Personal site dedicated to amateur radio. About me and my activities. This is also a homepage for Maternal and Neonatal Health Central Java Online, The Indonesian Society for Perinatology, Matweb Network

The #cq11 page - This is the official web page of the #cq11 IRC channel on Othernet Network. It was created to help users on 11m. band.

Sarawak Club News Forum - Get The Latest Announcement Activities of Amateur Radio Club Sarawak.

Matt's Media Network - 5 Webcams, SWL info, Top 100 shortwave sites, Webcam Mania Top 100, Matt's Banner Exchange.

CONEX - DTMF Remote Controls, DTMF tone generators and broadcasting products, remote broadcasting via cell phone, cell phone mixer and remote phone keypad

Pacific Research Solutions - Repeater Controllers, Repeater Tone Panels, Telephone Interface, Remote Monitoring Systems, Process Control and TDS Monitors

Higher Speed Packet Page - N6GN's higher speed packet page for amateur radio digital networks

Texas Packet Radio Society - TPRS invented TexNet, a network using a combination of wireline and wireless technology to link hams in most of the major population centers in Texas, Oklahoma, Arkansas, Missouri

RMCWEB Uk Repeaters - Information on the UK amateur radio repeater networks.

E-layer & Sporadic-E - Two modes of propagation at 50MHz E-layer & Sporadic-E by Ken G4IGO

Isis Electronics (Cheltenham) Ltd - UK Sales of used RACAL, Watkins-Johnson, Icom, Microwave. Large Qty Racal 1792 in Stock. Spectrum Analysers, UHF,VHF Generators, Network Analysers, Bus Switches.

Free Radio Network - Free Radio network, qsl, links, audio, chat and many infos about pirate radio

Radio Distance Software - This is a trivial program which calculates the distance and the bearing between two points. Points are either entered as geogr. data (Latitude/Longitude) or as qth-locator in the Maidenhead format (6 or 8 digits), as used in ham radio. Output is in degrees [°] for bearings, in Kilometer [km], US statute miles [mi] or nautical miles [nm] for distance

KM5KG network designer - Windows98 Program for RF Design

T-Network Tuner Simulation - Simulator for the popular, series capacitor, parallel inductor T-network tuners

A 50 ohm dummy load - Make your own dummy load with two 100-ohm 5W resistors

30m QRP Transceiver kit - 38 Special, 30m QRP transceiver by Norcal QRP club, single super het receiver, full QSK with sidetone smoothly