sub vfo receiver

Feeding an End-Fed Antenna  ^pop - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.

HF antenna for high rise dwellers - If you have ever tried transmitting on HF from a tall block of apartments, where it's just not possible to erect a substantial aerial system, then this article is for you by Mel G4WYW

Worked All States (WAS) by ARRL - The WAS (Worked All States) Award is available to all amateurs worldwide who submit proof with written confirmation of having contacted each of the 50 states of the United States of America.

The Hurricane Watch Net - The Hurricane Watch Net, Amateur Radio Serving the National Hurricane Center Since 1965. The HWN provides up to date tropical weather information for the Atlantic and Eastern Pacific. Subscribe for tropical weather email.

CSRA - Chicago Suburban Radio Association - Founded in 1924 CSRA is one of the oldest ham radio clubs in the USA

W0DCW The St. Louis and Suburban Radio Club, Inc.

Winterfest - Each January The St. Louis and Suburban Radio Club, Inc., warms up the ham radio winter with Winterfest - the largest Hamfest in the area

Free Web Receivers from UK - Up to 3 free to tune receivers based in Bedfordshire England, Ten Tec RX320D, Yaesu FT-840 and Icom PCR-100

GlobalTuners - GlobalTuners provides access to remotely controlled radio receivers over the internet. You can listen to ham radio, shortwave radio, air traffic control, airband, ACARS, airports and much more. Tune remotely controlled receivers from all over the world with your browser and listen live.

HB9FX Internet Remote Base JN37XH Hochwacht Zofingen Switzerland - Tune and / or listen between 10kHz - 10GHz to professional Online-Receivers as Rhode & Schwarz EK070 or AEG E1900/3, Amateur-Radio-Transceivers, Web-SDR, Digital-Modes, Repeaters, EchoLink, APRS or control Antenna-Switch-Matrix, Antenna-Tuner, SWR & PWR- Control or Web-Cams.

Cumbria Designs - Quality electronic kits, transceiver display, Minicounters, VFO Stabiliser, Microcode Morse Reader

Juma kits - Ham radio kits, HF receivers,ssb and cw transceivers, morse keyers and linear amplifiers.

Universal VFO Controller - A controller that works with the new Silicon Laboratories Si570 programmable XO chip, as well as the Analog Device DDS chips used in the popular AMQRP cards by WA6UFQ

VK3RVZ IRLP Node 6506 - VK3RVZ IRLP Node 6506, covering the Port Phillip bay area and inner suburbs

G4ILO Stealth Amateur Radio - If you are a ham and live in a modern urban or suburban development, putting up a highly visible antenna may make it difficult to stay friends with your neighbours.

mikroElektronika books : Radio receivers - Radio Receivers, from crystal set to stereo, free online ebook including, principles of radio transmission, direct radio receivers and superheterodyne receivers

S Meter Lite Software - S Meter Lite is a no-cost program that displays your receiver's S Meter signal strength in a window by W8WWV

EhoCW - CW Keyer software by F8EHO keyer and decoder functions, with interfaces with emitter/Receiver, memories, variables for call sign, mp3 and wav morse conversion, direct keyboard keying, joystick or serial interface for a morse key

Omni-Rig - A COM component for transceiver/receiver CAT control. Not a complete program, but rather a component tool that allow software developers to connect their program to a supported transceiver.

PA3FWM's software defined radio page - Experimenting with the new way of building a radio receiver known as "software-defined radio". This page gives some information about this project.

500 KHz Low Pass Filter - This article describes a shielded low pass filter with a cut off frequency of about 500 KHz. It is built with components suitable for receiving, and was designed to use in front of a low frequency receiver for LOWFER work.

Chatterbox Transmitter and Receiver - 160 meters transmitter and receiver by G3NGD

Restoring an RF Signal Generator - This signal generator is intended for realignment of radio receivers

Signal Generator VFO - Signal Generator (VFO) with Direct Digital Synthesis by Bruce AA0ED and Craig AA0ZZ

Track down television interference - Nearly half of all reception problems are due to deficiencies or faults in the television receiver, the aerial lead or the aerial. This article will help you to check whether the problem you are having is due to one of these causes.