bipolar regenerative rec

Quadrifilar Helix Antennas - The purpose of this page is to provide information and links about Quadrifilar Helix Antennas. It's the best antenna to use for APT satellite reception

Antique Radio Repair and Speaker Reconing - Servicing radios made in the 1930's, 40's and 50's. Speaker reconing for vintage and modern speakers.

Fox-Radio - Mills activations, directory, pictures of FR members and many DX infos

The Scottish DX News - New and rare coming IOTA dxpeditions,dx aids, recent GM3ITN logs, DX qsl galleries,Antarctica qsl Galleries vol 1,2,and 3 and much more.

HB0 - DXpdition 2004 - HB0 on most HF bands from 12 Sept 2004 to 19 Sept. 2004. HB0/ON7TQ and HB0/ON6UQ Qsl via home call Buro or direct.

Ham Logs Online - Put your Ham Logs online, compare contest scores, send and receive electronic QSL requests and more. The place to see if you finally worked them!

Gippsland Gate Radio and Electronics Club - Radio and electronics club

Murray State University Ham Radio Club - A recognized organization of Murray State University providing programs and activities that promote interest in Amateur Radio within the campus and community.

Your Remote S-Meter - A Kenwood R-5000 communications receiver located in Salt Lake City that you can remotely control and receive S-Meter readings and audio from via a web browser.

Shortwave and Scanner Swap Shop - A group for the purpose of buying-selling-trading SW receivers and scanners only. Free and mainly for individuals.

BCLNEWS.IT Audio Gallery - Lots of sounds recordings

on4dsq audio file website - MP3 recording files, dx-ing, photo's, dxclusters, railsystem, online logbook

ON7TZ Recording web site - The WW MP3 Recording website. Welcome on the first MP3 Recording website of Radio Amateurs

KEPS Equipments for AO40 downlink - Complete receive system, downconverters, dishes, feeds and preamplifiers for AO40 satellite users

WaveNode Precision Station Monitoring - The WaveNode WN-1 is a precision, full-featured Amateur Radio Station Monitoring System which now includes Audio Announcing for RF power, SWR, and DC monitoring using HF and UHF remote sensors.

NAVTEX - The NAVTEX system is used for the automatic broadcast of localised Maritime Safety Information (MSI) using Radio Telex (also known as Narrow Band Direct Printing, or NBDP).

Propagation eAlert Service - Automatic e-mail alert of propagation information. Gives current solar flux, Ap, Kp, solar wind information, solar and geomagnetic conditions past and forecast, sunspots, aurora index, and more.

Ten-Tec RX-320 Control program - The program GNRX320 is intended to operate the Ten-Tec RX-320 receiver

MacR–1000 - Icom IC–PCR1000 communications receiver remote control for Apple Macintosh computers running MacOsX

Axis Spectrum Analyzer - Axis Spectrum Analyzer allows you to record audio along with sincronized 31 band spectrum analyzer readings from any audio source to be inputed into Macromedia Flash movies in an easy to integrate way. The software can also be used to display real-time audio with customized visuals on video devices such as projectors, tvs,etc.

Variable bandwidth cw filter - As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception

A Pb Battery Recharger - The starting idea was to build a battery charger for Pb battery used in car and moto...

Simple CMOS elbug - It is a simple electronic keyer that proved to be reliable, precise timing and no own phantasy by OK1DX

QRP equipment - Simple QRP rigs, Transceivers with single side band direct conversion receivers, Receivers, Frequency counters for QRP

SWR bridge - This SWR bridge works by sampling the amount of power flowing in each direction along the aerial feeder.