bipolar regenerative rec

Build your first dipole - The dipole antenna is an easily designed and made antenna usually used on HF, although can be (and sometimes is) made for VHF and UHF antennas, and in varying forms is also used as part of different designs of antennas – i.e. as the driven element for directional antennas.

SWL antenna distribution system - A methodology for connecting multiple LF/MF/HF receivers to a single antenna via readily available and inexpensive 75-ohm TV cable. Custom made baluns and splitters provide impedance matching and prevent interaction between receivers.

Reflected M beam for 20 meters - The Reflected M beam is made from a pair of wires formed in the letter M that are back to back. One M serves as a driven element and the other can be either a director or a reflector

Rec.radio.amateur.boatanchors FAQ - Frequently Asked Questions - about vintage tube-type ham radio and communications equipment

Beacons QSLs - Colelction of QSLs received from listened beacon stations, it shows a few of the QSLs sent out by NDB operator

SSA - Non-Directional Beacon - Airport Locator Beacon, The NDB-SS05 is a complete Dual Non-Directional Navigational Beacon system built to ICAO Annex 10 requirements. It is designed for continuous duty, outdoors operation, easy maintenance and is supported by a full complement of accessories and spare parts.

Canadian Nondirectional Radiobeacons - Locate canadian non directional radio beacons

I0QM recordings - Recorded QSO by italian amateur radio station in MP3 format

Low Power Radio Modules - Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

Aventrade - Radio battery store with online catalog, Yuasa Battery, NiMH Battery, UPS Battery, BB Battery, Luxeon LED Flashlight, Charger, Battery Pack, Battery Adapter, APC Battery, LED Flashlight, CR123A, Rechargeable Battery

USCG Navigation Center DGPS - Differential Global Positioning Service (DGPS) is a land-based augmentation system that receives and processes signals from orbiting GPS satellites, calculates corrections from known positions and broadcasts these corrections via a Medium Frequency (MF) Transmitter to DGPS users in the Broadcast Site’s coverage area.

PB 2 Radio Direction Finding - info on radio direction finding

PA3DFC direction finding - ARDF Homepage, Nederlandse ARDF-Homepage

Polish radio direction finding - IARU region 1 RD championship

Radiopejlorientering - Radio Direction Finding - The Swedish ARDF page is mainly presented in the Swedish language, but some articles are in English.

Manualserver - Manuals for receivers, amplifiers, antennas and much more

Independence Missouri Police Scanner Page - Independence Missouri Police Scanner, live & recorded audio broadcasts.

WinAmp Railroad stream - Southcast railroad radio streaming

SpeakerRepair.com - Speaker repair, reconing, re-edging, speaker parts, DIY re-edge kits.

Shortwave Monitoring Station - Berlin - Shortwave Monitoring Station in Berlin: DX news, HF propagation, greyline, DRM news, QSL gallery, audio recordings and more

How to Receive SSB Broadcasts With an AM Only Receiver - Iyou want to learn a little about how SSB works, or you absolutely cannot afford a more sophisticated shortwave receiver, try the following

Radio Sweden International - Offers highlights of daily English language service, programs and frequencies, online reception report and request for QSL Card and newslinks.

Scancorder - With Scancorder you can record and replay audio from your scanner using your computer soundcard. The audio is recorded digitally as a wave file, so that even digital modes can be re-processed or analysed later.

Filters for NDB reception - RF Filters to help with NDB reception problems

iCOM PCR 1000 Web Resource Page - ICOM PCR 1000 user website with tips, manuals, hacks and frequency list for this no-interface radio receiver.