size wav generator

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.

Quarter Wave with radials - VHF quarter wave antenna mainly for scanner usage, The quarter wave antenna is an easily designed and constructed antenna for whatever frequency you want, although with the following design, you may to limit it to the VHF and UHF bands due to the physical size.

SkyWaves N3FRQ - AN/ARC-5, Russian maritime radios

Canadian Nondirectional Radiobeacons - Locate canadian non directional radio beacons

GI7IVX NDB pages - Radio beacon dxing and shortwave dxing

Power Line Noise - I have a shortwave radio, but I get nothing but a loud buzzing on it. What's wrong?

The Shortwave Broadcast Bands - For convenience, the shortwave part of the radio-frequency spectrum is subdivided into bands. Each band has its own unique propagation characteristics

Radio waves below 22 kHz - Exploring ULF-ELF and VLF radio band

Morse code ringtone generator - This page converts text into a morse code ringtone playable on most mobile phones.

Lentini Communications, Inc. - Lentini Communications, Inc. was established in 1954. Located in Newington, Connecticut, home of the American Radio Relay League, retail and mail order outlet serves all your wireless communication needs. Stock amateur, CB and shortwave radios as well as Nextel cellular phones and more.

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

Swiss Radio International - An online database of Swiss Radio International shortwave and satellite frequencies and schedules which may be searched by language, target country and/or region.

Radio New Zealand International - Radio New Zealand International is a Shortwave Broadcaster. Our broadcasts are beamed to the island nations of the Pacific but can also be heard in other parts of the world.

Radio Veritas Asia - The Missionary of Asia - A Catholic shortwave broadcaster in Quezon City, Philippines which transmits programs to Asia in 17 languages.

Radio Romania International - Broadcasts over 47 hours daily on short and medium waves. Conducts a DX Club for SWLs and DXers.

EWTN - Lists the programs and schedules of Global Catholic Radio WEWN, which operates 24 hours daily on WEWN shortwave, via satellite and live audio streams, and also on many AM/FM stations in U.S.A.

Rádio Nacional de Angola - Provides broadcast times, frequencies and power of the network emissions. Airs mediumwave, FM, shortwave and RealAudio broadcasts

Kuwait Multimedia Center - Mediumwave, satellite and shortwave schedules and programming information of broadcasts to all world regions in Arabic and English.

UK Shortwave and Scanning Forum - The ultimate UK Shortwave and Scanning forum

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.

Virtins Technology - Offer PC based virtual instrument for electronics enthusiasts, students and professionals, including full-fledged sound card real time Oscilloscope, Spectrum Analyzer and Signal Generator.

Computer-supported ShortWave Listening - RxWings, a radio control program to support swl with the AR7030, NRD-535/545 and RX320

Electromagnetic Radiation Explained - by Jim Hawkins - WA2WHV How Radio Waves Are Born

Direct Conversion HF Transceiver with DDS LO - Direct conversion HF radio with DDS frequency synthesizer is very interesting concept. OH7SV and OH2NLT are experimenting with such rig. Full stories will become available when project matures. Here we have some preview pictures and material.