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Receiving Loop Theory - N4YWK - Sensitivity of multi turn receiving loops William E. Payne, N4YWK

HLARA home page - Heartland Antique Radio Association of Tulsa, Oklahoma

Tango Delta Tango Dx - 11 meter dx group from The Netherlands

GMRS J-Pole Antenna - Build a j-pole antenna for the GMRS/FRS radios. These radios are the type you can buy at sporting goods stores such as REI, Cabelas, etc. There are several radio manufactureres who make GMRS/FRS radios with removable antennas. This antenna can increase the range of these radios by miles!

MF and HF Amateur Radio Band Charts - Easy to read set of band charts for the amateur radio MF and HF bands: 160, 80, 60, 40, 30, 20, 17, 15, 12, and 10 meter by W5JCK

RF Cafe - Amateur Radio Links - RF Cafe is a unique portal of RF, microwave, wireless, and other engineering resources. Vast collection of equations, references and conversions for electrical, mechanical, physical, and mathematical fields.

The reflected W beam - Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.

IMEN PAYA Eng. Co. - Supplier and manufacturer of earthing & lightning protection equipment. Also provider of all electrical instrument, based in Iran.

VLF-LF And the Loop Aerial - The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise. A Loop Aerial is described suitable for use on the LF and VLF bands together with a circuit of an interface loop tuner and preamplifier. The discussion extends to the problems of amplifier noise and the advantages of tuning the loop.

Setting up the Electroinstruments Key-8 - These instructions are designed to help you find the adjustment that suits you best. What you are looking for ultimately is a particular feel, and that will vary from person to person.

Democratic Voice of Burma - Democratic Voice of Burma is a multimedia organization focusing on Burma - Myanmar. We provide impartial news, information and analysis about Burma. We have two hour daily radio broadcast to Burma via short wave, promoting press freedom, democracy and human rights. Our news is available in Burmese, English, Arakan, Chin, Kachin, Karen, Karenni, Kayan, Mon and Shan languages.

PDKI - Democratic Party of Iranian Kurdistan

CPIran - Voice of the Communist Party of Iran

Voice of Oromo Liberation (OLF) - Ethiopia

Radio Marti - U.S. Office of Cuba Broadcasting

Voice of Justice - Cambodia

Radio 101 International - Informations about RADIO 101, constructing home brew transmitters, pirate radio, pagers, salsa, latin-dances, tango, Ecuador, Quito, Ukraine, Kiev, Ireland and more. Themen: Sendetechnik, Sender, Piratensender, Schaltpläne, Baupläne, Magnetkarten, Irland, Ukraine, Ecuador, SMS, Pager etc

Numbers Stations by dxing.com - Article on number stations

Salon People Counting spies - Salon.com's Article on Numbers Stations

Who operates those weird numbers stations on shortwave radio - Article on number stations

Spy Number Stations - So you want to listen to the spies?

Spy Stations and Cryptography - This article first appeared in the October 1998 issue of Monitoring Times

Introduction to number stations - long article on number stations history

Snooper - Comercial windows sound/voice activated recorder, will start recording when sound is detected. Recording to compact MP3-files. 30 days trial available.

NetLogger - NetLogger is a logging program that can use the internet to transmit check-in information to other users of NetLogger. Net participants that are monitoring the net with NetLogger receive updated information every twenty seconds.