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Antennas for SW Broadcasters - All antennas for shortwave broadcasting, Log-periodic, Dipole Arrays, Curtains antennas, rhombics, broadband dipoles with photos and details.

QNEWS Ham Radio News - Daily updates to the weekly QNEWS Ham Radio News service in text realaudio and RF

San Diego Repeater Association SANDRA - San Diego Repeater Association. We maintain oper ham repeaters throughout San Diego and Imperial County, California.

Antietam Radio Association - Home of the ARA Club W3CWC, Proud Sponsors of the Maryland DC QSO Party and The Hagerstown Hamfest

WD8KAF Live Repeater Stream - This repeater is broadcast from Coldwater, MI on a frequency of 147.300 MHz. Owned and maintained by the Branch County Amateur Radio Clu

US Police Scanner  ^{updated  pop} - Live, 24-hour audio broadcasts of police scanners in major cities around the United States.

Bergey Windpower Co. - Bergey Windpower is one of the world’s leading suppliers of small wind turbines

MaCo Antennas - Maco Manufacturing, HF Antennas, gamma matches, cable assemblies, power supply, swr meters, watt meters

CONEX - DTMF Remote Controls, DTMF tone generators and broadcasting products, remote broadcasting via cell phone, cell phone mixer and remote phone keypad

Autek Research - Autek Research make three models of RF Analysts, power and swr meters

Diamond Antenna  ^pop - Base station and repeater antennas, mobile antennas, ,multi-band HF antennas , handheld transceivers, receiving and scanner antennas, power meters, swr meters, power supplies, coaxial switches

Hellschreiber beacon project - This web site describes a low power beacon system to be used for propagation and performance tests on the lower bands. The beacon offers CW (on-off keyed) modes and FSK modes; the traditional Morse ID mode, and Feld-Hell, another highly noise immune CW mode.

NGDC data - archives of geomagnetic data to further the understanding of Earth magnetism, includes ionospheric datas

Ionospheric T Index - T index explained BY NOAA

Sunspot numbers explained - Definition of smoothed sunspot number and R12 index

Sunspot Number - How sunspot numbers are computed

TV DX pages - General and technical informations, colour and broadcasting systems by country, frequencies

Andrews Communications Systems - Australian dealer, HF linear amplifiers, power supplies, baluns, HF UHF yagis and verticals including multiband HF verticals.

The AM stereo page - A comprehensive listing of AM Stereo radio stations in North America with listening tips, news, AM mono to stereo radio conversion information, sources of AM Stereo receivers and a history of AM Stereo broadcasting.

Shortwave-O-Rama - The ultimate shotwave site now with links to broadcasters homepages, by Michael Carter

What can I hear on shortwave radio - Most people, when they think of "shortwave," think of shortwave broadcasting. There are lots of other services using the shortwaves, although not as many as there used to be.

Prime Time Shortwave Priority listing - The latest shortwave broadcast schedules with listings by time, country and frequency plus a DX program guide.

Frequency Manager - Database system with 60000 frequencies, powerfull 3D MUF/LUF-propagtion software and full copntrol of several receivers

WinWarbler - A free soundcard application supporting PSK31, PSK63, RTTY, CW, and Phone operation. It can decode all PSK QSOs within a 4 KHz segment, maintaining a sorted list of heard callsigns; it can simultaneously decode RTTY via soundcard and an external modem, generates CW directly or via WinKey, and includes a voice keyer. WinWarbler interoperates with the free Commander, DXKeeper, and SpotCollector for transceiver control, logging, and spotting.

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas