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XE1YJS Tower and antenna setup - What is the procedure of a tower and antennas instalation? Pictures and comments of this antenna installation in Mexico

Surplus Radio Society - Dutch society of collectors of old ex-military radio equipment and other nostalgic receivers and transmitters

The Philco Repair Bench - Everything the antique Philco radio collector and restorer needs.

Top Ten Devices - Automatic band decoder, six way antenna relay, band reject coaxial stubs and more

AGB Activity Group of Belarus - Club have DX-program, DX-Rating, awards, trophy , contest programs and bulletins by internet & book.

XU7AFU Cambodia - By ON4AFU will be active 40 to 10m mainly CW - 21 Feb to 14 March

AGB Award program - AGB - Activity Group of Belarus have Awards and Trophy programs - 19 color award of Belarus and World team. Rules and pictures.

Pactor News - Ham Radio Newsletter dedicated to HF communications and the PACTOR user

Brightleaf Amateur Radio Club - Club activities, news and newsletter Ham Chatter Online features a member each month. Field Day pictures, etc. Home of VOA transmitter sites. Club calls, W4AMC & W1VOA Greenville, NC

RSGB North East Regional Group Page - Regional News, Contacts and Resources for for UK Radio Amateurs in The RSGB North East Region

IK1ZOY Giancarlo Priority listing - Collection of telegraph keys homebrew antenna projects links to radio software

K-Com - comprehensive line of products for rejection of Radio Frequency Interference (RFI) to telephone equipment.

ProSisTel - Italian manufacturer of tower and accessories

Spi-Ro Manufacturing Inc - Transmitting & receiving multi-band antennas covering 1.8 thru 55 Mhz.

Hal Communications - HF radio data communications products, analog and DSP modems

W2IHY Audio Products - Band audio equalizer and noise gate compatiable with ICOM, KENWOOD, YAESU and other radios

I.C. Engineering - Electromagnetic field strength meter

Radio Adventures - Design and manufacturing of electronic components, kits, and accessories for the amateur and commercial communications. CMOS Keyers, W1AW receivers, PC borads kits

Lunar Prospector - The NASA/Ames Research Center in Mountain View, CA Moon mission

ST2NH Nader - Many satellites homebrew projects from the sudanese amateur radio station ST2NH active on satellites, ISS, HF phone and digital modes.

DX Report from Colombia - DX Reports objective is to quickly issue the DXLogs made by Yimber Gaviria in Colombia

Prolog2K - Commercial logging software for windows, with QSL route functions, logbook conversions, rig control and cluster support by Datamatrix

Zelscope  ^pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.

PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters

Electronics Symbols - Over 400 electronic symbols explained, in spanish