radio tubes

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

My CB Shack - Website created for the CB Radio Hobbiest. Specializing in DX radio and cb base stations.

World Wide Young Contesters - Amateur radio contest club created in 1999 to encourage new young hams from all over the world.

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

National RACES web site - US national radio amateur civil emergency service web site

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

Tar River Amateur Radio Club - The Tar River Amateur Radio Club is a society of amateur (ham) radio operators generally based in Rocky Mount, North Carolina.

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

VK4NM Mike - World of amateur radio by VK4NM

PD2AYZ Freddy - Radio amateur in the Netherlands

IZ0BGS Massimo - Shack info, history, and photo album

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

ViperDew's Amateur Ham Radio - Amateur Ham radio site, something for individuals looking to get into HAM radio or experienced Amateur's.

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

Wellbrook Communications - Broadband active loop antennas for radio amateurs and hobbyists

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

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

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

Radio Today - UK-based hobby radio magazine originally published only on paper. Now, every article is also published on the web.

Scandinavian Weekend Radio - SWR is Finland's first private shortwave station.

Yagi Designer  ^pop - Program that produces antenna radiation patterns and graphs for SWR, forward gain, and F/B ratios

WinConvers - Convers is a chat system (similar to IRC) operating using internet TCP/IP protocols on amateur packet radio and the internet.

TTYlink - TTYLink is a freeware client chat telnet application designed for packet radio and available for Windows NT 4.0 and Windows 95/98.

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