history of radio tubes

160/80m Coaxial Receiving Loop Antennas  ^pop - Receiving loop antenna for top band. This antenna allow to reduce noise on both bands. The stand alone 80m loop is approximately four feet in diameter. And made of light weight material. Which makes it ideal for portable use or you can mount it above a pre-existing vhf antenna, and due to it's small size it is quite rotatable.

CT Contest Logging Program Utilities - My MMPRINT utility is a post contest tool that lets you extract statistical data from a CT log file

Belgium - UBA - Royal Belgian Union of radioamateurs Koninklijke Unie van Belgische Radio-amateus Union Royale Belge de Amateurs-?metteurs

rec.radio.cb - Citizen Band discussion area.

Ruzber Antennas - Ham Radio Vertical HF multiband antennas manufacturers based in Spain

Hoka Electronics - The WWW home page for information about our specialist range of HF and VHF radio digital signals' analysis and decoding equipment.

Distance and Bearing Finder - This service uses data from the US Census and a supplementary list of cities around the world to find the latitude and longitude of two places, and then calculates the distance between them. It also provides a map showing the two places, using the Xerox PARC Map Server.

NOAA Dailiy Reports - Report of solar & geophysical activity

Propagation Forecast by AD5Q - 11 Years of monthly propagation reports from February 1988 to January 1999 by AD5Q

Popagation studies committee Priority listing - This page is about the RSGB's Propagation Studies Committee, its work, services and current projects, together with guides to where to find more about matters relating to propagation on the Internet at all levels from introductory to professional. Watch this space!

The Morse Magazine - Morsum Magnificat is a bimonthly journal for all Morse enthusiasts, amateur or professional, beginner to veteran.

The Association for International Broadcasting - The Association for International Broadcasting is the professional body for the whole international radio broadcasting industry

Antenna Maker  ^{updated  pop} - Antenna design program for Quads, Yagis, Inverted Vees, J-poles, Trap Dipoles and more.

EZNEC Antenna analysis  ^pop - NEC-2 based antenna analysis software for the amateur and professional

Antenna Software at QRZ.com  ^pop - Large collection of radio related software at QRZ.com web site.

Quickyagi - This is the place for downloading the latest DOS version of Quickyagi the freeware yagi modeling program with auto-design & optimize.

Windows Telnet to ComPort cross connect - This program lets you cross connect Telnet connections and ComPorts or Ethernet. It can be used as a backup connection for PacketCluster nodes or to connect a CT network to a remote PacketCluster.

PacketCluster DX statistics - This program extracts statistics from a dx.dat file to show numbers of spots for each country on each band

Proagation Prediction Program (DOS) - Downloadable DOS program for propagation prediction for the serious contester.

Micro-G2b Rotor control - This program uses a Z-World Micro-g2b board to control up to 4 rotors.

Atomic Web Clock - National Institute of Standards and Technology (NIST). Synchronize your pc's clock to the NIST Atomic clock.

Coaxial Cables - The finest premium coax in the most popular types. Coaxial cable types.

Fil's Repair page - Series of comprehensive repair guides for consumer electronics equipment and other household devices

Tomi Engdahl's electronics info page - Large list of technical notes on various electronic components, and related links.

K1TTT Technical Reference Priority listing - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.