tube data

G3SEK's Amateur Radio Technical Notebook - A lot of good informations concerning antennas, filters, moonbounce, and circuitry data.

Radio Era Archives - REA offers a wide variety of items for antique radio. We have schematics, old books, reference data, historical information in paper copy form or on CD-ROM.

Contest scores by dxwatch.com Priority listing - A searchable database containing user submitted scores for most contests. Information gathered from 3830 mailing list

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

IARU R1 VHF Beacon List - This list of VHF/UHF beacons is compiled for IARU Region 1 by G0RDI, and it builds upon the valuable work contributed by G3UUT

Canadian Amateur Radio Callsign Database - Search engine is provided by Radio Amateurs of Canada.

OK1RR DX & Contesting Page - Almost a fresh QSL manager Database, Country Tables for YPLOG by VE6YP (updated monthly), Additional files for the TRLoog by N6TR. Technical topics for HF Contesting (mostly CW), software download (a huge collection)

K4UTE QSL info lookup - Quick QSL Manager Lookup. Database address has been discontinued since october 2006

QSL INFO SYSTEM by IK4LZH - QSL database lookup provided by IK4LZH

Max-Gain Systems, Inc. - Fiberglass for the antenna builder, Antenna Mart quads, Bandmaster quads, transmitting components, vacuum capacitors and relays, tower accessories, gin poles, remote RF coax switches, rotating side mounts, quad spreaders, quad parts, bristol wrenches, doorknob capacitors, transmitting electron tubes, and much more!

Belden Wire & Cable Company - Cables for any electrical application, with data sheets, comparisons, and on-line catalog.

Timeware tech. - Amateur Radio Products, Noise Reduction Filters, Data Controllers, deviation meter, Software, DSP-RTTY

Kantronics - Kantronics produce Modems, Tnc, Kam, Marine, wireless modems. Packet radio communication devices, HF E-mail, paging, GPS tracking, weather data gathering, or wireless data transmission.

Electron Tubes and Vacuum Tubes - Worldwide distributor of electron tubes and related items. Large stocking facility means fast deliveries for your hard to find tubes.

International Components - International Components Corporation has an extensive range of electronic components consisting of audible signal devices, speakers, microphones, capacitors, electron tubes, connectors, and accessories designed in recognition of the diversity of applications and special characteristics encountered by designers in today's complex world.

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.

NAVSTAR GPS Timing Operations - NAVSTAR GPS Timing Operations, USNO GPS Data & Information Files Global Positioning System Overview Current GPS Constellation, GPS Time Transfer Operations, GPS & Glonass Satellite Visibility

Sunrise, Sunset, Moonrise, Moonset, and Twilight Report - U.S. Naval Observatory, Sunrise, Sunset, Moonrise, Moonset, and Twilight ,Moon Illumination, Positions of the Sun and Moon , Eclipses

Solar Region Data - SunSpots - Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions

RF Parts - Antennas, books, rf parts, tubes,connectors and cables and many accessories at RF parts.

Radiodan - W7RF - BIRD RF power measuring, new and used, HENRY RF power amplifiers (used HF amps), TOHTSU coaxial relays, SAMLEX power supplies, RFI chokes reduce interference, Parts parts, tubes, Used amplifiers, radios, antennas and accessories, Los Angeles, CA.

ESRC Vacuum Tubes - Sales and Purchases - With over 400,00 vacuum tubes in stock, ESRC is a major supplier of tubes for commercial and hobbyist purposes

Antique Electronic Supply - Antique Electronic Supply has a complete line of vacuum tubes. We feature Svetlana vacuum tubes for amateur radio, broadcaasting and audio applications. We have over 700,000 new old stock tubes to choose from. We also have a complete line of transformers, featuring Hammond and One Electron. Capacitors, resistors, parts, books, etc. Most orders shipped within 24 hours. Major credit cards accpeted. E-mail for free catalog!

Lux-Log - Ham logging software capable of handling up to 30,000+ log-books using one database and one image copy, and many more features by Norbert Oberweis - LX1NO / KM6RY

HRDLabel - HRDLabel is a software for printing labels, QSL and envelope using the Ham Radio Deluxe logbook database.