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Heathkit-Museum - The Heathkit Virtual Museum is a tribute to the Heathkit tradition. Production of Heathkits, ceased in the 1980's.

November Echo International D.X. Group. - 11 metres d.x. group northeast england.

Campania Island Award - D.I.C. Diploma Isole Campane from Italy

Triple H Net - Amateur Radio's late night net on 40 meters

OE5OHO Oliver Huber - Contesting, CW, antennas and review on TK/OE5XVL DXpedition 1999 plus my GD/OE5OHO DXpedition in 1997.

California Amplifier - manufacturer of solutions for worldwide wireless broadband communications

DaveMade  ^pop - 25-30 MHz base and mobile amplifiers

ACOM  ^pop - ACOM international, manufacturer of HF power amplifiers, HF Antennas, Antenna tuners, Switches and Crankup masts

Delta X-Ray Antennas - Antenna Manufacturer HF Delta Loops and VHF/UHF Ground Planes

Vibroplex - Vibroplex Keys

Heights Tower Systems  ^pop - Telescopic towers, platforms and accessories

Champion Radio - Professional tower supplies and specialty products for amateurs and industry.

Vectronics - Antennas, Filters, accessories, wattmeters, tuners and amplifiers.

World Time Zone Map - Time zone map by U.S. Naval Observatory Astronomical Applications Department

N6QAB Radio Direction Finding - N6QAB Radio Direction Finding Web Site, DF vehicles, transmitters, sniffers, dopplers, TH-D7A

Auroral Activity - Plots showing the current extent and position of the auroral oval at each pole

Mt. Wilson Observatory - Magnetogram, Dopplergram Intensitygram by Mt. Wilson 150-Foot Tower Data Images

Today Space Weater - Presented by the Space Environment Center with plots and images updated daily.

Stanford Solar Center - Providing solar on-line activity resources for the joy of solar science exploration

CQ Radio Amateur - CQ Radio Amateur, CQ spanish edition

Electronic Goldmine - Electronic components dealer, semiconductors, switches, leds, motors, solar energy, ferrites, toroids, capacitors, batteries, jacks and plugs, microphones, meters, power supplies, speakers, transformers, wire and more

Waters & Stanton - Suppliers of Amateur Radio equipment, GPS, Marine, Aeronautical, SRBR and a host of leisure related products.

ASTRO RADIO - Suppliers of Amateur Radio equipment, Antennas, accesories MFJ, Ameritron, Mirage, hardware and software for digital modes.

Heathkit Troubleshooting Tips - Tech informations written by an ex heath technician

EMI Calculator - Does your Amateur Radio system comply to the EMI rules ? (German values implemented)