Associacions (aSOCIACIONES) (aSSOCIATIOns) (Associations) :
| The Amateur Satellite Corporation | |
| American Radio Relay League | |
| The International Amateur Radio Union | |
| International Telecommunications Union | |
| Japan Amateur Radio League | |
| RAC | Radio Amateur of Canada |
| RAST | Radio Amateur Society of Thailand |
| R E F | Reseau des Emetteurs Français |
| R E P | Rede dos Emissores Portugueses |
| R S G B | Radio Society of Great Britain |
| U R E | Unión de Radioaficionados Españoles |
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| Ham Radio Callsign Database | |
| Ham Radio Callsign Database | |
| Ham Radio Web-Sites | |
| Ham Radio Callsign Database |
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| Keyers and Paddles | |
| The European CW Association | |
| First Class Operators Club | |
| Morse Preservation Society | |
| CW keyers | |
| Keyers and Paddles |
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Descàrregues (Descargas) (Downloads) (Décharges) :
| ACLOG25 | Amateur Contact Log |
| ARIEL30 | HF Wire Antenna Design |
| ERP | Effective Radiated Power Calculator |
| LOGGER32 | The Best Logbook Program by K4CYE |
| MORSE CT | Morse Code Trainer |
| QSLMAKER | Make your own QSL cards |
| WINURECON | Programa registro concursos |
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| Azimuthal Maps | |
| Boletín de DX | |
| DXER.COM | Software |
| DXER.ORG | The D X Notebook |
| DAILYDX.COM | D X Information |
| DX SUMMIT | D X Cluster |
| DX ZONE.COM | Ham Radio Guide |
| IOTA | Islands on the Air |
| EI8IC RESOURCES | Ham Maps |
| NG3K | Announced DX operations |
| TEN-TEN | International Net |
| W1AW | Ham Radio Bulletin |
| 425DXN NEWS | D X Bulletin |
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Fabricants, recanvis i reparacions
(Fabricantes, recambios y reparaciones)
(manufacturers, spare parts and repairs)
(manufacturiers, rechanges et réparations) :
| ALINCO | Ham equipment |
| AMERITRON | Amplifiers |
| ASSOCIATED RADIO | Second Hand Equipment |
| ASTRON CORP. | Power supplies |
| BARKER & WILLIAMSON | Antennas |
| BELDEN | Coaxial cable |
| BURGHARDT | Second Hand Equipment |
| CABLE EXPERTS | Antenna coax. and Twin-lead wires |
| CMOREU | Repair and restoration HF equipment |
| Ham equipment | |
| COMET | Antennas and Accessories |
| CUBEX | Quad antennas |
| CUSHCRAFT | Antennas |
| EIMAC | Ham Radio Tubes |
| ELECRAFT | HF kits |
| FORCE 12 | Antennas |
| GAP | Antennas |
| GARMIN | GPS Receivers |
| HAL | Amateur equipment |
| HAMRADIO.COM | Sur-Plus Radio Equipment |
| HEILSOUND | Microphones, Headsets |
| HENRY RADIO | Amplifiers |
| HI-MANUALS | Ham equipment Manuals |
| HY-GAIN | Antennas, Rotators and Towers |
| ICOM | Ham equipment |
| KANTRONICS | Packet-radio equipment and TNC's |
| KENWOOD | Ham equipment |
| MFJ | Ham Radio Accessories |
| MIRAGE | VHF-UHF Amplifiers |
| MOSLEY | Antennas |
| NEVADA | Radio parts & Equipment |
| PEET BROS. | Weather instruments |
| RADIO BOOKS | Radioware and Radio Bookstore |
| RF PARTS | Radio parts and accessories |
| SHURE BROTHERS | Microphones |
| SVETLANA | Ham Radio Tubes |
| SURPLUS SALES | Radio obsolete parts |
| TEN-TEC | Ham equipment and kits |
| TIMEWAVE | DSP, Filters, Packet |
| UNIVERSAL-RADIO | Ham equipment new and used |
| YAESU | Ham equipment |
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Propagació (Propagación) (Propagation) (propagation) :
| DX-QSL.NET | Propagation data |
| Propagation programs | |
| Real time Grayline | |
| Propagation online | |
| Sun images | |
| Sunspotcycle evolution | |
| Interactive atlas and Greyline | |
| Propagation prediction |
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