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ANTENNAS
Antenna Calculators , VHF UHF, 2 m , 70 cm , 4 m , 6 m , 10 m , 12 m , 15 m , 17 m , 20 m , 30 m , 40 m , 80 m , 160 m , 2.4 Ghz , HF Multiband , Array , Baluns , Bazooka , Beverage , Choke , Collinear , Dipole , Delta loop , End Fed , EH , Feed Lines , G5RV , Gain , J-Pole , Halo , Helical , Hentenna , HexBeam , Homebrewing Techniques , Log Periodic , Loop , Magnetic Loop , Mobile , Moxon , NVIS , Portable , Quad , Quagi , Receiving only , Rhombic , Satellite , Shortwave , Stealth and hidden , Theory , Towers , Traps , Tuners , Vertical , Wi Fi , Windom , Wire , W3DZZ , VHF & UHF, Yagi , Antenna Software , Antenna manufacturers , Antenna books
SOFTWARE
ACARS , Antenna Analysis , Antenna rotor control, APRS , Audio Recorders , Awards tracking , Beacon Monitoring , Browser extensions & toolbars , Circuit Design , Clip Art , Collections , Contesting , Databases , Decoders , DRM , Digital Signal Processing , DX Cluster , D-STAR , Filter Design , Grid Square, Bearing & Maps , Hellschreiber , Internet Linking , iPhone , JT65 , Linux , Log Books , Log Converters , Low Frequency , Macintosh , Morse code decoders , Morse code training , Multimode , Olivia , Oscilloscope , Packet Radio , PalmOS , Pocket PC , Propagation , PSK31 , QSL , Radio Control , Radio Programming , RTTY , Satellite tracking , Shortwave , Signal Generator , Software Defined Radio , Spectrum Analyzers , SSTV , Time and clocks , Utilities , Vox and Voice tools , Weather & FAX
DX RESOURCES
Awards , Beacons , Beacon Stations , Beacon List , Call Sign search , County Hunting , DX Clusters , DX Clubs, DX News and Newsletters , DX Nets , DX-peditions , DXCC , IOTA , Log search , QSL routes , QSL Galleries , Shack rental, SOTA , Vanity call signs
OPERATING MODES
50 Mhz , Amateur Radio Astronomy , APRS , Amateur Television , Balloons , Chip64 , Digital ATV , Digital Signal Processing , Direction finding , D-STAR , Echo Link , EME, Moonbounce , Hellschreiber , International Space Station , Internet Linking , IRLP , GPS , LongWave , Meteors , Mobile , Motorcycle mobile , RV & Camping , Bicycle mobile , MFSK , Morse Code, CW , Packet Radio , PSK31 , QRP , QRSS , Repeaters , RTTY , Satellites , AO-51 , SSTV , Stealth Amateur Radio, Top Band , VHF and up, WEFAX
INTERNET & RADIO
Banners , Chat , Classifieds , Forums , Ftp sites , Gateways , Humor , Live Police Scanners , Live streaming , Mailing lists, Reflectors , More resources News Groups , Online Receivers , Pictures, Podcasts , Sounds , Video , WebCams , Web links , Web Rings , Web SDR
CB RADIO
Clubs and Organizations, Alfa Tango, Sugar Delta, India Radio, Personal Pages , CB Packet Radio, Reference , CB radios manufacturers , CB radio modifications
ANTIQUE RADIOS
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Dual 9-Element 2.5 Lambda EME Yagi Array
This project describes a high-performance EME antenna array consisting of two home-designed 9-element Yagis, each about 2.5 wavelengths long, ...
FARPN Federated Amateur Radio Packet Network
The FARPN Federated Amateur Radio Packet Network Wiki is a valuable resource for hams looking to learn more about packet radio networks. The wiki ...
Adaptation Delta Dipole 80m - Antenna Analysing
This page provides a detailed example of the modeling and analysis of an 80m delta dipole antenna with a 600-ohm bifilar feedline. The model is based ...
Folded Trifilar Antenna for 80M Band - Analysis
Learn how to design and analyze a folded trifilar antenna for the 80-meter band. Based on a description from RAF antennas between 1940 and 1970, this ...
Contesting 101: Importance of Calling CQ | OnAllBands
Join Kirk Pickering, K4RO, as he delves into the importance of calling CQ in amateur radio contesting. Learn about the debate over spotting ...
LED RF V-Probe for Radio Amateurs
Learn how to build and use an RF V-probe with better sensitivity than traditional neon lamps for measuring RF voltages on ground, chassis, and cables ...
Balanced Antenna Tuning Unit Construction - Creative Science Centre
Learn how to construct a balanced Antenna Tuning Unit (ATU) for your ham radio equipment. Follow the instructions provided by Bengt, SM6APQ, to ...
Tuned Loop Antenna for AM Broadcast Band - Build Your Own
Learn how to build a simple tuned loop antenna for the AM broadcast band to improve the performance of your radio receiver. Discover how to construct ...
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Amateur Radio News Feeds
[ARRL] - Friday December 12 2025
Solar activity reached high levels this past week when Region 4299produced an M1.1 (R1/Minor) flare on December 6. Shortly after, theregion produced an M8.1/2b (R3/Strong) flare, also on December 6.Associated with the M8.1 flare was a 1,100 SFU Tenflare, a 1,143km/s Type II sweep and a Type IV sweep. (A "sweep" is a solar radioburst that sweeps through the RF spectrum as the energy movesoutward...
[ARRL] - Friday December 12 2025
[RSGB] - Friday December 12 2025
It is with great sadness that we share the news that Dr Bob Whelan, G3PJT became a Silent Key on 4 December. Bob’s contribution to amateur radio was extensive. First licensed in 1961, his main interest was in HF/LF CW operation. In this he soon became a strong supporter of the Commonwealth Contest, operating from […]
[RSGB] - Friday December 12 2025
Are you an experienced operations leader who is passionate about delivering exceptional membership services and driving commercial growth? Or are you an advertising agent looking for a new opportunity where you can demonstrate your strong sales capabilities, excellent communication skills, and your ability to build and maintain long-term client relationships? The RSGB is seeking a full-time, highly motivated Operations Manager to […]
[RSGB] - Friday December 12 2025
Are you an experienced operations leader who is passionate about delivering exceptional membership services and driving commercial growth? Or are you an advertising agent looking for a new opportunity where you can demonstrate your strong sales capabilities, excellent communication skills, and your ability to build and maintain long-term client relationships? The RSGB is seeking a full-time, highly motivated Operations Manager to […]
[RSGB] - Friday December 12 2025
Did you know that amateur radio clubs in schools, universities and uniformed groups can affiliate with the RSGB for free? Your club will benefit from a copy of RadCom in the post each month, as well as access to the RSGB app where you can read RadCom, RadCom Basics and RadCom Plus. You’ll also get […]
[RSGB] - Friday December 12 2025
Did you know that amateur radio clubs in schools, universities and uniformed groups can affiliate with the RSGB for free? Your club will benefit from a copy of RadCom in the post each month, as well as access to the RSGB app where you can read RadCom, RadCom Basics and RadCom Plus. You’ll also get […]
[IARU R3] - Thursday December 11 2025
Japan Amateur Radio League will host the 12th AIRU Region 3 ARDF Championships at Kansai Japan from 6 to 14 November 2026 for more information please go to https://www.jarl.com/2026reg3ardf…
[ARRL] - Thursday December 11 2025
The Federal Communications Commission (FCC) on December 9, 2025, released a long-awaited Report and Order adopting a new amateur radio spectrum allocation in the 60-meter band that was approved for world-wide use on a secondary basis in the WRC-15 (World Radiocommunication Conference 2015) Final Acts. The Commission also agreed with a petition from ARRL The National Association for Amateur Radi...
[ARRL] - Thursday December 11 2025