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636 links - and 9 categories

Antennas : 6M : 6 meter J-Pole Antenna
  • 6 Meter Homemade J-Pole Antenna - A homemade j-pole antenna for six meters band, designed to work on local repeaters, and working on the 52-53 MHz. Includes a list of needed materials and detailed description on assembling the copper tubes used to build this antenna.
    [ Hits: 253 | Votes: 3 | Rating: 4.67 ]
Antennas : J-Pole
  • J-Pole Construction Drawings - Complete plan for making a 2-meter J-Pole antenna. This drawing in PDF File includes a detailed list of the parts needed to assemble the Jpole antenna for 144 MHz.
    [ Hits: 256 | Votes: 3 | Rating: 4 ]
DX Resources : Contest Calendars
  • PG7V Contest Calendar - On this calendar all major HF contests, mainly interesting for Europeans, are listed. It is also possible to get a list of contests listed by month. This calendar lists mainly HF contests, and is available also in Dutch language.
    [ Hits: 249 | Votes: 3 | Rating: 10 ]
DX Resources : Ham Radio Awards
  • BOTA Beaches on the Air - Beaches On The Air is an award scheme for radio amateurs that encourages portable operation from beaches. You can participate from any country or region around the world. Our beach lists currently contain more than 30,000 beaches and aim to be as exhaustive and objective as possible, and are often based on official sources, such as environmental protection agencies.
    [ Hits: 143 | Votes: 1 | Rating: 10 ]
Internet and Radio : Classifieds
  • HamFM Classifieds - 100% free eBay like classified listings for any ham radio operator. Search filters for distance and item category.
    [ Hits: 179 | Votes: 0 | Rating: 0 ]
Internet and Radio : Podcast
  • 100 Watts and a Wire - 100 Watts and a Wire is a ham radio talk show was originally launched as an audio podcast on June 22, 2015. Today, you can see the show on YouTube. It features topical conversation, interviews and ham radio news. You can listen anytime by subscribing wherever you get podcasts.
    [ Hits: 129 | Votes: 0 | Rating: 0 ]
Internet and Radio : Sounds
  • QSORDER - Listen to yourself - QSO Recorder Indexing service. This site allows radio amateurs to share their contest and DXpedition audio recordings, usually made with the N1MM Logger+ and the Qsorder plugin
    [ Hits: 174 | Votes: 2 | Rating: 10 ]
Manufacturers : Towers and Accessories
  • MSL - Mechanical Systems Lehmann - Telescopic Masts and Towers - Specialist for vertically adjustable supporting frameworks including telescopic masts and telescopic towers for ham radio systems, lighting systems, measurement techniques, observation systems. Located in Gnaschwitz Germany
    [ Hits: 201 | Votes: 0 | Rating: 0 ]
Operating Modes : Morse code : Learning Morse Code
  • Recognition of CW signs at different listening levels and frequencies - The recognition of telegraphy masked by noise at 40 and 80 signs/min telegraphy speed was studied in 10 normal-hearing subjects at different sound pressure levels (25-85 dB SPL in steps of 5 dB) as well as at different test frequencies (2000, 1000, 800, 630, 500 and 250 Hz). The ability to recognize the signs varied with varying SPL. Recognition for most of the subjects was best at an SPL close to 70 dB. All subjects improved their recognition as the frequency was lowered to 500 Hz, some even at 250 Hz. These facts should be taken into consideration when training telegraphy operators as well as in the construction of radio receivers to permit listening at low frequencies. Furthermore, the critical ratio was calculated at the different test frequencies.
    [ Hits: 81 | Votes: 1 | Rating: 7 ]
  • Learn Morse Code by GW6ITJ - A multi section article on learning the morse code for beginners. The article include a list of tips the author consider to be uesful when someone want to begin the trip to learn the morse code.
    [ Hits: 166 | Votes: 1 | Rating: 10 ]
Operating Modes : Satellites : QO-100
  • OSCAR-100 WebSDR - This WebSDR, hosted at Goonhilly Earth Station in Cornwall, enables you to listen to the Qatar OSCAR-100 Narrow band transponder onboard the Es'hail-2 satellite.
    [ Hits: 604 | Votes: 3 | Rating: 5 ]
Operating Modes : Weak Signal
  • GPS time sync for modern digital modes - As FT8, JT65 and JT9 are a time synchronized protocol, one soon discovers that an accurate PC clock is very important. If your workstation time is off it can cause you to send when no one is listening, or to listen when no one is sending.
    [ Hits: 445 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Icom IC-7610
  • ICOM IC-7610 review by PD9Z - PD9Z reviews the ICOM new IC-7610 with a list of surprising features he has found on this transceiver. Signal reception performances are one the mosto valuable features found on this high-end RTX by ICOM. Along to his review you can access several other resources related to the IC-7610 including manuals, tips and tricks, videos, and configuration settings to be implemented in order to be used with Heil Sound headsets.
    [ Hits: 227 | Votes: 2 | Rating: 9 ]
Radio Equipment : HF Transceivers : Yaesu FTDX101
  • Yaesu FTDX101 - Official Yaesu.com - The Official page of the FTDX101 on the Yaesu.com website, includes full description, PDF brochures, official english manuals, complete accessories list and direct link to Yaesu software download for this radio
    [ Hits: 198 | Votes: 2 | Rating: 5.5 ]
Shopping and Services : Batteries
  • Battery Specialists - Battery Specialists is the wholesale supplier of batteries.
    [ Hits: 79 | Votes: 0 | Rating: 0 ]
Shortwave Radio : Numbers stations
  • How to Listen to Real Spy Broadcasts - Encrypted messages, fancy technology, spies use them all to communicate, but sometimes the best way to hide is in plain sight. Right now, broadcasting across the airwaves around the world, are automated, anonymous shortwave AM radio stations that most governments won't acknowledge even exist, much less explain
    [ Hits: 243 | Votes: 1 | Rating: 1 ]
Software : Audio Streaming
  • remoteAudio - audio streaming application - remoteAudio is an multi platform Audio streaming application for Amateur Radio purposes. The most typical use case for this software is the remote operation of an amateur radio station. remoteAudio supports multiple users and multiple audio sources. At any time multiple clients can listen simultaneously on the same radio, although remoteAudio only allows one user to transmit.
    [ Hits: 528 | Votes: 2 | Rating: 5.5 ]
Software : Circuit Design
  • TinyCAD - TinyCAD is a an open source program for drawing circuit diagrams which runs under Windows. TinyCAD is a program for drawing electrical circuit diagrams commonly known as schematic drawings. It supports standard and custom symbol libraries. It supports PCB layout programs with several netlist formats and can also produce SPICE simulation netlists.
    [ Hits: 134 | Votes: 1 | Rating: 10 ]
Software : Weak Signal
  • GridTracker - GridTracker listens to live traffic from WSJT-X or JTDX and displays it on a map. It can also load ADIF log files, load clublog, lotw, hrdlog.net and other sources to diplay your logbook statistics and map your QSOs. GridTracker is a free application for windows Linux and MacOS.
    [ Hits: 194 | Votes: 1 | Rating: 10 ]
Technical Reference : Receivers
  • A 3.5MHz Receiver for SSB and CW - Homemade receiver for 80 meters band. The receiver works very well (in fact better than some of its successors), especially the AGC makes listening to 80m QSOs a real pleasure. Sensitivity is not cutting-edge, but on a full-size short-wave antenna it is by fare sensitive enough.
    [ Hits: 248 | Votes: 2 | Rating: 6.5 ]

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