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Query: Ham
Links: 1812 | Categories: 356
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Categories
- Technical Reference > AI Ham Radio
- Software > Ham Exam
- Ham Radio
- DX Resources > Ham Radio Awards
- Shopping and Services > Ham Radio Insurance
- Shopping and Services > Ham Radio Stores
- Ham Radio > Hamfests
- Operating Modes > Satellites > Hamsat VO-52
- Operating Modes > Morse code > High Speed CW > HST Championships
- Ham Radio > Clubs > North America > USA > New Hampshire
- Ham Radio > Famous Hams
- Operating Modes > Ham Radio Balloons
- Technical Reference > Ham Radio Go Kits
- Ham Radio > Ham Radio News
- Ham Radio > Ham Shack
- Manufacturers > Ham Shack Accessories
- Antennas > 12M
- DX Resources > DX Peditions > 2013 DXpeditions
- DX Resources > DX Peditions > 2024 DXpeditions
- Antennas > 23cm
- Technical Reference > 3D Printed Projects
- Antennas > 40M > 40 meter Magnetic Loop Antennas
- Antennas > 70cm
- Manufacturers > Accessories
- Shopping and Services > Accessories
- Operating Modes > Aircraft scatter
- Ham Radio > Clubs > North America > USA > Alabama
- Ham Radio > Clubs > North America > USA > Alaska
- Ham Radio > Clubs > North America > Canada > Alberta
- Operating Modes > Internet Linking > AllStarLink
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Successful apartment operating starts with an evaluation of the location
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A collection of projects for Amateur Radio Homebrewing enthusiasts
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The SK6AW DX-Cluster provided a web-based interface for real-time DX spotting, featuring a flexible and configurable environment for amateur radio operators. It supported various display _skins_, allowed users to send spots, and integrated _e-mail and push notifications_ for alerts. The platform was designed to offer a comprehensive spotting experience, enabling users to track propagation and DX activity across multiple bands, similar to traditional _telnet clusters_ but with a modern web interface. This service, formerly hosted on dedicated servers, transitioned to a shared hosting platform before its scheduled shutdown on December 13, 2025. The decision to discontinue the cluster was attributed to a lack of resources for updating it to contemporary standards. Users seeking similar functionality are directed to alternative DX spotting services such as _dxsummit.fi_ or _dxheat_, which continue to provide real-time DX information and related features for the amateur radio community.
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How to make the Super antenna. To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band
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Over 16.7 million callsigns are indexed within the HamCall World-Wide Callsign Database, a long-standing resource for amateur radio operators. This online tool facilitates rapid lookups of callsign data, including operator details and QSL photos, which are crucial for confirming contacts and pursuing operating awards. The database integrates FCC updates as they are released, ensuring timely access to current licensing information. The platform also features a live **DX cluster** displaying recent spots across various bands, from 160m to 3cm, with specific spot counts for active bands like 15m (50 spots) and 10m (46 spots). Users can view **band activity** summaries, providing an immediate overview of propagation conditions and active frequencies. Additionally, the service provides access to a hamfest calendar and amateur radio news updates, making it a multi-faceted resource for daily operating and event planning. Since 1989, the HamCall DVD has supported this server, alongside HamCall.net Gold Memberships, demonstrating a sustained commitment to providing comprehensive callsign data.
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A digital mode decoding and terminal program that uses no terminal unit, terminal node controller, or multimode hardware. It does all its decoding using the sound card inside the computer, and it can interface with a radio using a COM port. Zakanaka is an extremely cost-effective way of operating PSK31 and RTTY
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Program that produces antenna radiation patterns and graphs for SWR, forward gain, and F/B ratios
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The Beverage antenna was invented in the early 1920s by Dr. Harold H. Beverage
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Based on HB9CV, F6ITV decribes how build a swiss quand antenna for 28 and 50 Mhz.
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Oscilloscope, Realtime spectrum analyzer, Impedance meter, RLC bridge and signal generator for Windows. Is a Windows application that converts your PC into a powerful dual-trace signal analyzer (oscilloscope, FFT etc...) . Uses your PC sound card as an Analog-to-Digital a Converter to digitize any input waveform and as Digital-to-analog Converter for the signal generator. True 24 bit adc/dac 48K/96k/192k sampes/sec.
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Calculate eh antenna components dimension with this online form
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Scanner and radio mods taken from qrz ham radio cd rom
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How High should my Dipole be? Dipole Antennas and the effect of height above ground. The effectiveness of a dipole antenna is influenced by its height above ground, determined by the intended use such as DX work, local communication, directionality, omni-directionality, and feed point impedance. Through EZNEC modeling, the study evaluates a 40-meter dipole's performance at various heights, from 7 to 560 feet. Findings reveal that lower heights enhance omni-directional local communication, while higher placements favor DX work with low-angle radiation. The study emphasizes the importance of defining operational goals to optimize dipole height and performance.
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PC sound card interfacing for RTTY SSTV PSK31, collection of interface connections to choose from when having a desire to use the Soundboard
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2 meters copper tube antenna, tested with an Icom IC-V8000
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HF receiving loop antenna, an easy-to-make receiving loop antenna for HF
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A large collection of maps of each dxcc country with general information, banknotes and coins, satellite images, flags and national information where available by SP6NVK
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The G3JVL 6 Meter ground plane vertical is a compact antenna that is ideal for portable operations. If needed, it can be disassembled into a very small bundle no longer than the longest element.
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Online computer-based training for the amateur radio written exams
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This resource, last modified in August 2000, provides a personal amateur radio web presence for N3LS Larry, focusing on homebrew project announcements and a curated list of amateur radio links. It mentions plans for 10 to 15 new homebrew projects, indicating a focus on DIY electronics construction. The page also offers guidance for aspiring amateur radio operators, including tips for obtaining study guides and links to testing practice sites, suggesting an educational component for newcomers to the hobby. The content primarily serves as a personal hub, with a strong emphasis on sharing homebrew endeavors and supporting new licensees. While specific project details are not present, the intent to add numerous homebrew projects highlights a practical application of electronics knowledge. The inclusion of study resources aims to assist individuals in preparing for amateur radio license examinations, making it relevant for those seeking to enter the hobby.
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Tthe ultimate program designed to connect you to ACARS systems around the world via the Internet
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Enter the resonant frequency for the dipole/vee antenna calculation
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Ham radio amateur radio, short wave, CB, DSP software, by VE1EXE (RIP) DSP Software eSoftAnywhere DSP & more Memorial free version.
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Instructions to build a portable dipole for 20 meters
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It is very simple to build and you can tune it in your shack room
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Programming a new VHF/UHF radio usually proves to be a frustrating experience for most new amateur radio operators. A new radio must first be programmed for simplex and repeater operation before it can be used to communicate with local hams.
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CQLog, a Windows-based logging program, provides a comprehensive control center for everyday on-the-air activities, including full-featured QSO logging and statistics for numerous awards, with support for _LoTW_ and _eQSL_ capabilities. It integrates with callsign databases like QRZ, RAC, and GOLIST, and facilitates two-way data exchange with digital mode software such as MixW2 and DigiPan. The software also supports saving up to three pictures per SSTV-QSO and integrates with DX Atlas. This logging utility offers a dedicated "contest-mode" and supports CAT systems for popular transceivers from YAESU, ICOM, KENWOOD, and Ten-Tec. Users can print QSL cards, QSL labels, and address envelopes directly from the program. Its features streamline the logging process and provide tools for award tracking, making it a practical solution for hams managing their station activities and DXing pursuits.
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Show diagrams, winding methods and tables of some 1:1 and 4:1 baluns for 1.8 - 30 MHz suitable for use up to 200W (400W peak) on systems using 50 or 75 ohm coaxial cable input where SWR should not exceed 1.6:1.
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This is the place for downloading the latest DOS version of Quickyagi the freeware yagi modeling program with auto-design & optimize.
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10 meter modification for the Ameritron AL-811 and AL-811H amplifier. This mod apply to other Ameritron AL Series RF amplifiers and allow extension to 10 and 12 meters band.
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A Mississippi Style 40 meter magnetic loop made from available aluminum conduit, this antenna will not disappoint by Ken Holland, K9FV
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Freeware MSDOS SSTV program by WB2OSZ, Automatic Calibration, Automatic Fine Tuning, Widest Variety of File Types
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To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands
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A full line dealer of new and used equipment in Evansville, IN.
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Download Kenwood's free radio control software for the TS-570 HF
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Amateur Radio Maps DOS and Windows program which contains maps of continents and countries. Not updated since 2000.
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M1IOS Wonder Whip antenna - The M1IOS Wonder Whip A 10 dollars QRP Portable Multiband Antenna for HF, VHF and UHF A variation on the Miracle Whip and Wander Wand. This antenna tuning unit will get your SWR really low on telescopic whips, mobile 3/8th antenna and long wires. A remarkable little tuner that really works!
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An easy guide to "How to build your own magnetic loop" for 20 meters
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Provides information about how to get a ham radio license, with reference links to ham radio societies.
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N1MM Logger+ is one of the most popular contest logging programs for Windows and it is the evolution of the N1MM classic. N1MM Logger plus is fully free to download and to use software featuring automatic CW generation, rotator and radio control, suport for So2R, cluster support, winkeyer interface, import export cabrillo and adif formats and many more features. Download N1MM from the official web site with latest callsign files and updated.
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Here you can find a a selections of CAT interfaces for ICOM Yaesu Kenwood.
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Pictures and plans of a 4 elements yagi beam antenna for 14 Mhz