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- Ham Radio > Blogs
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- DX Resources > DX Peditions > 2011 DXpeditions
- DX Resources > DX Peditions > 2012 DXpeditions
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- Software > Log Analysis
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- Internet and Radio > Pictures
- Technical Reference > Repeater > Repeater Maintenance
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- DX Resources > Ham Radio Awards > WorldWide Flora and Fauna
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A complete list on Long Beach Frequencies. Long Beach Police Penal Codes, and Police 10 Codes
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This project outlines the construction of a 3-element reversible quad antenna specifically designed for the 40-meter band. The materials required include pushup towers, pressure-treated posts, insulated wire, and various electrical components such as relays and a balun. The construction process is straightforward, beginning with the installation of the posts in a straight line, followed by the assembly of the antenna elements and their elevation to the desired height. The antenna's design allows for directional signal reception, making it ideal for operators looking to enhance their communication capabilities on the 40-meter band. The project includes detailed instructions on tuning the antenna for optimal performance, ensuring that operators can achieve the lowest SWR possible. Additionally, the design can be adapted for other bands by extrapolating dimensions, providing versatility for amateur radio enthusiasts. Overall, this reversible quad antenna project is suitable for both beginners and experienced operators, offering a practical solution for improving signal strength and directionality in 40-meter communications.
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The TU2T DXpedition log provides a critical resource for verifying contacts made during the 2011 operation from _Ivory Coast_. This online tool allows operators to quickly confirm their QSOs, which is essential for QSLing and award applications. Users can typically search by callsign, date, or band to locate specific entries, ensuring accuracy for their personal logbooks. Such online logs are indispensable for DXers pursuing awards like **DXCC**, as they offer immediate confirmation of rare or distant contacts. The ability to verify a QSO without waiting for a physical QSL card significantly streamlines the award application process. This particular log facilitates the confirmation of contacts with the TU2T operation, a highly sought-after entity.
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Contest adjudication software scores Cabrillo logs. Auto evaluates up to 2000 logs with duping, claimed score, actual score, cross checking, N-QSO rule, 5-min delta QSO rule. Support including code changes, non-scoring logs troubleshoot and summary output requests.
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List of mods for the ICOM IC-7000 with many PDF Files
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Antenna was designed for SO-50 satellite operation but can be used for any VHF/UHF activity. It's a mix of a Moxon Antenna and a Yagi antenna. It has gains 4 dBd on 2m and 6.5 dBd on 70cm bands and it is fed via single 50 Ohm cable.
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The Bundesnetzagentur's online tool provides a direct interface for searching **German amateur radio callsigns**, enabling users to retrieve specific details associated with licensed operators. The system utilizes a web-based form where users input a callsign to query the official German amateur radio database. This resource is built on Microsoft Visual Studio .NET 7.1 with Visual Basic .NET 7.1, indicating a mature and stable backend for data retrieval. This callsign lookup service facilitates rapid verification of German stations, which is particularly useful for **DXers** confirming contacts or for contesters needing to cross-reference logs. Unlike broader international callbooks, its focused scope on German licensees ensures high accuracy and direct access to official data. The tool's simplicity and direct functionality make it an efficient utility for any amateur radio operator interacting with German stations.
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A wire yagi antenna model, easy to build, made using inverted vee elements and requiring just one support by ve3vn
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The ZS6BKW wire antenna, a variant of the G5RV, utilizes a specific 13m (42.6 ft) length of 450-ohm window line as its matching section, feeding a 28.5m (93.5 ft) flat-top element. This design aims for lower SWR on 40m, 20m, 17m, 12m, and 10m compared to a standard G5RV, often achieving SWR values below 1.5:1 on these bands without an antenna tuner. The feedpoint impedance transformation provided by the window line allows for direct connection to 50-ohm coax on multiple bands. F4FHH's experience involved constructing the ZS6BKW and evaluating its performance against an _OCF dipole_ (Off-Center Fed) on various HF frequencies. The article includes observations on SWR readings and operational effectiveness, highlighting the ZS6BKW's suitability for multi-band operation. The antenna's overall length, including the flat-top and window line, is approximately **41.5 meters** (136 feet), making it a significant wire antenna for fixed station use. Comparative analysis with the OCF dipole provided practical insights into the ZS6BKW's advantages and limitations, particularly concerning bandwidth and tuner requirements.
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An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS
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Remote HF - VHF - UHF radio station using TS-2000 and remoterig devices
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2 element reversible verticals, small footprint, big results.
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A comprehensive collection of DX information consisting of news, audio files, station profiles, equipment articles, discussion forum, DXpedition reports and logs for mediumwave, shortwave and FM DXers.
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Search for your call in many of the logs hosted online, also contains links to other logs on the internet.
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A monoband end-fed half wave for 10m, 20m or any other HF band, includes a PDF with detailed information to build your own monoband or multiband antenna
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A simple beam antenna offering good performances on 3 bands by 9m2mso
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VQLog 3.1 - 782 is a shareware logbook program designed for Windows operating systems (95, 98, NT, 2000, ME, XP, Vista, 7, 10, or later), supporting resolutions of 800x600 or higher. It can also operate on macOS and Linux via virtualization software like Virtual PC for MAC, Oracle VirtualBox, or VMware. The software facilitates QSO access by date, callsign, prefix, square, DXCC, and other parameters, offering robust import capabilities for ADIF, Cabrillo, and ASCII files from various contest and logbook programs. Key features include comprehensive award tracking for DXCC, WAZ, WAC, WPX, WAS, IOTA, TPEA, DIE, VUCC, 100EACW, and up to 30 user-defined awards. It generates customizable summaries and graphical statistics for QSO activity, DX contests, Most Wanted Squares (MWS), propagation openings, and prefixes. VQLog supports DX-Spot reception and processing from DX-Cluster and PSK-Reporter with programmable warnings, integrates with callbook services like QRZ.COM and Buckmaster's CD, and offers online lookup. Electronic QSL and log upload support extends to LoTW, eQSL.cc, Clublog, and DXMAPS, with real-time updates for online logs. The program provides extended QSO information for VHF-DXers, including separate TX/RX frequencies, start/end times, propagation modes, and specific entry fields for MS, EME, and Tropo. CAT support for rig control and interfaces with ARSWIN and PstRotator for azimuth/elevation control are also included.
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PD0AC blogs post about the Yaesu VX-3 handheld transceiver
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This is a 200 Watt PEP step up transformer for end fed full and half wave antennas without radials, designed as a 200 Watt PEP
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Here you will find broadcast, pirate, and clandestine information including loggings, QSLs tips, and last-minute news
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SH5 is easy to use contest logs analyzer which creates a variety of HTML statistics from the Cabrillo format log generated by most popuplar contest log software (N1MM Logger+, Win-Test, Writelog, TR4W and others). SH5 allows you to upload contest results to your web site.
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A three element wire yagi antenna for 7 MHz project plan with drawings and EZNEC model
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Detailed picture of a FT-857D backpack by YO3HJV
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A multi-mode QRP radio beacon built around the Arduino. This radio propagation beacon transmitter project is presented by M0XPD
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An 85ft wire fed against a 17ft counterpoise that works well in 80 and 40 meters
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Here you will find broadcast, pirate, and clandestine information including loggings, QSLs tips, and last-minute news.
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A 1:1 current balun that offeres a almost flat swr curve from 1 to 30 MHz
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The Icom IC-7300 is a popular HF transceiver among amateur radio operators, known for its advanced features and performance. This modification guide focuses on enabling extended transmission capabilities, specifically for MARS and CAP frequencies. The instructions are based on the work of PA2DB and include detailed steps for removing specific diodes to unlock additional frequency ranges. Before proceeding with the modification, users are advised to take necessary precautions, such as ensuring the radio is powered off and using ESD protection. The guide emphasizes the importance of using appropriate soldering techniques and tools to avoid damaging sensitive components. A video demonstration is also provided to assist users visually in performing the mod. While this modification can enhance the functionality of the IC-7300, it is crucial to note that it may void the warranty and should be undertaken at the operator's own risk. The guide serves as a valuable resource for those looking to expand their operating capabilities with this versatile transceiver.
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Setting up a Raspberry Pi as a SDR Server with RTL-2832U USB dongle
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A multiband quarter wave vertical antenna that works on 5 bands.
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Antenna experiment - Delta Loop for 7 Mhz band by AG1LE
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A site for Amateur Radio beginners and enthusiasts in Malaysia
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G0KYA's Amateur Radio Blog, make a 2m Slim Jim antenna out of 300 Ohm ribbon cable.
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A 10 meters band Slim Jim antenna project, made with a 450 Ohm slotted ribbon cable and secured on a 8 m fishing pole, by Steve G0KYA
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Here you will find any useful downloads for IC-7000. Manuals, video clips, reviews, brochures
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Some printable logbooks or logsheets, made to use whilst operating portable. Download free PDF files in landscape and portrait A4 Format.
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The Maik Uniform France website, established on March 27, 2000, serves as a central hub for French CB radio operators interested in DXing. It provides a platform for sharing DX news, logging contacts, and distributing relevant software tools. The resource caters to various CB DX groups, including Papa Alfa Tango, Wisconsin Michigan, Charly Tango, Oscar Sierra, Big Time Operators, WAC Club, Azteca DX, and TX&RX Group, fostering a community around long-distance CB communications. This online presence facilitates the exchange of operational information and resources among CB enthusiasts. While primarily in French, an English option is available. The site's content structure supports the practical application of CB DXing by centralizing information on recent DX activity and providing utilities, thereby assisting operators in improving their DXing capabilities and staying informed about the CB DX scene.
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A club project experiment about a vertical Moxon antenna for 20 meter band
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Presents the design and performance of a 4-element wire Yagi antenna for the 40-meter band, building upon VE3VN's earlier 3-element switchable wire Yagi. The resource details the antenna's evolution, highlighting the transition from a 3-element to a 4-element configuration and the resulting improvements in gain and front-to-back ratio. It provides specific insights into the antenna's construction and expected operational characteristics. VE3VN shares insights from field results, noting the antenna's performance on 40 meters. The discussion includes the antenna's pattern and matching characteristics, crucial for any DXer or contester looking to optimize their signal on this popular HF band. The author's experience with the previous 3-element design informs the enhancements made to this 4-element iteration. The article includes a visual representation of the antenna's current view, offering a practical perspective on its physical layout. It serves as a valuable reference for hams considering a directional wire antenna for 7 MHz operations, demonstrating a practical approach to achieving enhanced directivity and gain.
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Arduino uno universal VFO/BFO with Si5351 and TFT touch screen for BITX like txcvr
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An home made SWR meter for 2.4 GHz. A DIY SWR meter that allow precise measurements and calibration of any WiFi antenna. This is test equipment everyone who build wifi antennas should have in their shack. Article is in french and include some videos.
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Description of the 80m antenna used at CN2WW in the ARRL-DX CW 2007
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