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Products for electronic production service repair and testing -
Types of coax-cable with rf attenuator calculator, line loss calculator form includes an antenna gain calculator. This coax loss calculator can help you on choosing the right cable for your antenna sysmte. -
With all the wire you have out, you may run into a problem with static buildup on the antennas. This static may try to make its way into your receiver, causing you major problems and damage that can run into a lot of money. -
Build the Slim JIM Antenna, a unique VHF Antenna with gain over a J-Pole Jose I. Calderon, DU1ANV -
Specializing in vintage and antique speaker repair,recone and restoration. -
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My Top Five Backyard Multi-Band Wire HF Antennas. A selection of the top 5 HF wire antennas for the backyard and for multi-band operation -
Building EH Antennas at Gemran radio club station house, by Matthias DH4FAW -
Yaesu FT-2000 HF & 50 MHz transceiver review by LA5MDA -
This graphics-intensive program designs and analyzes active quadrature ("90-degree") networks for use in SSB transmitters and receivers. -
The page discusses the concept of a 2-element Parasitic Ground Plane antenna for the 40-meter band. It includes a conversation between amateur radio operators discussing modeling results and design considerations for the antenna. The author shares insights on radial configurations and the impact on antenna efficiency and pattern. -
This article is about the characteristics and use of various filters and ferrites for solving amateur radio electromagnetic compatibility problems involving breakthrough of amateur signals into domestic equipment such as television sets, video recorders stereo sytems etc. -
Third-order Cauer filters can boost performance of multi-transmitter, multi-operator contest stations to the next level. The filters are practical and you don’t need expensive test equipment to align them. -
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Japanese electronic parts online shop offer a wide range of products, from microchip pic to leds and batteries to any kind of connectors -
End-Fed Half Wave matching unit project, based on a FT140-43 with SWR plot tests made using capacitor and without. -
Magnetogram, Dopplergram Intensitygram by Mt. Wilson 150-Foot Tower Data Images -
The next generation of satellite tracking software for Windows. Free to use, need licence to save images and sessions. -
Relay substitution tutorial, power amplifier tuning and Technical Characteristics -
Modeling small 160 meter antennas, with a focus on the vertical H antenna -
Website of polish SD team. Contain many useful infos, hundreds qsls' scans etc -
The DK5YA Vhfdx Site is dedicated to the serious VHFDXer, serving the Web for more than 5 years for all of those working Aurora, Meteorscatter, FAI, EME, Tropo, TEP etc. on 50 MHZ and up. -
How to homemade a multi-band HF dipole using 100 meter of speaker wire, 2 strandsm including a homebrew 1:1 choke balun -
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Aduino-based Amateur Radio Antenna Rotator Controller that can emulate the Yaesu GS-232A or GS-232B interface by K3NG -
The Windows program for designing and analyzing PI and PI-L networks by Tonne Software -
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First Amateur Radio contest club to be organized in the state of Florida -
Photo construction manual of a portable antenna made with two heavy duty whips by buddipole. In this article has been implemented a 50 MHz portable dipole. -
Tips on winding wire coils used as inductive loads, traps, band-pass filters, are implemented in a number of amateur radio projects especially antenna projects -
70 MHz transverter, 4m band, by G3XBM -
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Meinberg NTP software to sync your computer clock. NTP client package with IPv4 IPv6 support for Windows XP and newer. -
If you're driving around town listening to the buzz and engine whine blues, pick up this free pub and help yourself enjoy the music. Includes troubleshooting techniques and helpful hints. -
Buy plastic sheet, plastic rod, plastic tubing, bar, tube and plastic film from professional plastics. buy plastic materials online -
Refurbishing a Cushcraft A3S, by George Szymanski, DU1GM -
Yaesu FTDX3000 Sound card digital modes setup using internal USB interface -
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Ham radio shop for APRS digipeaters WX3in1, RPTC, GSM devices, SDR software defined radio producrsa, APRS trackers and GPS Receivers based in Poland -
Call Book Log 3.0 is a web-based logging solution for amateur radio operators, designed for self-hosting on a web server with MySQL/MariaDB and PHP 7+ support. It provides a mobile-friendly interface for viewing, adding, editing, deleting, backing up, and restoring QSO logs. The software features a streamlined setup process, allowing users to quickly deploy a personal logging system accessible via any web browser. Key functionalities include displaying the last **5** contact dates for previously worked stations, enhancing log management by providing immediate historical context during QSO entry. The system also includes a central administrative section for authenticated users to manage log entries. The 3.0 version represents a significant code overhaul, focusing on improved performance and a more *visually appealing* user experience compared to earlier iterations. Enhancements include better pagination, a redesigned menu with icons, and color-changing rows for improved readability. The add log page now incorporates a one-click time update feature, addressing user feedback regarding time synchronization during rapid QSO entry. This iteration builds upon previous versions like 2.1, which corrected an automatic _UTC date_ bug, and 2.0, which featured a full rewrite to resolve browser quirks and optimize search functions. The software's evolution demonstrates a commitment to functional stability and user interface refinement. -
Dedicated to the RTTY contesters worldwide by DK3VN, contest rules and summaries, -
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Kenwood TS-590S features, accessories, specifications and details -
Magnetic Loop Antenna for 20/15m with Remote Tuning by George Szymanski -
QST Magazine Product Reviews - Key Measurements Summary - HF-Transceivers or Receiver and Linear Amplifiers -
