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Windows and MacOS programming software for the ICOM IC-7000
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The simple dipole is perhaps the best antenna for consistent performance. Basic page on dipoles by G3PTO
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Learn a little bit about how duplexers work and building your own.
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A project to build a cross band repeater using a pair of Baofeng UV5R handheld transceivers.
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This article describes the design of an antenna for local contacts on 7MHz, including a simple and efficient matching system that presents a 50 ohm load to the transceiver.
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Information about the BDXC and how to join, including a club-compiled list giving time and frequency details for all English language dx and media programmes
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Build the Moorabbin, a regenerative receiver for the AM broadcast band by Peter Parker VK3YE
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Tower and antenna rotation equipment, insulators, rotor control cables, ancillary products
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Vintage and reproduction electronic parts specialist - Antique radio dials and knobs, 1940-1970 era phonograph cartridges, needles, idler wheels.
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It's a whole new way of preparing for the government FCC License examination. The classroom is your home.
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Compiling an extensive collection of technical information, the Repeater Builder's website serves as a critical resource for those involved in amateur and commercial repeater systems. It covers a broad spectrum of topics essential for the design, construction, and ongoing maintenance of these vital communication hubs, drawing from years of practical experience in the field. The site provides detailed insights into various aspects of repeater technology, including specific information on VHF and UHF bands, such as 2-meter systems. Users can find data related to repeater logic, control systems, and interfacing with other radio infrastructure, all presented with a focus on practical application. Authored by Kevin Custer, W3KKC, the content reflects a deep understanding of repeater operations and engineering, offering guidance that extends beyond basic setup to advanced troubleshooting and optimization.
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A small magnetic loop ready for a hand held walk and talk operation by PY1AHD
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Open source libraries and utilities to support using digital signatures for Amateur radio QSL system information like eqsl and lotw. Available for windows macos e linux.
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Packet radio terminal program for win 3.1 and above, WinBox is a modified version of WinGT for cb radio usuage
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Now home to over 1,000 radios and transmitters dating from the spark era up to.
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Home page of the Dallas Amateur Radio Club, located in Dallas, Texas. The DARC is one of the oldest clubs in the country, founded in 1914.
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This article describes how to use a phone line as a shortwave receiving antenna, but be carefull telephone lines present a potential shock hazard, use at your own risk
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Portuguese page, from VLF to some GHz, antennas, projects, EME, NDB DX and more.
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Satellite Tracking and Orbit Propagation, Reports and Mission Planning Products, Pass Scheduling and Orbit Event Analysis, Dynamic Communications Link Modeling, 3-D Visualization of Complex Scenarios User Defined Regions and Contours, Constellation and Formation Flying Support, Global Positioning System Coverage
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Register of Radiocommunication Licences - Australia, let you seatch for VK amateur radio callsigns and licences.
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Circuit of the Kenwood IF-10D interface for the TS-50 transceiver.
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Preamp & Power Amp By Alkberto, I0XGR
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MDARC has a membership of over 300 dedicated hams and is one of the largest amateur radio clubs in California.
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How to use packet radio using the WindowsCE operating system
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Live space weather and propagation data, in RSS (XML) format.
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A project for a balcony antenna that works on 7 10 14 MHz made by 2 PVC tubes coiled with insulated copper wire, a solution for restricted lots.
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Police and Security Broadcasts at Harvard University, Boston-Area University Police Radio. Cambridge; Boston.
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The following are the opinions expressed by various amateurs
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This 1:49 transformer is used with wires any multiple of 1/2 wavelength. This is not a matching network, it's a wideband transformer and it has some advantages compared to LC matching
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K6AER Yaesu FT-2000 review on eham
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Electronic kits, modules, devices and cases, transformer, boards, electronic accessories
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A shortened 7 MHz Dipole antenna as described by Ken GM4JMU in Sprat 74.
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Power supply from 3 to 30 V with an L200 IC by dl5dbm
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JG2KJU collect brochures and catalog of vintage radios, including kenwood yaesu icom standard national nec star ten-tec and many more
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Premier OEM of portable tower systems, Communication-Site-on-Wheels (COWs), heavy-duty fixed foundation telescopic structures commercial and military, worldwide sales and leasing
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