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Valley Radio Club Oregon USA -
Serving Henry,Knox,Stark,Rock Island, Mercer, Lee, Warren,Peoria,Bureau,Tazewell,Woodford,Marshall, Fulton, counties in Illinois and Scott county in Iowa. -
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Dallas County REACT, Inc., is a nonprofit organization of citizens interested in radio communications and committed to public service. -
The DXCC World Map web application is a modern and interactive mapping tool designed for shortwave radio enthusiasts. It showcases a high-quality world map along with the Sun's position, sunrise and sunset times, the terminator, coordinates, QTH locator, azimuth, azimuth map, current DXCC list, Aurora, and WWV Geophysical Alert Messages. Additionally, it provides the SFI, X-Ray, Kp, and Ap indices. -
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Makers of SkyPiRx and SkyPi-40 anateur radio kits and SDR for Raspberry Pi -
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Test and measurements equipment, hp hewlett packard wavetek wandel goltermann wandel -
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Christians of Idaho Amateur Radio Club, Inc. -
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Maker of bladeRF usb superspeed SDR Software Defined Radio -
Personal web page with some electronic projects like rotator controler AVROT, SWR Mega meter and personal amateur radio information -
Operating pedestrian mobile by G3XBM -
Over 1900 ARISS school events have been conducted since 2000, facilitating amateur radio contacts between students and ISS crew members. This resource details the Amateur Radio on the International Space Station (ARISS) program, outlining scheduled contacts, operational procedures, and application processes for educational institutions worldwide. It lists specific upcoming contacts, such as those with Lewis Center for Educational Research in California and Vauban, Ecole et Lycée français de Luxembourg, typically operating on a 145.800 MHz downlink frequency. The content also provides crucial guidelines for radio amateurs, emphasizing the importance of not interfering with scheduled school contacts and utilizing the crossband repeater for general QSOs when available. It clarifies crew availability for casual contacts, noting that astronauts are usually free during personal time, approximately one hour after waking and one hour before sleeping, and often on weekends. Constraints on scheduling, such as avoiding EVA weeks and specific crew rest periods, are also detailed. Furthermore, the resource includes historical statistics on direct versus telebridge contacts, QSL information, and links to related ARISS, AMSAT, ARRL, and NASA websites. It also provides information on applying to host an ARISS contact for schools and youth organizations in various regions, including the United States, Europe, Africa, the Middle East, Canada, Central and South America, Asia, and Australia. -
ICOM blog article on how to remotely control your ICOM transceiver using the Icom RS-BA1 Internet Protocol (IP) Remote Control Software supporting most of recent ICOM HF transceiver products -
Get involved with 70cm Earth Moon Earth communications it is easier than you think, EME promotional Flier -
Describes IK1ZYW 10m beacon running QRSS -
A Kenwood TM-D710A microphone (Model MC-59) is producing crackling and intermittent, poor audio so John took a peak inside to have a look around. -
Pagina dedicada ao radioamadorismo, montagens eletronicas, projeto, faça você mesmo, vhf, uhf, satelites e muito mais -
RF amplifier products from NP Technologies, Inc. encompass a wide array of specialized designs, including highly linear Class A broadband amplifiers, crucial for maintaining signal integrity across various frequencies. Their portfolio also features cell band amplifiers, specifically engineered for cellular communication infrastructure, and pulse amplifiers, which are vital in applications requiring high-power, short-duration signal bursts. The company's manufacturing capabilities extend to AM and FM broadcast amplifiers, supporting radio transmission systems, and military VHF amplifiers, designed to meet rigorous defense specifications for robust and reliable communications. NP Technologies, Inc. emphasizes comprehensive development, design, manufacturing, and testing processes for all its RF amplifier offerings. This integrated approach ensures that each product, from initial concept to final deployment, adheres to stringent performance and reliability standards. The company's expertise in these areas allows for the creation of custom solutions tailored to specific client requirements, addressing complex RF challenges in diverse operational environments. Their product range demonstrates a commitment to serving multiple sectors, including commercial broadcasting, telecommunications, and defense. The focus on specialized amplifier types underscores their technical depth in RF engineering. -
SEAARCis located in Medicine Hat, Alberta -
How to make your HT last for days and get out like crazy -
Traveling Wave Tubes , Conventional Traveling Wave Tubes, Microwave Power Modules manufacturer -
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This is the official site of the alabama qso party.these pages contain information about the 2005, 2006 and 2007 alabama qso party rules, information and results. -
Amateur radio shop and Yaesu dealer in Hungary -
This site is about Amateur Radio Clubs in our general area. We are here to promote Ham Radio and the Clubs in South Carolina that do the same. -
An experimental prototype of an asymmetrical hatted vertical dipole antenna that can work on HF bands 20 to 10 meters band. The AHVD Vertical dipole is an upside-down T design -
Comprod Communications specializes in the design and manufacturing of RF communication solutions, including a comprehensive range of antennas, duplexers, multicouplers, and combiners. The resource details their product categories, which encompass base station antennas, mobile antennas, transit antennas, and disguised antennas, alongside mounting solutions and in-building systems. It highlights the company's 40-year history in adapting offerings to client needs and anticipating industry trends, emphasizing product durability and low maintenance for harsh environments. The company's offerings are presented as high-quality, designed to withstand extreme conditions from Arctic cold to equatorial heat and humidity. The site mentions solutions and technical sales support, training, and site analysis and system design as part of their service portfolio. It also references being a market leader trusted by over 1,000 customers worldwide, positioning itself as a partner for RF communication needs. -
Putting the X7 at Science Festival 2004 -
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This antenna was conceived mainly for high-speed digital transmission via satellite. The antenna is made of two full waves loops , mounted at right angles to each other. Then coupled together, 90 degrees out of phase over a horizontal circular reflector. With this configuration the antenna is omni directional and circularly polarized. -
The purpose of this article is to provide radio amateurs with enough background information to understand the technical challenges involved in small-station digital EME on the 144 and 432 MHz bands. -
A QRSS beacon on 30 meter band project wind and solar powered based on a loop antenna. -
VHF + multi-multi contest station from EM31 in East Texas -
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NFM (for Noise Figure Meter) is a software application to assist Noise Figure measurement. NFM implements the method of Agilent application notes AN 57-1 and AN 57-2 for noise figure measurement, but with the addition of an adjustable attenuator after the noise source and between the DUT and instrument. -
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Listing of North American Class 1, industrial,short line, tourist and transit lines. Includes a listing of all the frequencies sorted numerically. -
Kenwood TS-950SDX ESSB audio mods by voodoo labs -
Instructions on how to install the Yaesu DVS 6 option module into a Yaesu FTDX 3000 -
Single antenna with multiple polarization for diversity, diveristy receivers and propagation effects on signal polarization -
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DX and IOTA Calendar. Upcoming DX IOTA Expedition on DXNews.com DX calendar page -
