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Query: ios
Links: 555 | Categories: 22
Categories
- Shopping and Services > Antique Radios
- Antique Radios
- Technical Reference > CB Radios
- Shortwave Radio > Broadcasters > Clandestine Radios
- Technical Reference > HF Radios
- Shortwave Radio > Broadcasters > Offshore Radios
- Shortwave Radio > Broadcasters > Time Signal Radios
- Technical Reference > VHF Radios
- Manufacturers > Transceivers > CB Radio
- Shopping and Services > CB Radio Stores
- Internet and Radio > Classifieds
- Ham Radio > Clubs > Contest Clubs
- Manufacturers > Digital Mobile Radio
- Software > iPhone > DX Cluster
- Antennas > Handhelds
- Shopping and Services > Marine Radio
- Antique Radios > Parts and Tubes
- Technical Reference > Software Defined Radio > RTLSDR
- Shopping and Services > Scanner stores
- Antique Radios > Schematics
- Radio Equipment > VHF-UHF Handhelds
- Radio Equipment > VHF-UHF Mobile
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Amateur Radio, Citizen's Band Radio, Commercial Radio, General Electronic items, Marine Radio, and Short Wave Radios.
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German Ham radio dealer for hf radios by Icom Yaesu Kenwood Alinco and Alan
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D-RATS is a small application designed to provide data communication capabilities with D-STAR radios. It supports text chatting, file transfers, position reporting and mapping, and much more! It is written in Python using GTK to run on multiple platforms.
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We specialize in restoring family heirlooms, Grandma's and Grandpa's old radio, Mom and Dad's special set, and the radios you enjoyed as a child!
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A.R.C. The National Publication For Buyers And Sellers Of Old Radios And Related Items--Published Monthly
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The Radio Attic serves as a dedicated online marketplace for **antique radios**, offering a platform for enthusiasts to buy and sell vintage communication equipment. The site features classified advertisements, each displaying full-color photographs of the radio, a detailed description, and a direct link to the seller's email address. This structure facilitates direct communication between buyers and sellers, as transactions are handled independently, not by the webmaster. Listings are categorized by style, manufacturer, and year of manufacture, including models from Admiral, Airline, Atwater Kent, Crosley, Emerson, Fada, General Electric, Philco, RCA, Silvertone, and Zenith. The platform also tracks new additions, with 49 radios and 6 books added in the past 30 days, and highlights recently sold items, totaling 157 radios this year. Beyond sales, the site provides resources like a price guide and information on upcoming swap meets, such as the Southeastern Antique Radio Society's Spring Swap Meet in Forsyth County.
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Wire antenna for 10-15-20-40-80 meters band, with many drawings and description in spanish
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WB8FSV's guide demonstrates essential techniques for new CW operators to initiate and manage Morse Code contacts on the amateur bands. Jack Wagoner shares his extensive experience, offering practical advice on locating stations, responding to CQs, and initiating your own CQ calls. The resource explains how to effectively manage QRM and QRN, utilize common CW abbreviations and Q signals, and accurately log QSOs using GMT/UTC. It also addresses common operational challenges such as zero beating, dealing with one-way skip propagation, and gracefully concluding a contact. Wagoner includes a detailed site map outlining sections on learning the code, operating techniques, and specific scenarios like tail-ending a QSO or breaking into ongoing conversations. The guide emphasizes the importance of proper spacing in Morse Code and suggests techniques for increasing code speed, such as the Farnsworth method of listening to faster CW with extended pauses, and engaging in on-the-air contacts. It also touches on equipment considerations like the utility of dual VFOs and different keyer types, drawing from real-world operating scenarios on bands like 40 meters CW.
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Freeware real time DSP filter particularly for applications of amateur radios , IIR, FIR filter, low-pass, high-pass, band-pass filter, band suppressor (notch filter) individually adjustable
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Excellent guide to using ferrite cores for interference suppression. Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File
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Operating as a long-standing dealer for amateur radio gear, Advanced Specialties Inc. provides a range of equipment from major brands like Yaesu, Uniden, Alinco, and Icom. Their inventory includes HF, VHF, UHF, and 220 MHz transceivers, along with a wide selection of antennas such as ANLI, Comet, Hustler, and Opek for base, mobile, and portable operations. The store also stocks essential accessories like antenna tuners, dummy loads, programming software, cables, connectors, coax, microphones, batteries, chargers, and 12V DC power supplies. Beyond ham radio, Advanced Specialties caters to scanner enthusiasts with models like the Uniden SDS100/SDS200, Whistler TRX-1, and Bearcat digital scanners, covering APCO, DMR, and PL/DPL frequencies. They also carry Citizens Band (CB) equipment, including mobile and base station radios from President, Cobra, and Galaxy, along with 10-meter radios and related accessories. The business maintains a physical retail location in Long Beach, NY, and an online presence through an Amazon store, offering both in-person and online purchasing options. Customers can find repeater directories and ham license study guides, indicating a commitment to supporting the broader radio hobbyist community. The store emphasizes its role as a regional hub for radio communication sales in the NY/NJ area, providing a diverse selection for various radio interests.
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Version 1.4.6 of _AAVoice_ functions as a digital voice processor for amateur radio, designed to operate on Windows platforms from 9x through 10. This software leverages pre-recorded WAV files for transmission, allowing operators to send pre-defined messages or calls efficiently. Its core functionality includes PTT control, which can be managed through a simple circuit connected to a COM port, providing a reliable interface for radio keying. The program offers extensive macro capabilities, streamlining repetitive transmissions during contesting or DXing. It also features direct integration with the _AALog_ logger, enhancing workflow for those using DXsoft's suite of tools, and can interface with other compatible programs via its COM-interface. Author Alexander Anipkin designed _AAVoice_ to require a working sound card, and it comes with a basic set of sound files. Users can easily create additional WAV files using standard Windows sound recording utilities, ensuring flexibility in customizing audio content for various operating scenarios.
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Linking VHF and UHF radios and repeaters around the world using a secure Voice-Over-IP system, with no hackers!
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This is a picture of a schematic diagram of a multifunctional interface for Yaesu FT-8x7 Series Transceivers. It will work for Yaesu radios like FT-897 FT-857 FT-817
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Old Time Radios ! a good resource to old time-radio amataurs
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"Sells high voltage film and electrolytic capacitors for antique tube radios. Carries 630 volt metal-film, metallized and mylar film capacitors as well as electrolytics. Also has ""capacitor"" tips for antique radio restorations."
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Argo, developed by I2PHD and IK2CZL, functions as a specialized freeware viewer for various weak signal modes, specifically MTHELL, Slow CW, QRSS, and DFCW. It processes audio input to visualize and decode these extremely low-speed transmissions, which are often imperceptible to the human ear. The software's capabilities extend to EME (Earth-Moon-Earth) operations, where its sensitivity to weak signals is particularly advantageous for detecting faint lunar reflections. The application provides a visual representation of the received signals, allowing operators to discern patterns and decode information from signals buried deep within the noise floor. Its design focuses on extracting data from signals with very narrow bandwidths and long integration times, characteristic of QRSS and similar modes. This tool is distinctively useful for experimenters and DXers engaged in challenging weak signal communication, offering a dedicated platform for modes not typically supported by general-purpose digital mode software. Its specialized focus on _Slow CW_ and _MTHELL_ makes it a niche but effective utility for specific operating scenarios.
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Yahoo! group FT897. This group is dedicated to the discussion, operation, and application of the Yaesu FT-897 FT-897D amateur radios.
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Radio Scanners Uniden Bearcat, Antennas, CB_Radios, Ni-Cad Batteries, Frequency Books, Accessories, Power Supplies and Cords, FM Two Way Radios, and other Related Merchandise
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Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.
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Signals Analyzer it's a a program, which is designed for the very qualitative analysis of different signals. The one of main fields of SA application is the analysis of unknown or unclear, strange signals. This programm will be very usefull to everyone from professional analysts to amateurs.
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QTH.COM offers a comprehensive platform for amateur radio enthusiasts to buy, sell, and trade equipment. This online service is designed to facilitate transactions between hams, allowing users to list their gear for free. Whether you're looking for HF or VHF equipment, antennas, or even vintage radios, QTH.COM serves as a hub for all your ham radio needs. The site is user-friendly and accessible, making it easy for both seasoned operators and newcomers to navigate the listings. In addition to individual sellers, QTH.COM also attracts dealers and manufacturers looking to reach a wider audience. With a diverse range of categories, including military radios and radio tubes, users can find unique items that may not be available elsewhere. The platform's commitment to providing a free service ensures that all hams can participate in the marketplace without financial barriers. Join the community at QTH.COM and discover the best deals in the ham radio world.
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Data Management for the RadioShack PRO-95 Trunking Scanner
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A-1 Telecom is a wholesale distributor for CB radios and accessories. We also have many other consumer electronics.
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the European equivalent of the Family Radio Service (FRS) in the U.S. and Canada, FRS/PMR? Why 2 standards?, What PMR radios exist? And how much do they cost?
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The programming cable is intended to be used with a computer RS-232 port for programming radios and other devices.
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A 40-meter reversible _Moxon rectangle_ antenna project details its construction and performance, featuring 51-foot long sides and 7.7-foot turned-in sections. The design incorporates a 16.5-foot boom, with elements spaced 1.1 feet apart, constructed from #14 covered wire. It utilizes two double-pole relays for switching between NE and SW directions, achieving F/B ratios up to 40 dB on CW and 30 dB on SSB, with distinct reflector stub settings for each mode. This antenna replaced a full-size 2-element Yagi, demonstrating comparable forward gain while offering superior F/B ratios and directional flexibility. _EZNEC_ modeling indicates only 0.2 dB less forward gain than the Yagi. The system uses no baluns, relying on half-wave feedlines and switched stubs for impedance matching. The antenna is tree-supported at 45 feet, with its effective radiation height modeled at 80 feet due to local terrain, enhancing its performance over a nearby lake.
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Comparison chart of most popular VHF UHF amateur radio transceivers
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Mirko Pelcl's extensive radio collection features numerous historical transceivers and receivers, with a significant focus on military communications gear. The collection includes notable examples such as the Wireless Set No. 19, various Cold War-era military radios, and even a rare WWII spy radio utilizing a Loewe 3NF tube. Visitors can explore detailed sections dedicated to sets manufactured before 1945, including those used for military exchange, and a separate category for post-1945 radios, particularly those from the former Yugoslavia. The site also delves into specific modifications, like a digital head conversion for the RU-20, and showcases a frequency counter built with a microcontroller. This personal archive provides a unique glimpse into the evolution of radio technology, from early vacuum tube designs to more modern solid-state military transceivers like the PRC-515. The content reflects Mirko's dedication to preserving and documenting these pieces of radio history.
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WebSDR.org is a WebSDR network. List of all active WebSDR radios.
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3 MHz to 30 MHz, the shortwave bands offer a vast array of international broadcast stations, maritime communications, and amateur radio signals, often heard far beyond the typical range of AM/FM. This resource introduces shortwave listening (SWLing) by explaining what shortwave radio is, how signals propagate via the **ionosphere**, and the general characteristics of different shortwave bands. It details how international broadcasters like Radio Australia and Deutsche Welle transmit in multiple languages, including English, and discusses the real-time nature of these over-the-air transmissions compared to internet streams. The guide provides practical tips for better reception, such as tuning between 9 MHz and 12 MHz during daylight hours and below 9 MHz at night, and notes the presence of amateur radio operators on the 75/80 meter band (3.5 MHz to 4.0 MHz) using **LSB** mode. It reviews popular portable shortwave receivers, specifically highlighting the Sangean ATS-505 and the Sony ICF SW 7600GR, comparing their features like synchronous detection and filter choices. The article also suggests audio enhancement methods, such as external amplified speakers or quality headphones, and briefly mentions high-end receivers like the AOR AR8600MKIIB for advanced monitoring.
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MC-50 microphone modification for high emphasis, connecto kenwood ts-50 to kenwood radios.
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HotPaw MorseDecoder, an iOS application, provides real-time translation of Morse Code audio signals into plain text, leveraging the device's microphone or headset input. It incorporates a DSP narrow-band audio filter, adjustable from 300 to 2400 Hz, to mitigate background noise and QRM, enhancing signal clarity for decoding. The application offers both an automatic decoding mode and manual controls for fine-tuning parameters such as audio filter frequency, WPM dot/dash speed, noise threshold, and Farnsworth timing. The WPM detection automatically adapts from 8 to 40 WPM, with a QRQ High Speed mode extending this range to 30-80 WPM for faster code. A built-in spectrogram aids in identifying the precise audio frequency of the CW tones. User feedback indicates effective performance with various transceivers like the Yaesu FT-857 and Icom IC-R8600, particularly when manual settings are optimized. The app's ability to visually tune stations within the passband and decode speeds beyond an operator's manual capability has proven beneficial during contests and general QRP operation.
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Sangean is the leading manufacturer of short wave and pocket radios around the world. Built with precision, quality and the highest technology
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Well documented Amateur Radio HF/VHF antenna projects, high power Russian GS35B RF amplifiers, mobile RFI solutions, related accessories, vintage radios, Six meter equipment, and useful techniques by K8CU are inside.
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Vintage tubes, radios, parts, radio books and magazines, old telephones, speakers, phonographs, etc. Retail store in Cleveland, Ohio
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Stryker Amateur radios offer great performance and unique features. We pride ourselves with offering affordable radios that are built with quality and performance in mind.
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GNU Radio is a collection of software that when combined with minimal hardware, allows the construction of radios where the actual waveforms transmitted and received are defined by software
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A group for discussion of the Yaesu FT-857 and FT-857D radios.
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Schedules and local radios broadcasting from and to Iraq during war.
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Sams Photofact downloads - Schematics and Service Manuals for Radios, Amplifiers, More
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CB Radios And Antennas, Marine Radios, Scanners, Radar Detectors. Online store and repair service
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The purpose of this page is to capture and document the Yaesu FT-101 series radios during the 1970's
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CB2HAM is a group for licensed radio amateurs focussed on converting quality CB radios over to the Ham bands.
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Coral Springs Police and Fire Dispatch Florida
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Stone vintage radio describes early radio from marconi to the 1960s. its covers antique radio, wireless, tubes, valves, crystal sets, and battery radios. included in the virtual museum are hundreds of pictures, images, and descriptions of antique radios, articles, faq, sell, and buy a radio.
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Simulates a **CW** contest environment, presenting operators with realistic scenarios for improving their receiving and sending proficiency under pressure. The software generates varying signal-to-noise ratios, QRM, and QRN, replicating conditions encountered during actual **DX** contests. Users practice copying callsigns, exchange information, and manage pileups, with customizable parameters for speed and difficulty. The program provides immediate feedback on accuracy and speed, allowing for targeted skill development in a controlled setting. It supports various Windows operating systems, from Windows 95 through Windows 10, and can also run on macOS using Wine.
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Italian importer for many Ham Radio companies
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Specialized, business and industrial radios
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Free program that interfaces most ICOM radios with the ILG radio frequencies database and lets you click a station in the database to tune your radio to the station, or scan the list looking for stations that are on the air.