Search results

PACTOR mode radio modems and accessories, performance sailing electronics and innovative hard to find parts. Audio cables, packet cables, usb to serial converters

Lightning protection for electronic equipment

Online calculator, Butterworth Bandstop (Notch) Filter Designer

Radio electronic and antenna consulting, servicing and buildups of customer supplied components. Transmitter and receiver site work and on line help.

About basics of the horn antenna used for many rf microwave antenna applications.

Ham radio shop in Hanstholm Denmark

On line shop in Greece for amateur radio products, electronics, DAB Radio and GPS. Dealer for popular amateur radio brands, heil sound, kenwood, MFJ and more

The **Solarcon A99** vertical antenna, a half-wave over a quarter-wave variable mutual inductance design, primarily serves the 11-meter CB band but also finds use on 10 and 12 meters for amateur radio operators. Its simple construction, consisting of three fiberglass sections and a 16 AWG radiating element, makes it an accessible option for new operators or those seeking an easy-to-install base station antenna without complex mounting requirements. Despite claims of 9.9 dBi gain being widely considered exaggerated, and a manufacturer rating of 2000 watts power handling often viewed with skepticism (with 300 watts suggested as a practical limit), the A99 maintains popularity due to its low cost and ease of deployment. It typically tunes to a 1.2-1.3 SWR out of the box, requiring minimal adjustment via its two tuning rings. Its high angle of radiation allows for effective local communication even when mounted at low heights, such as 8-10 feet off the ground. However, the A99 is known for significant RF bleed-over issues, particularly when operated with higher power or mounted close to residential electronics. While its internal design is often described as cheap, the antenna exhibits remarkable durability, frequently lasting a decade or more in various weather conditions. Its affordability and straightforward setup continue to make it a go-to choice for many radio enthusiasts.

Ham rasio shop in Chzeck republic, offer antennas, filters, roators, electronic components, cw keyers, power supplies, and other ham shack accessories

GCARA is a general interest amateur radio club intended to promote amateur radio, electronics education and fellowship through amateur radio in the Greater Cincinnati Tristate - Indiana, Ohio and Kentucky area. The club service area lies within a circle having a radius of 25 miles from downtown Cincinnati.

This is a group for CBers, Sidebanders, Amateurs and Freebanders. Items to be discussed are CB, Skip, Skeds, DX communications, SSB, export radios, Radio equipment, mods, ham radio, repairs, electronics, CW, PSK31, RTTY, digital, and different radio shops.

Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites. There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.

Key facts about how to solder, how to solder wire, how to solder pcb's, and including general soldering techniques and the best ways of making good solder joints for electronic circuits and construction. Includes video

Top quality electronic components. Online shop with over 75000 items in stock based in Germany

Banana plugs, coaxial cable assemblies, patch cords, oscilloscope and DMM test lead and probe kits and accessories, IC test clips, boxes, RF connectors, XLR and 75-ohm cable assembly products.

Index of main electronics topics

Taking the Raspberry Pi 2 for a Test Drive with GNU Radio. Installing GNU Radio and receiving aircraft radar with a USB TV tuner

Techni-Tool is a distributor of electronic production tools, oscilloscopes, multimeters, power supplies, cases, tool kits, cutters, wrenches, crimpers, solder desolder stations, BGA, microscopes, lamps, static control, workstations, chairs, torque screwdrivers, tweezers, dusters, chemicals.

Pagina personal de Radioaficion, Satelites, Antenas, Electronica y Aviacion

Janielectronics RF microwave devices online store

Electronic distributor, specializing in capacitors

PL-259, Motorola & N connectors, Coax Seal, universal adapter kit, TNC, Mini-UHF, SMA, F & BNC connectors, audio connectors,antenna mounts and antennas

Design, build and supply Military Diesel Operated Tactical generator sets, diesel generator sets, custom generators, auxiliary power units, portable power generators and tactical quiet generators used by the U.S. Navy and Air Force.

A resource for Collectors and Restorers of Vintage Electronic Equipment.

Collection of several Crystal Radio receiver circuits with schematics diagrams and pictures

A MacOSX antenna design and electronics/electrical tool package. It is a multipourpose application that allow antenna design and comomn calculations

This site is dedicated to those who enjoy building radios and other electronic devices using parts and techniques from bygone eras.

Desgining crystal filters and find out crystal data by measuring it.

Consumer solar power products, portable solar panels maker, Solar Mini Panels & Control Electronics.

Search engine for electronic component datasheets and application notes.

Essentials or basics of RF signal generators or microwave signal generators, their facilities, capabilities and how they work.

A guide to making good soldered joints and desoldering tips, includes an interesting how-to-guide on properly soldering electronic components

Dealing with Computer generated RFI/EMI by Daniel 9V1ZV

A nice tutorial and the basics of the software defined radio, SDR, and links of software defined radios to JTRS, and general SDR receiver technology.

Iambic Keying, Debunking the Myth by Marshall G. Emm, N1FN. A keying system controls transmitter activation, ranging from basic switches to electronic keyers that generate Morse code based on paddle input. Iambic keyers, introduced in the late 1950s, respond to simultaneous paddle closures with alternating dots and dashes. Despite touted efficiency, actual benefits are modest, offering about a 5% improvement in keystrokes, diminishing at higher speeds. Iambic keying's practical value is limited and may restrict sending speeds.

New and refurbished test and measurement instruments

An overview of coax cable often called coaxial feeder or RF cable, used to feed antennas and deliver radio frequency power from one point to another

Italian amateur radio and electronic components shop based in Firenze Italy

A project of a linear regulated for low noise power supply 16v, 10A

Tait electronics provides advanced and reliable voice and data radio communications products and solutions, specialising in customised solutions for organisations worldwide.

Electronic test and measurement; digital multimeters, clamp-ons, portable printers, meters and dataloggers.

Filters for the commercial 2 way market, MATV, FM broadcast, laboratory, marine industry, amateur radio, scanner and short wave. Antenna for amateur radio bands

Spanish makers or signal generators, spectrum analyzers, testers

Non-profit Amateur Radio club organized for the educational and scientific study of electronics and communication

Manufacturer of advanced electronic systems to measure such weather data as: wind speed, wind direction, wind chill, pressure, humidity, rainfall, and dew point.

Telecomunications import export, ham radio dealer based in Belgium for MicroHam, MFJ, LDG, ICOM Yaesu and other ham radio brands

This code practice oscillator project uses a 555 timer IC. Includes a Schematic Diagram of the morse code oscillator

Provider of electronic components documentation. Offer a reliable tool to find semiconductors components technical information like parts, datasheets, cross reference, obsolete and new circuits.

Debco electronics, inc. - computers and electronic components for business, developers and hobbyists