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Electronic components online shop based in Italy

A basic YAGI UDA online antenna calculator, accept as input frequency, number of elements, diameter of parasitic element and boom diameter. This online calculator will generate a basic design data including each element length and spacing.

Description and online calculator for Log Periodic Dipole Arrays LPDA are directional antennas featuring a relatively constant characteristics across a wide frequency range.

Log Online of the DX-Pedition to The Order of Malta's Italian Relief Corps (CISOM)

RF Feedline (Coax and Ladder-Line) Loss and ERP Calculators made with Javascript. This complex feddline loss calculator has already several line types paramenters for most common coaxial cables from Belden, Time LMR, Wireman and other common products. Result will give Matches loss, SWR loss, dB and Watts power loss.

Reichelt electronics is a world wide online shop for electronic parts and components

TO3X Log Online

This website provide online calculator for several values about a large variety of toroids. Freq/L/C/Z/Turns Calculator, Impedance Matching Network Calculator

Online Log for TX5N DX Pedition to Austral Islands 2022

Annual poll for radio amateurs - the good, the bad, the ugly! This is an annual survey conducted among the online community, and it represents the status of amateur radio. The authors ask to hams several questions, from the most used operating modes, to the typical ham radio lifestyle habits.

Presents an online callbook specifically for amateur radio operators within Serbia, offering a searchable database of YU callsigns. The resource allows users to query individual callsigns to retrieve associated station information, including operator details and licensing status. It also features a complete list of callsigns registered with the Amateur Radio Union of Serbia, providing a comprehensive directory for the region. The platform includes statistical summaries related to Serbian amateur radio, such as the total number of active licenses and distribution patterns. It displays the last modification date for the underlying data, indicating the currency of the information provided. The web interface is version 1.1.7, developed by YT9TP, ensuring a consistent user experience for accessing Serbian amateur radio data.

CH21A Nauru, IOTA OC-031 11 Jan 2012 to 07 Feb 2012 operated by HA5AO & HA5UK

Home page with nice DX Tools, VHF DX Cluster map, QRB calculator and personal online log-book

Amateur radio and two way communication devices online shop based in Sweden

Police radio scanners, accessories online shop includes radio scanner resources based in Minneapolis, MN USA

Generate APRS Passcode using PHP for use in Amateur Radio APRS Applications when connecting to the APRS-IS Network

An online calculator for designing and evaluating capacitors based on the capacitor's area, separation, number, and dielectric constant

Online Wifi shop based in Greece

General station info and Paddle Museum (online display of keys and paddles)

An online morse code trainer application that allows to select the digits and play them at the wpm speed you desire. While decoding will evaluate the results and will indicate your proficiency level

Polish Online radio shop, dealer for President Alan Midland CBradia CRE Magnum Intek Yosan CRT Firestik Antenna Sirio Solarcon

Ascension Island ZD8ZZ online log

By F2JD as HR5/F2JD Log

Selling all brands of Hamradios and CB Radios based in Norway

3C0W Annobon Island Online Log

Over 500 different types of high-performance electronic cables are manufactured by Alpha Wire, catering to demanding industrial and commercial applications. Their product lines include the robust _XTRA GUARD_ series, designed for harsh environments, and a range of flexible coaxial cables optimized for signal integrity. These cables are critical components in amateur radio shacks, industrial control systems, and data communication networks, ensuring reliable power and signal transmission. The company provides extensive technical resources, including detailed product specifications, application notes, and RoHS certificates, accessible through their online resource center. Hams often utilize their wire and cable products for antenna construction, station wiring, and various DIY projects requiring durable and reliable conductors. Alpha Wire also offers tools like size guides and competitor cross-references, simplifying product selection. They emphasize continuous uptime solutions, reflecting their focus on quality and durability.

IK5RUN, I5OYY I5IHE will operate from Praslin Is. Seychelles IOTA AF-024 respectly as S79UN S79YY S79LC Log Online and DX Spots Operations will start From Sunday 21st October 2012 till Sunday 4th November 2012

TJ2TT log online and QSL request

The YM2XBU Bilkent University Amateur Radio Club website details the club's activities and operational focus within the amateur radio community. It serves as the primary online presence for the university's ham radio enthusiasts, showcasing their involvement in various aspects of the hobby. The site provides insights into the club's station setup, operational modes, and participation in local and international amateur radio events. Club members engage in DXing, contesting, and educational initiatives, fostering practical skills in radio communication and electronics. The _YM2XBU_ club callsign is actively used for on-air operations, contributing to the global amateur radio network. Information regarding membership, meeting schedules, and contact details for _Kagan SIRDAR_ are available, facilitating engagement for students and faculty interested in amateur radio.

4S7 Log Online Sri Lanka DX Pedition - March 2014

Tubes and electronic components online shop. Dealer for svetlana, sovtek, tesla, mullard and tungsol tubes

An online reference table with Satellite information including current status, uplink and downlink frequencies.

Presents the official online presence for CT1ARR, the Associação de Radioamadores do Ribatejo, a recognized amateur radio club based in Portugal. The site serves as a central hub for members and interested parties, detailing the club's objectives and operational scope within the Ribatejo region. It outlines the organizational structure and provides contact information for club officers, facilitating communication among the amateur radio community. The resource documents the club's engagement in various amateur radio activities, including local nets, field days, and participation in national and international contests. It also lists any public service events or training initiatives undertaken by CT1ARR, supporting the development of amateur radio skills and fostering community involvement. The site functions as a digital archive for club news and announcements, ensuring members remain informed about upcoming events and operational changes.

Listen to HF communications via the KiwiSDR online receiver located in Badgad IRAQ locator LM23fh. This web receiver is running a MLA 30+ antenna and can be tuned easily on all HF bands from 10 to 80 meters.

Online shop for electronic components, sensors, connectors, capacitors, resistors, passives, semiconductors from Baitron independent electronic components distributor.

All available frequencies & offsets configurations for repeaters can be downloaded as database for Kenwood MCP-2A memory channel programming software for TM-D710 & TM-V71. Zip file is no more available from the author, but the full table of frequencies is still online

A distance of 1/8 lambda between the antenna and the vehicle roof is suggested for optimal performance, with slight adjustments possible to lower the take-off angle for terrestrial contacts. This resource details the adaptation of an _Eggbeater_ antenna for mobile use, specifically for VHF operation, leveraging the car's metal roof as a ground plane. It illustrates the mounting method, repurposing a magnetic ski carrier base, and describes the integration of coaxial relays for polarization reversal, a feature also applicable to UHF versions as discussed in "_Eggbeater Antenna VHF/UHF – Part 2_". This mobile configuration proves effective for satellite communications, such as through the International Space Station (ISS), while also maintaining strong performance for land-based radio contacts. The inclusion of switches with indicator lights for VHF and UHF polarization control, powered by the vehicle's battery, highlights practical considerations for field deployment. The system's adaptability for portable operations underscores its versatility beyond fixed mobile installations.

VP8STI log on line VP8 DX Pedition

VP6R online log for the Pitcairn Island DX pedition 2019. October 18 till November 1 2019. Service provided by ClubLog

This unique online tool helps Ham Radio operators to choose the right rotator for medium and large HF antenna systems. The algorithm implemented in this calculator is the result of 40 years of experience in the HF Antenna sector. Given the Wind Speed, the total antenna square area, and the boom length, it will return the calculated torque value.

VP8STI and VP8SGI South Sandwich & South Georgia DX Pedition 2016 - VP8 Log Online, VP8 DX spots and VP8 related links

DL2RUM will be active as FS/DL2RUM between 3-Dec-2011 and 12-Dec-2011 include DL2RUM Online log

Search VK9MA Log Online DX Pedition to mellish reef 2017

Author found a ratio between the lengths of the sides of the Delta Loop that give reasonably low SWR into a 50 ohm coaxial cable almost independent of the high above ground and other surroundings. This ratio also gives good results no matter orientation. Includes an online delta loop antenna calculator.

Listen to online WebSDR located in Andorra Europe. Four receivers on 60m, 20m, 40m, and 80m, connected to a dipole antenna direction East/West

Afghanistan 2011 dx pedition online log

Communications Equip. & Military, Harris Radios parts, test equipment, power supplies, RF parts online dealer

The _RS Group_ (formerly Distrelec) provides a comprehensive online store for electronic components, catering to both industrial and amateur radio needs. This resource offers a wide array of parts, including semiconductors, capacitors, resistors, relays, sensors, and power supplies, essential for constructing and maintaining amateur radio equipment. The platform emphasizes efficient procurement and features various top-level categories for easy navigation, such as **Sensors** with 33 subcategories and **Relays** with 13 subcategories, supporting diverse project requirements. Beyond component sales, RS Group offers services like ISO- and DAkkS-certified calibration for over a thousand measuring devices, and e-procurement solutions for businesses. The site also promotes _DesignSpark_, a community and software suite for electronic designers, aiding in the realization of design ideas. This integration aims to provide enhanced local support and a broader product selection, facilitating everything from basic circuit builds to complex industrial automation projects.

Enables operators to search the XR0ZRC DXpedition log online, a service facilitated by **Club Log**. This tool allows for rapid **QSO verification**, confirming contacts made with the XR0ZRC entity. Users can input their callsign and other contact details to ascertain if their signal report and time match the DXpedition's records, a critical step for award applications like DXCC. The platform offers a straightforward interface for checking log entries, which is particularly useful for those chasing new entities or band slots. It integrates seamlessly with the broader Club Log ecosystem, providing a reliable method for operators worldwide to confirm their DX contacts without requiring a login, reflecting the utility of real-time log updates in the amateur radio community.

This app will generate a QSL card design based on the input paramters as a PDF. Fields marked by a * are required, but the rest are optional. The options at the bottom allow you to customise the look and feel of the QSL card. If you would like, you can also download the LaTeX source file and customise it.