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Icom IC-9100 yahoo group

A general guide to D-STAR. The purpose of D-STAR is to allow HAM Radio operators to speak further and clearer using digital voice while sending data from 1200 BPS on up at the same time.

The basics of what is a discone antenna for wide band or bandwidth omnidirectional applications.

Establishing a robust, interconnected communication infrastructure across challenging terrain, the Island Trunk System (ITS) provides a network of open amateur radio repeaters for general and emergency communications throughout Vancouver Island, surrounding waters, and parts of the lower mainland on the West Coast of British Columbia, Canada. This system, largely off-grid, relies on solar power and batteries, necessitating careful operation, especially during night hours and low solar charging seasons, to preserve its energy resources. Maintaining the ITS involves significant effort from many hams, who appreciate adherence to regulations, including proper station identification. The system hosts a weekly social net every Monday evening at 8 PM, welcoming all participants, and also supports a Vancouver Island Region Emergency Radio Net each Wednesday at 19:15. Experimental projects like the Newcastle Ridge webcams, linked via 5.8 GHz broadband backhaul over 206 km to Nanaimo and Comox, demonstrate the innovative spirit within the ITS community. A new VHF repeater, operating on 146.880 MHz with a 141.3 Hz PL tone, was installed in Tofino, expanding system coverage.

The MobileLog program is a specialty logging program designed for mobile amateur radio operators. It has been designed to allow quick entry of important information regarding QSOs. The software is primarily concerned with the logging of U.S. county information, which may be used to help work toward awards such as the USA-CA award for working all counties in the U.S.A. The data from this program may be imported into your general logging software. This sofware exports data in the ADIF (Amateur Data Interchange Format) and CSV (comma-seprated variable)

cqham.ru russian only modification page

Annonbon island dx pedition 3C0C June 2010

This program allows both great-circle (polar) and rectangular projections of the world. The great-circle map is centered on any specified latitude and longitude (the "home" location). The rectangular projection is shown with the home longitude in the middle of the screen.

Operating an amateur radio station often involves community engagement, and the Anne Arundel Amateur Radio Club (AARC) exemplifies this with a focus on public service and emergency communications. The club maintains repeaters, provides an Elmer program for new hams, and conducts training and testing sessions, fostering skill development across various age groups and experience levels. Members participate in activities ranging from contesting to kit building, promoting technical proficiency and camaraderie within the local ham radio community. The AARC hosts regular meetings on the first and third Thursday evenings, creating opportunities for fellowship and knowledge exchange. Their commitment extends to programs designed for kids, YLs, OMs, and both new and experienced operators, ensuring a broad appeal. This club's structure supports continuous learning and practical application of amateur radio principles, aligning with the core values of the hobby. Their emphasis on emergency preparedness highlights a critical aspect of amateur radio's public service mission.

One of several Colombian broadcasting networks heard on AM and FM and worldwide on 5076 kHz in the 60 meter band.

Some hints and tips on QSLing

Antique radios and audio sold to collectors and dealers

New England Repeater Directory (NERD) is the most accurate and up to date amateur radio repeater database available in our region. It is maintained by local volunteers of the amateur radio community. The listings are a reflection of each repeater's true status, regardless of their coordination

Windows program for analyzing vertical antennas. This program shows the resistance and reactance to be expected looking into a cylindrical metallic tower over a perfect ground. It gives a useful approximation of the values to be expected in a real-world situation.

How Vacuum Tubes Really Work. Vacuum tubes rely on hot cathodes emitting electrons and a plate attracting them to create current. A grid in between controls the current flow, enabling amplification. This article explores the nitty-gritty of how it works, including how cathode type, temperature, and electrode spacing affect the process. It explains the physics behind electron emission, space charge, and amplification factor, offering a deeper understanding than the basic principles.

An home made vertical dipole antenna made with simple material. The antenna has a total length of aproximately 16 feet. In this article appeared on June QST 2019, the author explain how he reached the optimal confirugation changing and adjusting the lower part of the antenna, trimming and spacing correctly the copper wire. PDF File to downloas

Icom Kenwood Yaesu MyDel dealer, offer a wide range of ham radio products, transceivers, antennas, rotators, microphonrs, aerials, dummy loads, rf amplifiers and scanners based in UK

RFAC Solutions specializes in providing a range of RF components, including various connector types, cable assemblies, attenuators, and filters. Their product line features common connector standards such as SMA, BNC, TNC, N-Type, MCX, and MMCX, essential for reliable RF signal paths in amateur radio and commercial applications. The company also offers high-power VHF amplifiers, catering to needs for signal boosting in specific frequency ranges. Their offerings extend to dust caps and adapters, which are crucial for maintaining the integrity and versatility of RF systems. The focus on supplying components from South Korea suggests a commitment to specific manufacturing standards and supply chain practices. This resource details a vendor's product scope, useful for hams sourcing specific parts for shack builds or antenna projects. Jeff is listed as a contact for inquiries.

A web page dedicated to the Yaesu Handheld transceiver VX8-R with technical specifications pictures and links to relevant VX8-R information.

by Steve Hicks N5AC and Jim Boehner N2ZZ

LOGic presents a commercial logging software solution for amateur radio operators, detailing its capabilities for managing QSOs, controlling transceivers, and facilitating DX operations. The resource outlines features such as comprehensive logging functionalities, support for various operating modes, and integration with rig control interfaces. It emphasizes the software's long history, having been available since 1989, and its continuous development to meet the evolving needs of the amateur community. The software's practical application extends to contest logging, award tracking, and interfacing with external hardware like CAT interfaces for seamless rig control. The resource highlights its flexibility and feature set, positioning it as a professional-grade tool for serious DXers and contesters. Specific mentions of TRX-Manager and W1GEE indicate related or integrated hardware and developer involvement, providing context for its ecosystem.

Here is an old ham radio operators trick for cleaning wires for soldering that are old and corroded. It is hard to find this technique printed anywhere!

Selecting appropriate cabling for amateur radio installations, whether for antenna feedlines, control lines, or station wiring, is critical for optimal performance and safety. This resource provides access to a manufacturer specializing in a broad range of electronic and electrical cables, including options suitable for various ham radio applications. Their product line encompasses standard and custom cable solutions, designed to meet specific operational requirements for both indoor shack setups and outdoor antenna systems. The company emphasizes _proven quality_ and compliance, with products certified by the Canadian Standards Association (CSA), Underwriters Laboratories (UL), and Intertek (ETL). Their quality management system is registered to _ISO 9001:2015_, ensuring consistent product standards. They offer competitive pricing and utilize AI-logistic tools for reliable on-time delivery, serving customers globally with technical support. Access to detailed technical specifications and an online quote tool is available for registered site members, facilitating precise cable selection for projects requiring specific impedance, shielding, or environmental ratings.

Special communications systems, the creators of pactor, TNC using DSP protocols

Radio frequency systems require robust protection against transient voltage events, which can severely damage sensitive equipment. This resource details a range of **RF surge protection** devices, including models with DC Pass, DC Block, Bias T, and Ultra Low PIM characteristics, designed to safeguard critical infrastructure. It also presents various RF filtering solutions and interconnect components, emphasizing their role in maintaining signal integrity and operational continuity across diverse applications. The site provides information on products engineered for both RF and data line protection, highlighting their utility in preventing downtime and equipment loss. Specific product categories encompass coaxial protectors, grounding items, and fiber optic solutions, indicating a broad scope of application from amateur radio installations to industrial and telecommunications networks. Furthermore, the resource mentions the availability of NOM-certified products and offers same-day shipping for many items, underscoring a commitment to rapid deployment and compliance with industry standards.

TrunkStar785D is a high-performance, full-featured software package for Uniden® BC785D, BC250D, BC796D and BC296D digital trunking scanners. Data management, operational control and spectrum analysis features are provided.

The Yagi-Uda antenna, information on basic design, project and measure of Yagi-Uda antenna, include free repository/sample of beam antenna.

G3XBM's Amateur Radio Page - with QRP, VLF and crystal set links

Manufacturers of quality electronic products

RailScan: A Place To Discuss All Aspects Of North American Railroad Radio Communications, Past Present and Future.

Windows Programming Software by RT Systems for Amateur Radios and Receivers

Cushcraft X7 20-15-10 Meter 7 element beam Assembly & Installation

A new look at the Ufer ground system by Chris Scott

This World Clock displays time in two user selectable time zones. Each time zone can be switched between 12h and 24h format.

EB5AGV's TR-4C restoratiom

A scanned PDF of this interesting book on HF Dipole antennas published by Stanford Research Institute

Birmingham (Alabama) Amateur Radio Club, since 1926

RF parts, filters, rf switching products.

A remotely tuned 80m to 10m wire vertical antenna

Canadian Icom web site

Eham reviews about Icom IC-V8000

CO2KK exposes some myths about using 75-ohm feedline with 50-ohm rigs and show how to build a cotanget transformer

Specializing in antique, vintage and tube radio repair, all makes. Transistor radio repair- from the 50's to the present. Free estimates.

This interface is intended to be used with all the popular digital modes like PSK31, RTTY, Olivia, etc., which modulate a continuous carrier.

Young Stars Radio Club, is a group consisting the short wave radio listeners' and DXers - having the hobby of radio listening and QSL collection, sharing the experiences and views about international radio broadcasting

An interesting project of the popular IW3HEV antenna analyzer in and embedded solution by PA3CKR.

A field strength meter, a crystal tester and a capacitance meter by Peter Parker VK3YE

Maker of QRP Kits, QRP CW receiver and transmitters, audio CW Filters, antenna tuners, dummy loads, and morse code practice oscillator

Single Coax Feed to Multi-Band Copper Cactus Antenna.

Ham Radio and DX topics by AC6V