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Realization of confortable communications. RF Filters

Designer and manufacturer of RF amplifiers used in a variety of custom applications in many diverse industries - from Scientific, Medical, Industrial, and Communications and Broadcast.

Serving the Magic Valley of Idaho with emergency communications, VE Testing and activities for all amateur radio operators and those interested in becoming licensed.

The club was founded in 1954 to help serve the emergency communication needs of Wood County, Ohio. The county seat is Bowling Green which is the home of Bowling Green State University.

This DIY vertical multi-band Windom antenna offers a practical and effective solution for amateur radio enthusiasts seeking a versatile and compact antenna for HF communications. Its simplicity of construction, multi-band capability, and favorable performance make it a valuable addition to any radio shack. The article provides detailed instructions on constructing the antenna and balun, along with diagrams and component specifications. Field tests demonstrated successful contacts with stations across Europe and North America on 14, 18, and 28 MHz. The antenna exhibited comparable performance to a W3DZZ dipole and outperformed a Cobweb antenna on 18 MHz. Low noise levels were observed, effectively suppressing background noise.

We are small club of individuals who like to explore and have fun with the many aspects of radio communication and technology utilising radio.

The Radio Club was formed at the request of long term resident and mayor, Hardy Staub, VE7IDY, to provide the city with an Amateur radio communication resource, should the need arise.

A non-profit technical organization dedicated to the advancement of communications above 1 GHz

The ICOM IC-R72E a neat compact communications receiver. Coverage: LW, MW, SW (0.1- 30.0 MHz continuous) discontinued in 1998

Amateur radio of clarion inc. an organization committed to emergency communications and the advancemet of amateur radio.

SAARA is an association of radio amateurs organized for the promotion of Amateur Radio communication and experimentation. We provide communications during disasters, emergencies and community events

The ARA provides communications services to the area through its network of repeaters at the club site near Freeland PA

Club dedicated to preservation and and encouragement the art of telegraphy communication.

offers Rack Mountable DC Power Supplies, OEM Power Supplies, and Communication Series Desktop Power Supplies for a wide range of uses, including powering radio equipment.

Designs, engineers and markets a unique line of mobile and fixed station RF communications antennas with a key focus on maximizing antenna value.

This article dives into a budget-friendly, DIY antenna option - the multiband half wave end-fed antenna (HWEF). Forget expensive radials; this design uses just wire and a transformer. While the 2012 approach might be dated, it provides a solid foundation for understanding HWEF concepts. Explore how different coil setups can target specific bands (40m, 20m, 10m) for optimal radio communication.

RCARS has been formed to be a non-profit corporation dedicated to the safety and welfare of the citizens of Robeson County in times of emergency, disaster or other communications breakdown or overload.

The video delves into the fascinating science behind antennas, which are crucial for receiving and transmitting electromagnetic waves. It explains how antennas convert electric signals into electromagnetic waves for transmission, and how they operate through the oscillation of positive and negative charges in dipole arrangements. Practical antenna implementations, such as dipole antennas for TV reception and Yagi-Uda antennas with reflectors and directors, are also discussed alongside modern dish TV antennas with parabolic reflectors for signal processing. It's a comprehensive overview of how antennas work and their significance in communication technology.

MCRCA Monroe County Radio Communications Association

December 12th, 1901 is certainly a date with a historical relevance in radio transmissions. At 04.30 GMT of that day, Guglielmo Marconi succeeds in sending the first transatlantic wireless communication.

Kirisun a fully indipendent company on the professional radio communications equipment incuding DMR, portable two-way radio and mobile radio and repeaters.

To educate and increase the proficiency of its members concerning scientific advancement and progress in the science of amateur radio communications.

Northern Michigian Amateur Radio Club Inc. was founded on the principles of providing services to the local area Amateur Radio Service Groups and to public.This group of license amateur radio operator provide Emergency Communication during the time of weather related,disasters and man made emergencies.

Provide communication service primarily to the public safety organizations

Communications solutions for Business, Utility and Industrial applications including data phones wireless RF

This tutorial covers an introduction to RF, wireless, and high-frequency signals and systems, includes explaination of what is RF, why operate at Higher Frequencies, Frequency Shifting through Frequency Mixing.

On-line shop for coax cables, RF connectors, Lightning protectors, Create antenna rotators, antenna masts and mounts, amateur antennas by FlexaYagi, Tonna F9FT, ANjo-Antennen and M2 Antennas based in Eggolsheim Germany

A blog dedicated to military communications shortwave intercepts, sponsored by the Teak Publishing

Anatech Electronics manufactures RF filters for communication systems, Military and commercial, as well as RF filters for Wireless applications. Products include, Band pass filters, Duplexers, Low pass, high pass and bandstop filters. Additional products such as RF cable assembly also available.

Equipment and Components for the RF and Microwave industry. AtlanTecRF is a global supplier of microwave and RF components and equipment to the aerospace, defence, telecommunications and scientific markets.

The Traverse Bay Amateur Radio Emergency Communication Group

The Gippsland Gate Radio and Electronics Club Inc. (GGREC) is a group of amateur radio operators and electronics enthusiasts who promote all aspects of hobby telecommunications, computers and electronics

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

The New England Digital Emergency Communications Network is dedicated to providing reliable amateur radio communications throughout New England. The group members have built an advanced TDMA network connecting strategic locations and communicators

Aeronautical communications products, radio communications, weather systems

Voldatech Telecommunication & Networking Solutions, RF Coax cables and connectors manufacturer based in China

DMR in Helena, Montana. Experiments in Digital Amateur Radio Communications

The Pickens County Communications Group are volunteers for the Pickens County Emergency Management Agency in Pickens, S.C. and members of R.A.C.E.S.-Radio Amateur Civil Emergency Service, with the South Carolina State Guard. We are not a club. We are a group of amateurs radio enthusiasts with similar interests, dedicated in providing emergency communications for public service, public safety, and commercial communications for local agencies. We also provide Skywarn communications for Pickens County and the National Weather Service in Greer, S.C.

Global wholesale distributor and manufacturer of communication equipment, including CODAN products

Hytera, a leading designer and manufacturer of professional mobile radio communication equipment, offers complete and customized communication solutions to government, public security, utility, transportation, enterprise & business for higher organizational efficiency.

Hurricanes Katrina & Rita information from various sources. Compiled by KD5QEL Robin (New Orleans native) near Atlanta, GA. Not for chitchat--only for communications info.

Introduction to operating on microwave bands at VKFAQ

The RACES ARES Disaster Assistance Repeaters (RADAR) group was formed by a team of amateur radio operators dedicated to providing high quality repeater communications for amateurs involved in public service communications or response to emergency/disaster situations.

The TRI-STATE emergency communications response team is dedicated to providing help to public service agencies with communications when normal communications are not working.

Tait Digital Mobile Radio (DMR) is an affordable digital communications platform that delivers a range of workforce efficiencies and operational benefits for mission critical users.

A personal blog about amateur radio activities, including homebrew, bitx, ubitx, mcHF, JT65, FT8 and more digital communications.

CERT Communications Team Procedures Alinco DJ-191 quick reference in a four pages PDF file

An introduction to NPR by Daniel Estevez. In this blog article Daniel EA4GPZ / M0HXM, introduce the new IP communication protocol over the 70 cm amateur radio band. Daniel is an experienced operator on IP on 430 MHz with CC1101 and Beaglebone black project and makes a good comparison of the two projects.

Ham radio, amateur radio, satellite communication, radio, radios,antenna, antenna design, yagi, cross yagi, power divider, splitter, Brisbane.

Muskegon County October Color Tour Hamfest. OCTOBER 13, 2012 in Muskegon, Michigan