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This article reports and collect some frequencies used during 2020 Ukraine war and reported as being used by army forces. HF communications are still a crucial part of military communications and can ben monitored on web sdr radios available on the internet.

IK2PII describe here a simple direct conversion receiver, thinked for QRSS and DFCW communications, as companion of ARGO or SPECTRAN programs.

The South Mountain Repeater Association (SMRA) is a 501(c)(3) non-profit group of amateur radio operators dedicated to community service and emergency communications within Cumberland County and the surrounding area in Central Pennsylvania.

A non-profit organization seeking to preserve the history of the development of wireless communication by encouraging the acquisition, restoration, preservation and exhibition of antique wireless and radio apparatus

Storm Products Company provides high-value, interconnect products, subsystems, and services to electronics, communications, and instrumentation markets worldwide. Products include Electronic and Microwave cable assemblies, components, and test products.

National communications Family Radio Service frequencies divided in 14 channels

This article serves as a beginner-friendly guide to constructing a simple VHF dipole antenna for 2 meters, perfect for novices in the hobby. With an emphasis on affordability and simplicity, it explains the basics without overwhelming technical details. Recommendations for coaxial cable and mounting methods are provided, offering practical solutions for effective communication. By following these instructions, novices can build a functional antenna without breaking the bank.

Emergency Communications Service ARC was formed and established in 1964, at the Queens Chapter of the American Red Cross

UK distributor for AEA Technolgy Inc products and ICOM commercial transceivers

Have you searched and searched for a good speaker for your ham radio? That perfect speaker that would let you hear voices through the noise and static without hiss?

Provide an ATV repeater function for the North Jersey Exterior Area that is available not only for general amateur radio use, but also for providing a unique communications resource during emergencies as well (FCC Part 97.1 (a))

Australian manufacturer of HF Communications Antenna Systems for Military, Comercial, Mining & Amateur Radio

US global provider of innovative radio frequency (RF) solutions for spectrum monitoring and antenna applications. Specializes in Spectrum Monitoring, Communications Intelligence , HF/MF Broadcasting & Communication antenna systems.

Greater Bridgeport Amateur Radio Club helps to provide vital Emergency Communications through amateur radio to Southern Fairfield County and the Derby area.

Using absurdly low-speed CW for "communications"

Manufacturers quality tone signaling, wildlife telemetry,avionics equipment,video transmision modems.

To promote interest in Amateur Radio communication and advancement of the radio art

The KISS TNC provides direct computer to TNC communication using a simple protocol. KISS is a simple Host-to-TNC communications protocol

The JTRG is an active club affiliated with the American Radio Relay League (ARRL). and dedicated to further the art of amateur radio communication, serve the public, and promote high standards in amateur radio.

The Milpitas Amateur Radio and Electronics Society was formed in 2000 and incorporated in 2002 The club is independent from but supports two volunteer emergency communications organizations: Milpitas Amateur Radio Emergency Services (ARES) and the Milpitas City Radio Amateur Civil Emergency Services (RACES) groups.

Dedicated to the art of Ham Radio, enhancing individual operational and technical skills as well as providing communications during local and national emergencies. Located on the Kenai Peninsula in South Central Alaska.

Manufacturer of professional antenna and filter systems for communications and broadcasting, serving commercial and governmental markets worldwide.

The RYMSA Corporation designs, manufactures and distributes a wide range of sophisticated antennas and components for the telecommunications industry supplying technical solutions tailored to the needs of its clients around the world.

All about VHF, UHF, SHF amateur radio communication in Russia

The Radio Operators Association of Dallas (ROADS) Club exist to promote interest in amateur radio communication and experimentation, fostering of education in electronic communications as it applies to amateur radio, development of individual efficiency, cooperation among members. and furtherance of the public welfare.

A Progressve Communications Receiver by W7ZOI and K5IRK. First published in the November 1981 QST

Home of the HPS-1a Gamma Hybrid Communications Power Supply. The HPS-1a is a very small, light weight , power supply that is most useful for hams who take their transceivers when traveling.

Hardsoft products home page: telefonia, telecommunications, radio, computers, base

Commercial and Private Two Way Radio Communication equipment manufactured specifically for the United Kingdom, Europe, African, Asian and the USA markets.

New York City Amateur Radio Emergency Communications Service (NYC-ARECS) is a NYC based auxiliary communications service. The organization is made up of amateur radio operators who are trained and dedicated to providing radio communications for governments, civil-preparedness and relief agencies during periods of local, regional, or national civil emergencies. This may include situations such as power failures, explosions, fires, floods, earthquakes or terrorist activities. NYC-ARECS is a participant in the NYC Office of Emergency Management (OEM) Partners in Preparedness program and a member of DHS FEMA's National Preparedness Coalition.

Ham Radio shop in Pray Montana offer a wide range of amateur radio, cb radio and two-way radio communications products

A blog devoted to the hobby of Amateur Radio (Ham Radio). The radio amateurs of the world contribute to public service and emergency communications. This blog hopefully will reflect that fact!

The Yolo Amateur Radio Society (YARS) is primarily a public service oriented club assisting with communications for many public events around the Sacramento Valley.

dedicated to the discussion & development of ALL amateur / ham radio Digital Voice & Data communication

Lake county races/ares, volunteer auxillary communications group working under lake county emergency management agency. offical skywarn site for lake county. VE testing and radio clases offered. not-for profit 501(c)3

PMR and commercial radio communication systems dealer

supports three repeaters in the Florence SC area. The Club Callsign, W4ULH authorized by the Federal Communications Commission.

The Strathcona Radio Volunteers provides radio communication along with general manpower to public service, charity, and general events in and around Strathcona County. The club also provides backup communication to the Emergency Services of Strathcona County.

Group of dedicated amateur radio enthusiasts who want to further digital modes of communication in the central Ohio area. We have been active in packet, APRS, VOIP and are now proud to provide D-Star digital voice and data connectivity.

Europeam perspective on BPL PLC

The purpose of this webpage is to document an attempt at this project starting with the 80m core receiver first and also having the parts on hand for then adding the first dual conversion band (40m)

JAS-2 is prepared to succeed the communication of JAS-1b launched in February 1990 and still working. So JAS-2 is also capable of phone,CW and packet BBS.

Office website of the PARK radio club in Halifax, Virginia. Providing emergency communications to Halifax Virginia and surrounding areas.

A summary, overview or tutorial covering the basics of Meteor Scatter or Meteor Burst Communications, a form of radio signal propagation often used at VHF.

The Oliver Amateur Radio Club Is a non profit B.C. Registered Society based in Oliver, B.C. in the South Okanagan region of British Columbia, Canada. The club is for Amateur Radio Operators & Enthusiasts and also provides Emergency Communications in the Regional District of Okanagan South.

Near Vertical Incidence Skywave propagation is a form of radio wave propagation used on the MF and HF bands to provide radio communications and broadcasting coverage over short distances, especially where the terrain contains obstacles.

The basics of radio receiver dynamic range performance used for specifying the performance of radio receivers used in radio communications systems.

KComm is an amateur radio communication and logging program that has been designed specifically for Elecraft K2 and K3 transceivers. KComm has been developed using the cross platform development tool Lazarus. The program is developed and tested under Windows XP but it can be compiled under Linux. By G4ILO

Ham radio shop based in Holland, dealer for cb radio products, amateur radio transceiver,Yaesu Icom and Kenwood, antennas cables and accessories

Javiation page dedicated to the ICOM IC-R20 150KHz - 3305 MHz communication receiver