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6 Meter J-Pole from 450 Ohm Ladder Line a quickie project -
Amateur radio repeaters extend communication range for mobile and remote stations by retransmitting signals on a different frequency, often for emergency communications. The resource details various repeater bands, noting that 2 meters and 70 cm are primary for activity, with 10-meter repeaters offering potential national and overseas coverage. It specifies **18 channels** on 6 meters and **31 channels** on 2 meters, along with a new 70 cm offset of _7 MHz_ adopted in 2015. The content explains how repeaters can be linked via dedicated transmitters/receivers, landlines, or Internet VoIP systems like _IRLP_ and Echolink, enabling global connections. It also describes simplex gateways for multi-band operation and the use of CTCSS subaudible tones for access control and interference mitigation. The document highlights specialized repeaters for modes beyond voice, such as SSTV and ATV, particularly on 70cm and higher bands. Operational guidelines for efficient and courteous repeater use are referenced, along with links to Australian repeater listings and band plans. -
A Quick start guide to NPR New Packet Radio on 70 cm band by the NPR author Guillaume F4HDK. This presentation introducte basic concepts of this niew digital protocol, and guide the user to the first modem configuration both of client and master modems. Includes a final recap of commands. -
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Modern DX Club Not-for-profit organization serving the radio monitoring community founded in 1990 muzaffargarh Pakistan. The main interest of the club is shortwave dxing. -
A multiband J-Pole antenna project that cover 144,220 and 430 MHz. The articles includes several pictures of this multi-band antenna, including handmade schematics and diagrams, project is mainly in Italian -
promote the development of amateur radio repeaters under the provisions of 47CFR Part 97 including, but may not be limited to, those linked via the internet, for personal enjoyment, public service during emergencies and natural disaster -
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Contest audio recording for N1MM. external "plug-in" which adds a QSO audio recording function. -
The Rochester Amateur Radio Club, Incorporated (RARC) is an ARRL affiliated club located in Rochester, Minnesota. The purpose of the radio club is to: advance general interest and knowledge of amateur radio -
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Demonstrates the community-driven mission of the McKinney Amateur Radio Club (MARC), a North Texas organization dedicated to advancing amateur radio. The club actively promotes continuous learning, encouraging technical innovation among its members, and provides avenues for public service engagement, skill enhancement, and global connectivity with fellow operators. MARC hosts weekly breakfast discussions every Saturday at 7:30 AM at IHOP in McKinney, Texas, covering diverse topics and offering a Q&A forum. The club emphasizes emergency communication preparedness, antenna design and tuning, and the science of global radio wave propagation, crucial for clear amateur radio contacts. Furthermore, MARC explores modern radio technologies, including digital modes and _Software-Defined Radio_ (SDR), blending traditional amateur radio with cutting-edge advancements. The club also facilitates license testing sessions, hands-on training, and participates in events like _Field Day_ to hone emergency communication skills. -
Pictures of the restructuring of the ham shack starting from an existing garage. Changes includes isolation of walls and roof and rebuilding of the radio table. -
Producer of meter test equipment for electricity meters testing and calibration -
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Supporting wire antennas with squid poles -
Dedicated to Promoting Activity, the State of the Art in Equipment Design, and the Exchange of Ideas and Technology for the Amateur Bands Above 902 MHz -
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An exaustive document on frequency multipliers with a particular attention on ways to generate high frequency signals for microwave -
Ham Supply continue to manufacturer the fine Idiom Press electronic keyer, audio filter and other Ham Radio related products -
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The TS-690 was Kenwood All Mode Multi Band HF Transciever -
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A world leading developer of spectrum analyzers, RF system, test equipment and microwave solutions -
The page provides information about the activities and events of the El Dorado County Amateur Radio Club in California, including meeting schedules, field day updates, and presentations by club members. -
An interesting guide to aerials comparing height, gain and angles -
Mobile installation of a Kenwood TM-D710 and comparison with the Yaesu FT-350R -
Live Streaming Scanner from Paradise, CA -
How to program the memories of the Yaesu FT-7900R without a computer -
Morse Code And Radio For Kids and Amateurs. This guide covers many different aspects of the history of and how to learn Morse code. -
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SARA, the Schuylkill Amateur Repeater Association located in central-eastern PA in Schuylkill County. -
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ARRL UHF contest, first full weekend of August -
Annual bicycle expedition combined with HF/VHF activity -
KE7X Elecraft K3 operating manual -
A classic document originally presented in Proceedings of the Institute of Radio Engineers in 1937 and is, still today, the standard referenced by the FCC, text books and many amateur radio publications. -
Dedicated to:jnos tcp-ip packet radio -
Article appeared on 10/05 issue of QEX about the impact of load SWR on the efficiency of Power Amplifiers, PDF File by K9LA -
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Michigan Antique Radio Club, or MARC. The MARC was officially founded October 19, 1985 at the Dillon Inn (now the Hampton Inn) in Lansing, Michigan. Our mission: To preserve the history and enhance the knowledge of radio, television and related disciplines -
News from Pueblo West Amateur Radio Club, Pueblo West, Colorado -
Pictures and information about a solar powered station located in an old caravan in the Australian Bush by VK5SW -
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Midwest Mountain Thunder CB Radio Group is a group of CB SSB operators that started in the Midwest as a branch off of the Washington State group. good clean radio -
Lockheed martin recreation association amateur radio club
