Search results
Query: AI
Links: 733 | Categories: 158
This query is too generic. Please try adding an additional term to focus your research.
Categories
- Technical Reference > AI Ham Radio
- Operating Modes > Aircraft scatter
- Software > Aircraft scatter
- Antennas > Theory > Antenna Gain
- Radio Equipment > Antenna Analyzers > Array Solutions AIM 4170D
- Ham Radio > Clubs > North America > USA > Hawaii
- Radio Equipment > HF YAGI Antennas > Hy-Gain TH3JR
- Internet and Radio > Mailing Lists
- Ham Radio > Clubs > North America > USA > Maine
- Antennas > Morgain
- Operating Aids
- Shopping and Services > Radio Equipment Repair
- Radio Scanning > RailRoad
- Antennas > Repair and Maintenance
- Shopping and Services > Regional > Europe > Spain
- Ham Radio > Clubs > Europe > Spain
- Ham Radio > Regional > Ukraine
- Ham Radio > Clubs > Europe > Ukraine
- Software > Morse Code Training
- Antique Radios > Repair and Restoration
- Technical Reference > Repeater > Repeater Maintenance
- DX Resources > Beacons > 10 GHz Beacons
- DX Resources > DX Peditions > 2010 DXpeditions
- DX Resources > DX Peditions > 2015 DXpeditions
- DX Resources > DX Peditions > 2016 DXpeditions
- DX Resources > DX Peditions > 2017 DXpeditions
- DX Resources > DX Peditions > 2018 DXpeditions
- DX Resources > DX Peditions > 2022 DXpeditions
- DX Resources > DX Peditions > 2024 DXpeditions
- DX Resources > DX Peditions > 2025 DXpeditions
-
The configuration of this antenna is a triangle with apex in the top of a very tall tree. The antenna is fed at a bottom corner using 450 ohm ladder line.
-
Approximately 190–209 words of content are available, including previously unreleased **radio intercepts** from the Russian army during the Battle for Kyiv, with confirmed authenticity. The platform provides extensive news coverage, video reports, and analytical content focusing on Ukraine and international affairs, frequently publishing exclusive materials. Recent articles cover topics such as emergency power outages in Kyiv, discussions on Iran's nuclear program, and Belgium's policy regarding temporary protection for children born after Russia's full-scale invasion. The site also features in-depth investigations into Russian military losses, the political isolation of Hungary within the EU, and mental health advice for coping with wartime stress. Timely updates are provided throughout the day, detailing events such as drone incidents in Lithuania and proposed restrictions on military personnel's access to gambling in Ukraine. The platform offers a variety of multimedia content, including video and photo reports on events like the double explosion in Bucha and search operations for victims of the Volyn tragedy. Editorial selections delve into topics such as parliamentary elections in Slovenia, internal political conflicts in Ukraine, and the export of Ukrainian drones to the Middle East, alongside historical analyses and opinion pieces from various contributors, often featuring expert commentary and reader engagement. The content is primarily focused on current events and geopolitical analysis, with a strong emphasis on the **Ukrainian conflict**.
-
-
Analysis of N3UJJ installed antennas using the AIM4170b Antenna Analyzer
-
Used in the Kenwood TM-241, TM-741 2m module by W3KKC
-
Based in Virginia USA, offer repearing services for amateur radio equipment and related accessories
-
Blue Mountains Amateur Radio Club located in the Blue Mountains west of Sydney. Resources and Information for members and all radio amateurs.
-
Effectively teaching amateur radio licensing classes requires more than just technical knowledge; it demands strong pedagogical skills and organizational acumen. This guide addresses the practical aspects of conducting successful amateur radio courses, emphasizing the instructor's role as an educational manager rather than merely a knowledge dispenser. It explores various class organizational structures, including traditional weekly sessions and _hybrid_ full-day formats, noting that many small meetings are often preferable for student engagement. The resource also provides strategies for finding suitable class locations, from public libraries and community centers to navigating public and private school systems, highlighting the importance of stressing the public service aspect of amateur radio to potential hosts. Key sections delve into effective classroom management, stressing the importance of preparation, a structured routine, and creating a comfortable learning environment. It details the VARK learning styles (Visual, Aural, Read/write, Kinesthetic), advocating for teaching methods that engage multiple senses to enhance student comprehension. The guide also offers advice on breaking down complex technical material, defining unfamiliar vocabulary, and making theoretical concepts practical through real-world examples. It includes a sample entry-level license syllabus covering topics like the nature of amateur radio, technical basics, transmitter/receiver fundamentals, and antennas, providing a framework for instructors to build their curriculum.
-
Receive and listen to FM and AM radio broadcasts on your browser or ChromeBook using an RTL2832U-based USB digital TV tuner.
-
-
Eham users Kenwood TS-50 review
-
eham users review of the Kenwood TS-570D or TS-570G HF Transceivers
-
How to have a way of elevating an antenna connected to the mobile rig in your car or truck.
-
Web Site of Ukrainian Club Amateur Radio station from Vernadsky Research Station on Galindez island EM1U
-
eHam user reviews of the Yaesu FT-450 HF+6m t ransceiver
-
Homepage of 14Cpi055 Alain infos,Cpi News,qsl's & photos,radio links
-
Demonstrates a specialized **DX cluster** designed to support the annual Jamboree On The Air (JOTA) event, facilitating real-time spotting for participating Scout stations. While its web interface has been discontinued due to security concerns, the cluster remains fully operational and accessible through standard cluster software. Operators can connect to the JOTA cluster by pointing their client to www.pi4raz.nl on port 7300. This setup allows for the exchange of **DX spots** and other operational information relevant to JOTA participants, ensuring that Scouts and their amateur radio mentors can continue to make contacts and log stations during the event.
-
Hone your Morse code skills with this entry-level project. Article includes the full schematic of the CW Trainer, describes the sketch and how to operate the morse code trainer.
-
The _ISS Detector_ Android application, with over 5 million downloads, offers precise predictions for visible passes of the International Space Station. It notifies users minutes before an overhead pass, integrating local weather conditions to ensure optimal viewing opportunities. The core functionality focuses on the ISS, but in-app purchases extend its capabilities to track other celestial and artificial objects. Optional extensions, available via in-app purchase, allow users to monitor dozens of amateur radio and weather satellites, providing real-time transmitter information and Doppler frequencies. Additional extensions cover _Starlink_ satellites, the _Hubble Space Telescope_, rocket stages, bright satellites, comets, and planets, expanding the scope beyond the ISS to a broader range of observable space phenomena. The app's interface is designed for ease of use, displaying pass times, directions, and elevation. It adapts predictions based on the user's GPS location, ensuring accurate local forecasts. The latest update, dated April 3, 2026, includes corrections for magnitude values and various speed and stability optimizations.
-
Piedmont NC ham radio and scanner information.
-
Eham users review of this HF/VHF/UHF All Mode Transceiver.
-
The Mobile-Portable Reflector serves as a dedicated discussion platform for amateur radio operators interested in mobile and portable operations. It facilitates the exchange of information and answers questions specifically related to operating amateur radio from vehicles, temporary field locations, or while walking. The platform is not intended for general amateur radio discussions; its scope is strictly limited to mobile-portable topics. Subscribers can access prior postings to review historical conversations and solutions. The list is administered by _dick at k7vc.com_ and operates on Mailman version _2.1.12_. Subscription requires email confirmation and offers optional privacy password protection, with an option to receive daily batched emails.
-
My personal page with a lot of INDIA FOX QSL Cards over 100.
-
Message list about 903 Mhz. and above bands. Use various VHF reflectors for the 432 and lower bands. Most traffic will be about 2304 and above.
-
Yaesu VX-6R eham.net users review
-
Presents Eagle Stainless Tube & Fabrication as a certified distributor specializing in various tubing products essential for antenna construction and other amateur radio projects. It details their offerings, which include aluminum tubes in fractional, metric, and heavy wall specifications, alongside stainless steel bar stock in round, square, and flat profiles. The resource highlights the availability of a diameter sizing chart and direct contact options for specialists, indicating a focus on providing specific material dimensions and expert support for custom fabrication needs. The company emphasizes its role as a supplier of raw materials, crucial for hams engaged in DIY antenna builds or structural components for their shacks. Their inventory supports the precise mechanical requirements often encountered in radio frequency engineering, where material strength, weight, and corrosion resistance are critical design factors for outdoor installations. The site primarily serves as a product catalog and contact point for sourcing specialized metal tubing and bar stock, providing technical specifications and material grades relevant to robust amateur radio infrastructure.
-
A well documented PDF document containing picture sequence taked during the repair of an Icom IC-7700 HF transceiver power amplifier module
-
eHam users reviews on the TS-480SAT
-
-
Forum thread about the Yaesu VX-170 at trainorders.com
-
eHam reviews for the Ameritron AL-811 linear amplifier
-
Ekins offers an fc preparatory training class for grol and for all commercial licenses, permits and endorsements, including gmdss, stcw and the 70-hour coast-guard approved course.
-
This video will provide a foundation for understanding how power amplifier circuits work. If you are new to High Frequency Power Amplifier Circuit Design, this is the place to start.
-
eham users reviews of the Kenwood TS-570S(G) series
-
Maintained by Larry Tree Tyree N6TR
-
Yaesu VX-8R eham users reviews
-
-
Accessing this interface provides entry to one of the largest databases for amateur radio voice repeaters, encompassing over 8000 entries from more than 60 countries. The resource supports both desktop and mobile access, with a default display based on browser type, or forced via a "force" parameter (e.g., relais.dl3el.de?force=mobile). Users input a QTH-locator to find local repeater information. The database integrates FM-Funknetz servers and hotspots, potentially creating duplicate entries but ensuring new FM-Funknetz repeaters are immediately displayed. DMR repeater information, including status and talkgroup configurations, is sourced directly from DMR+ / ircDDB and Brandmeister systems, with real-time updates for active and default talkgroups. C4FM/Wires-X installations, particularly MMDVM-based gateways not listed in Yaesu's database, are identified through Brandmeister dashboard descriptions, marked with "W-x" or "W-x#MMDVM" for manual entries. D-Star repeater data from ircddb or QuadNet2 is also incorporated, with entries marked (i), (o), or (d) for manual additions. An APRS interface allows searching by callsign, using Sassan, DL3NCK's database, and offers a mobile-friendly, auto-refreshing display that follows an APRS station. Output data can be generated in GPX format for offline smartphone maps or CSV for spreadsheet applications. The database also attempts to determine valid repeater offsets based on IARU region and frequency, indicated by a "." after the frequency.
-
EB5AGV Workbench: Yaesu FL-2100B amplifier restoration
-
promote exchange of technical infomation and help with the setup and operation of the UIDIGI firmware.
-
This resource, a blog from the Penang Amateur Radio Club (PARC), offers insights into various aspects of amateur radio in Malaysia. One post details monitoring Automatic Terminal Information Service (ATIS) on the 2m band, providing specific frequencies like 122.750 MHz AM for Butterworth and 126.400 MHz AM for Penang, along with sample aviation weather and operational data. Another entry critiques the lengthy and costly process of obtaining an amateur radio license in Malaysia, contrasting it with the more streamlined FCC licensing system in the United States, citing a 1-year wait and RM 414 (USD 125) for 10 years in Malaysia versus 3 weeks and USD 14 for 10 years in the US. The blog also covers internal club matters, such as the 2007 Annual General Meeting (AGM) attendance and council elections, highlighting member dissatisfaction with outdated newsletters and a call for "reformasi." Additionally, it presents local phonetic alphabets in Bahasa Malaysia and Chinese, and discusses monitoring AM broadcast bands for international stations like Voice of America on 1575 kHz and Zhong Yang Ren Min Guang Bo Dian Tai on 1134 kHz, offering alternatives to local 2m repeater chatter. The author, "firstclass," shares personal observations and criticisms regarding the Malaysian ham radio landscape.
-
-
Covers 10m 12m 15m 17m 20m 30m 40m and 100 KHz on 80m, & WARC Eham Reviews
-
October 2003 QST article on working digital mondes with sound card interfaces
-
-
The Short Mountain Repeater Club (W4YXA) maintains an open repeater operating at 146.910 MHz using a negative offset (146.310 MHz). The repeater is located about 60 miles SSE of Nashville, Tennessee
-
Replacing the Yaesu FT100D SRF7043 VHF/UHF RF MOSFET Power Amplifier
-
eham review of the ICOM IC-756PRO
-
An High voltage power supply design by F1FRV