Search results
Query: com
Links: 7718 | Categories: 262
This query is too generic. Please try adding an additional term to focus your research.
Categories
- Radio Equipment > HF Amplifiers > Acom 1000
- Radio Equipment > HF Amplifiers > Acom 1010
- Technical Reference > Components > Component Database
- Shopping and Services > Electronic Components
- Manufacturers > Electronic Components
- Manufacturers > Transceivers > Icom
- Radio Equipment > Antenna Tuners > Icom AH-4
- Radio Equipment > VHF-UHF Mobile > ICOM IC-2100H
- Radio Equipment > VHF-UHF Mobile > Icom IC-2300H
- Radio Equipment > VHF-UHF Mobile > ICOM IC-2720H
- Radio Equipment > HF Transceivers > Icom IC-7000
- Radio Equipment > HF Transceivers > Icom IC-703
- Radio Equipment > HF Transceivers > Icom IC-705
- Radio Equipment > HF Transceivers > Icom IC-706
- Radio Equipment > HF Transceivers > Icom IC-7100
- Radio Equipment > HF Transceivers > Icom IC-718
- Radio Equipment > HF Transceivers > Icom IC-7300
- Radio Equipment > HF Transceivers > Icom IC-746
- Radio Equipment > HF Transceivers > ICOM IC-756
- Radio Equipment > HF Transceivers > Icom IC-7600
- Radio Equipment > HF Transceivers > Icom IC-7700
- Radio Equipment > HF Transceivers > Icom IC-7760
- Radio Equipment > HF Transceivers > Icom IC-7851
- Radio Equipment > HF Transceivers > Icom IC-9100
- Radio Equipment > Receivers > Icom IC-R20
- Radio Equipment > Receivers > Icom IC-R7100
- Radio Equipment > Receivers > Icom IC-R75
- Radio Equipment > VHF-UHF Mobile > Icom IC-V8000
- Radio Equipment > VHF-UHF Handhelds > Icom ID-51A
- Radio Equipment > VHF-UHF Mobile > ICOM ID-880H
-
Details the Virtual COM Port (VCP) drivers for Silicon Labs CP210x USB to UART Bridge devices, which are crucial for establishing serial communication between a host system and CP210x-based hardware. It covers driver availability for Windows, macOS, Linux, and Android, highlighting the necessity of these drivers for operating CP210x products as a virtual COM port. The resource also mentions the option for direct access drivers and references _Application Note 197_ for comprehensive serial communication guidance. The page specifies that the CP210x Manufacturing DLL and Runtime DLL have been updated, requiring their use with v6.0 and later of the Windows VCP Driver, impacting specific application note software downloads like AN144SW.zip. It notes that Linux 3.x.x and 4.x.x driver versions are maintained within the _Linux kernel tree_ at www.kernel.org, ensuring ongoing support. Legacy OS software is also provided for users requiring support for 5.x drivers, ensuring broad compatibility.
-
108 Alfa Tango 101 - My personal CB Radio and 11m DX homepage.
-
Operating an **Echolink** gateway on the 4-meter band presents unique opportunities for extending VHF communications, as demonstrated by the EI4FMG node. Situated at Fieldstown, Monasterboice, this gateway provides coverage across a significant portion of Ireland's east coast, leveraging a Tait TM8100 radio and an EI4JR Echolink interface logic. My own experience with similar setups confirms the importance of strategic site selection for maximizing reach, particularly with a 122-meter elevation above sea level. Access to the EI4FMG gateway, identified by node 57006, requires a **CTCSS** tone of 88.5 Hz, a standard practice for managing access and minimizing interference on shared frequencies. The system transmits with 15 watts of power and utilizes a Sigma CAT70 @5MAGL antenna, a configuration well-suited for regional VHF coverage. The gateway also features an auto-ID every 8 minutes, ensuring compliance and clear station identification. Users can interact with the gateway using various DTMF commands, allowing for connections to specific nodes, random repeater/link or conference nodes, and managing disconnections. These functionalities streamline the process of linking into the broader Echolink network, enabling local VHF operators to communicate globally through the internet backbone.
-
FURUNO provides advanced marine communication systems for merchant, fishing, and recreational vessels, including radar, AIS, ECDIS, weather fax receivers and satellite equipment, enhancing safety and efficiency at sea.
-
Receiving Digital Amateur Television (DATV) signals requires specialized software to interface with hardware tuners and decode the video stream. The _MiniTioune_ software, developed by F6DZP, serves this purpose, providing a Windows-based application for DVB-S and DVB-S2 reception and analysis. It is designed to work in conjunction with _MiniTiouner_ hardware, enabling hams to monitor DATV transmissions, including those from the QO-100 geostationary satellite. The resource outlines the initial setup process, including connecting the MiniTiouner hardware via a high-quality USB2 mini cable and running diagnostic test software. It details how to configure essential parameters such as symbol rate (SR), FEC rate, and DVB mode for various signal sources, from domestic satellite dishes to local DATV transmitters. Troubleshooting steps for common issues like "no video displayed" are also provided, often pointing to corrupted software filters or incorrect _Auto PID_ settings. Advanced features like the Web monitor for remote signal reporting and integration with _VLC_ media player for more tolerant decoding of non-DVB compliant signals are covered. The document also references a comprehensive user guide by W6HHC for the _MiniTiouner-Express_ system, which utilizes the same software, offering further in-depth assistance for operators.
-
Monitoring public safety communications, particularly fire department dispatch, presents a unique challenge as agencies increasingly move towards encrypted systems. This Broadcastify feed, originating from a _BCD396XT_ scanner situated in northern San Diego City, provides real-time audio for the San Diego City Fire Department. While it previously included police dispatch, those transmissions are now fully encrypted, a common trend impacting scanner enthusiasts and emergency services observers alike. The setup utilizes a Windows server running _Freescan_ and _RemoteFS_ for remote control, ensuring consistent operation and clear audio via a ground loop isolator. With a peak of 8,785 listeners in the last 24 hours, the feed demonstrates significant interest in local emergency traffic. Alpha tags, indicating the current channel, are generally available for premium users, enhancing situational awareness for listeners. Feed archives are maintained in 30-minute segments, allowing for review of past incidents and operational patterns, a valuable feature for those studying emergency response or simply keeping informed about local events.
-
We are excited to share the news about the inaugural URC DX RTTY Contest, organized by the Unicom Radio Club! We would greatly appreciate your support in spreading the word within the RTTY community.
-
Presents the 4th edition of the IARU Region 1 Ethics and Operating Procedures for the Radio Amateur, a fully rewritten guide published in July 2026. It establishes a shared basis for respectful and effective communication within the amateur radio community, building upon over fifteen years of prior work. The document details the purposes of amateur radio, principles of non-interference, electromagnetic compatibility, and station safety. It specifies operating procedures, including listening practices, adherence to IARU and national band plans, appropriate transmission content, use of Q-codes, and the phonetic alphabet. The guide provides instructions for conducting QSOs across phone, CW, and various digital modes. Specific sections address managing pileups, participating in contesting, engaging in DX and DXpedition operations, operating portable or mobile, and conducting station testing. Further sections cover VHF and UHF operating considerations, ensuring a comprehensive resource for both experienced operators and those new to the hobby.
-
Operating a _MeshCom_ node requires specific firmware, and this web-based installer, developed by OE1KFR, streamlines the process for ESP devices. It provides a user-friendly interface for flashing and updating the MeshCom firmware, emphasizing the critical step of using the ERASE option during initial installations or when transitioning from other applications. The tool also advises users to verify their device settings after upgrading to firmware version **4.35p**, ensuring proper operation and configuration retention. This installer simplifies the deployment of MeshCom for amateur radio operators interested in mesh networking and LoRa applications. By offering a direct web interface, it removes the need for complex local toolchain setups, making it accessible for a broader range of hams. The direct download option for firmware versions further enhances its utility, providing flexibility for users to select the appropriate release for their specific ESP hardware.
-
The LZ Amateur Radio Club (LZARC) operates with the club callsign **KF0LZ** and utilizes BrandMeister Talkgroup 3205642, YSF Reflector 56420 (US-LZARC), and EchoLink node 536844 for digital voice communications. This club, based in Joplin, Missouri, provides online FCC amateur radio license testing for Technician, General, and Amateur Extra class licenses, facilitating entry into the hobby. LZARC actively promotes hands-on RF experimentation, mesh networking with **Meshtastic**, and participation in **Parks on the Air** (POTA) activations. LZARC hosts regular events including the N0NMS Youth Net on 145.350 MHz (PL 91.5), the LZMesh Net on the LZMesh Meshtastic Channel, and the LZARC Digital Voice Net (CHAOS Net) via BrandMeister TG 3205642. The club maintains an active Discord server with over 300 members for daily conversations, project discussions, and quick support. Recent updates highlight member upgrades and participation in local hamfests, demonstrating a focus on community engagement and operator development across Missouri, Arkansas, Oklahoma, and Kansas.
-
The Meshtastic project leverages _LoRa_ radio protocol to establish a long-range, off-grid communication platform, functioning as a decentralized mesh network. It facilitates sending and receiving text messages using inexpensive LoRa radios, eliminating reliance on traditional infrastructure or a smartphone for core mesh communication. Key features include encrypted communication, extended battery life, and optional GPS-based location services, with radios designed to rebroadcast messages to ensure delivery across the mesh. This system has demonstrated a record range of **331km** and is entirely community-driven and open source, with its codebase hosted on GitHub. Unlike conventional amateur radio, Meshtastic operates on LoRa frequencies generally accessible without specific licenses. Each Meshtastic radio can pair with one phone for message exchange, and support is provided by volunteers.
-
Manages log consistency across multiple digital mode applications, specifically addressing the common issue of log divergence between _MSHV_ and _WSJT-X_ for FT8, FT4, and other weak-signal modes. This prevents duplicate contacts and ensures accurate DX tracking when using both programs. The utility computes a deduplicated union of entries from both `_mshvlog.edim` and `_wsjtx.log` files, then updates each log with missing QSOs. It supports a deduplication key based on callsign, date, time (to the minute), band (derived from frequency), and mode. The tool is available as a standalone Windows executable or a Python version requiring Python 3 with _Tkinter_. Users select log folders, close both applications, and initiate the 'Merge' function. The process includes automatic timestamped backups of log files before any modifications, safeguarding QSO data.
-
The Bahamas Amateur Radio Society (C6ARS) serves as the primary amateur radio club for the Bahamian archipelago, providing a hub for operators interested in DXing, portable operations, and emergency communications. The society actively participates in Parks on the Air (POTA) activations monthly, deploying portable stations to various parks and protected areas to put The Bahamas on the air for global hunters. Additionally, C6ARS engages in the annual ARRL Field Day, setting up off-grid stations powered by batteries, solar, and generators to practice emergency preparedness and operating skills. C6ARS also offers licensing assistance and mentorship for new operators, highlighting amateur radio's role as a STEM education platform through practical applications in physics, electronics, mathematics, and computing. The club emphasizes resilient emergency communication, particularly crucial for an island nation in the hurricane belt, demonstrating how trained operators can maintain vital communication links when conventional infrastructure fails. Their regular off-grid activations serve as rehearsals, ensuring readiness for disaster response.
-
For amateur radio operators seeking resilient, off-grid communication, the _MeshCom_ firmware provides a robust solution for text-based messaging over a mesh network. Utilizing LoRa modulation and the APRS protocol, this firmware is designed for low-energy consumption and cost-effective hardware, primarily operating in the 70cm band. Nodes, identified by amateur radio callsigns, can send short text messages to all participants or directly to specific callsigns, functioning as repeaters to extend network reach. The system supports automatic status and position messages, with optional sensor data for WX-Data and Telemetry. MeshCom nodes can be configured as gateways to HAMNET or the internet, enhancing connectivity options. The project emphasizes a self-building and self-healing mesh network architecture, crucial for emergency communication scenarios. Operating frequencies include **433.175 MHz** (EU, USA, Africa), 439.9125 MHz (UK), and 433.925 MHz (Norway). The firmware is compatible with hardware platforms such as ESP32/LoRa modules, RAK-WISBLOCK, and ESP32-DEV4/E22-LoRa, offering a flexible deployment for various amateur radio applications.
-
The Llanelli Amateur Radio Society (LARS) website details the club's offerings for both licensed operators and those new to amateur radio, including shortwave listeners and individuals pursuing Foundation, Intermediate, or Full licenses. It highlights opportunities to learn radio techniques, explore digital modes such as C4FM, D-Star, DMR, and FreeDV, and participate in contests and social events. The club aims to foster a supportive environment for experimentation and knowledge sharing among its members. Member testimonials illustrate practical applications, such as a new licensee making a 1000km contact via a repeater after being inspired by space exploration, and another quickly passing the RSGB Foundation exam. The site also features accounts of members progressing to Intermediate and Full licenses, with one Full license holder continuing to learn new modes like CW and digital, and engaging in activities like Parks on the Air (POTA).
-
The State QSO Party Challenge is an annual program recognizing amateur radio operators' participation in U.S. State and Canadian Province QSO parties. To qualify for the SQP Challenge, participants must make at least two QSOs in a minimum of two SQP Approved QP contests and submit their scores to 3830Scores.com. The site details the SQP Mobile/Portable Challenge, an overlay competition encouraging mobile/portable operations, with scoring identical to the main SQP Challenge: (Number of QPs entered) x (Number of QSOs) = Score. Eligibility for the Mobile/Portable Challenge requires prior qualification for the SQP Challenge. The website also mentions a State QSO Party Club Challenge and provides contact information for questions. The 2026 SQP Challenge will be dedicated to Stan Zawrotny, K4SBZ, a key team member instrumental in the program's development. Participants are recognized for reaching five levels of achievement: Bronze, Silver, Gold, Platinum, and Diamond. Scores are calculated by totaling reported contacts and multiplying by the number of SQPs entered year-to-date, encouraging more entries and longer operating times. The Worked All QSO Parties (WAQP) program, sponsored by Icom America, offers certificates for participating in at least 50% of approved contests, with a goal of participating in all. WAQP requires submitting a log with at least two valid contacts to the contest manager, in addition to the 3830scores.com submission.
-
Presents the NED International DX Group, a **CB radio** organization established in the Netherlands on August 23, 2026, by 19NED000 and 19NED001 Henricus. The group primarily operates on the **11-meter band**, utilizing various modes including FM, AM, LSB, USB, CW, FT8, FT4, FT2 Ross, and JS8, with all digital modes permitted. Membership is free and open to active operators and SWLs. Key operating frequencies include 27.405 LSB, 27.265 USB for FT8, and 27.245 USB for JS8. The group also maintains activity on PMR Channel 10 at 446.11875 MHz FM. The organization is actively seeking volunteers for roles such as webmaster (proficient in PHP, MySQL, and security), digital eQSL and paper QSL card management, logo and banner design, and country/province directors.
-
The H49A DXpedition to the Solomon Islands (OC-047, IOTA OC-047) is scheduled for a 13-day operational period, commencing on October 9th and concluding on October 21st, 2026. This **DXpedition** will feature a six-member team, including Rolando (9A3MR) as Team Leader, Zrinko (DK8ZZ/YT3ZZ), Mladen (9A2NA), Frane (9A3CJY), Kristijan (9A4WY), and Livio (9A7Y). Operations are planned across all **HF bands** and 6 meters, utilizing CW, SSB, and FT8 modes. This activity provides a significant opportunity for radio amateurs worldwide to log the Solomon Islands, a sought-after DXCC entity. The team aims to maximize contacts across various bands and modes, contributing to global DXCC and IOTA awards. Specific QSL routes and logistical details are anticipated to be published closer to the operational dates.