digital communication
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Ham Radio : Blogs : USA- KD8CEC Amateur Radio Blog
- A personal blog about amateur radio activities, including homebrew, bitx, ubitx, mcHF, JT65, FT8 and more digital communications.
[ Hits: 254 | Votes: 1 | Rating: 10 ]
- WR7HLN DMR Montana
- DMR in Helena, Montana. Experiments in Digital Amateur Radio Communications
[ Hits: 259 | Votes: 0 | Rating: 0 ]
- Tait Communications
- 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.
[ Hits: 255 | Votes: 1 | Rating: 1 ]
- Aircraft Scatter on 6 Meter FT8
- Aircraft scatter is easily seen on the spectrogram window of digital communication apps, when you know what to look for. Examples of real aircraft scatter usage on six meters band
[ Hits: 180 | Votes: 2 | Rating: 9.5 ]
- DStar - Digital Smart Technologies for Amateur Radio
- General informantion and introduction to D-Star explaining what is for D-Start and the practical usage of D-Star in amateur radio communications
[ Hits: 211 | Votes: 2 | Rating: 9 ]
- New England DMR
- 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
[ Hits: 270 | Votes: 0 | Rating: 0 ]
- Ribbit digital text messaging mode for HF/VHF/UHF
- Ribbit is a novel digital text messaging mode for VHF/UHF communications for recreational and emergency use which radically increases the density of information transmitted by spectrum used. It leverages the computing power of the modern smartphone to increase the capabilities of any Handy Talkie without requiring any additional hardware or cable. A Ribbit message is fixed in duration at 1250 milliseconds. It is sent over audio modulation with a 2kHz bandwidth centered on 1.5kHz. It is preceded by 400ms of white noise to open analog squelch circuits.
[ Hits: 133 | Votes: 1 | Rating: 10 ]
- Optimizing TX/RX Levels in WSJT-X
- Exploring digital radio modes, the author rethinks how to adjust transmit and receive levels in WSJT-X. Despite effective communication using Yaesu's settings, a new procedure aims for better performance. For RX, set audio device levels to 100%, disable AGC, and adjust RF gain. For TX, enable "Remember power settings" and adjust power output to avoid ALC engagement. This method ensures reliable communication without signal degradation, enhancing dynamic range and minimizing noise.
[ Hits: 49 | Votes: 0 | Rating: 0 ]
- JT65 ‐ HF Operation Guide
- Get familiar with the basic operating procedures for using the JT65 mode of HF digital communications, a 35 pages PDF file.
[ Hits: 871 | Votes: 0 | Rating: 0 ]
- UltraPortable Amateur Digital Communications
- A group for sharing, learning or presenting practical ideas and field experience for Ultra portable ham radio digital comm
[ Hits: 412 | Votes: 0 | Rating: 0 ]
- What is System Fusion
- System Fusion is a digital communications mode for voice and data, including pictures. It utilizes a customized, yet open, C4FM FDMA standard. An introduction to Yaesu System Fusion by Wireless Society of Southern Maine
[ Hits: 109 | Votes: 0 | Rating: 0 ]
- Digital Modes with Yaesu FT-817
- Setting up the Yaesu FT-817 and Signalink for data mode communication. Hardware and software required for data mode communication, connect and configure FT-817 and Signalink
[ Hits: 58 | Votes: 0 | Rating: 0 ]
- Scanning frequencies
- HF digital mode transmissions, voice transmissions in HF and VHF Bands collected in several XLS files by Relic Radio communications
[ Hits: 138 | Votes: 0 | Rating: 0 ]
- Locura Digital
- Locura Digital is a Radio-Communication Professional company, dealer for wide range of amateur radio products, based in Barcelona Spain
[ Hits: 366 | Votes: 1 | Rating: 8 ]
- WSJT-X Download Page
- WSJT-X - Weak Signal Communication, by K1JT - offers specific digital protocols optimized for EME (moonbounce), meteor scatter, and ionospheric scatter, at VHF/UHF, as well as for LF, MF, and HF propagation. The program can decode fraction-of-a-second signals reflected from ionized meteor trails and steady signals more than 10 dB below the audible threshold. WSJT-X incorporates nearly all popular capabilities of programs WSJT and WSPR, while adding comprehensive rig control and many other features. Open-source, download latest version for Windows, Linux, Macintosh OS X.
[ Hits: 8755 | Votes: 50 | Rating: 7.1 ]
- ITU Synergizing AI and Radiocommunications for Smarter Connectivity
- Explore the pivotal role of artificial intelligence in advancing emerging radio technologies, facilitating ubiquitous connectivity essential for sustainable development, the digital economy, and the Internet of Things, guided by ITU's harmonized regulations and standards.
[ Hits: 12 | Votes: 0 | Rating: 0 ]
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