automatic radio
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Antennas : Portable- An automatically tuned 7 to 30 MHz mobile antenna
- For every radio amateur who loves to travel by car, a mobile installation soon becomes a necessity.
While in inhabited areas there is usually some coverage of VHF repeaters, in many other places VHF radios are useless. In these very places, HF can provide reliable contacts, and a lot of fun, from anywhere.
[ Hits: 258 | Votes: 1 | Rating: 10 ]
- Semi-automatic antenna tuner project
- Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)
[ Hits: 291 | Votes: 0 | Rating: 0 ]
- ICOM Tuner Connector
- Many Icom radios e.g.7100 have a connector for automatic tuners such as the Icom AH4. The cable supplied by Icom is of a fixed length 10m and is not shielded. Icom recommends to use shielded cable for any length greater than 10m.
[ Hits: 232 | Votes: 1 | Rating: 10 ]
- Score Distributor - Ham Radio Contest Score Forwarder
- Distributing contest scores in real time to online scoreboards. he score distributor automatically forwards any score data it receives from contest logging software to the following online scoreboards:
Contest Online ScoreBoard (COSB by VA2WA,K2BB,K5ZD)
Live Contest Score Server (by R4WW)
[ Hits: 120 | Votes: 0 | Rating: 0 ]
- HA8DU Antenna Tuners
- HA8DU European manufacturer of quality amateur radio antenna tuners for HF Bands, from 10 meter to 160 meters band. Products includes manual and automatic antenna tuners, power handling till 3.5 KW. HA8DU produce even custom made variable capacitors and rotary switches.
[ Hits: 396 | Votes: 4 | Rating: 7.5 ]
- Morse Key History
- An overview of the development of the Morse key for sending the Morse Code, from the first camelback keys, through straight keys and sideswiper keys to the semi automatic keyers including the Vibroplex to the modern electronic keyer.
[ Hits: 193 | Votes: 0 | Rating: 0 ]
- Automatic Position Reporting System for HF
- A basic introductionto APRS on HF Bands for radioamateurs and how to setup an APRS tracker using Argent Data Systems T3 Mini TNC device, configured and assemble ready for portable operations.
[ Hits: 148 | Votes: 0 | Rating: 0 ]
- Morse Telegraph - Key and Keyer - History and Development
- An overview of the development of the Morse key for sending the Morse Code, from the first camelback keys, through straight keys and sideswiper keys to the semi automatic keyers including the Vibroplex to the modern electronic keyer.
[ Hits: 434 | Votes: 0 | Rating: 0 ]
- Semi Automatic Bug Keys Collection
- A collection of morse telegraph and radio items
[ Hits: 74 | Votes: 0 | Rating: 0 ]
- Keys to Good Code
- Article appeared on 73 amateur radio today in 1999 on how to unlock the secrets of sending precise Morse Code. Article contains hints on how use the stright key and the sideswiper key, but even the electronic keyers or the semiautomatic keys.
[ Hits: 334 | Votes: 1 | Rating: 9 ]
- VHF APRS Propagation Map
- VHF – Based on realtime APRS reports. This map shows real-time radio propagation from stations operated near 144 MHz. It uses data gathered by Automatic Packet Reporting System-Internet Service (APRS-IS) from packet stations in the amateur radio service.
The map shows activity from the past hour. Paths are smoothed to create a color-coded footprint indicating the distance VHF signals are likely to be traveling.
[ Hits: 308 | Votes: 0 | Rating: 0 ]
- Coil Inductance and Q Calculator
- Calculates inductance and Q for single-layer coils made of solid or Litz wire. Uses U.S. or metric dimensions. Can automatically maximize Q. Includes accuracy data. Runs in Windows.
[ Hits: 255 | Votes: 0 | Rating: 0 ]
- N1MM Logger+
- N1MM Logger+ is one of the most popular contest logging programs for Windows and it is the evolution of the N1MM classic. N1MM Logger plus is fully free to download and to use software featuring automatic CW generation, rotator and radio control, suport for So2R, cluster support, winkeyer interface, import export cabrillo and adif formats and many more features. Download N1MM from the official web site with latest callsign files and updated.
[ Hits: 14191 | Votes: 12 | Rating: 7.37 ]
- AllScan
- AllScan is a free and open-source web app for AllStar nodes that provides Favorites Management features, AllStarLink Stats integration, and connection monitoring and control functions.
Shows your favorites in a Dashboard summary table with Keyed status, Connected Node count and other statistics.
Continually scans the status of each favorite using ASL's Stats API data showing which favorites are active and have recently been active.
Allows favorites to be connected with a single click (optionally automatically disconnecting any currently connected nodes first).
Allows the Favorites Table to be sorted by Node#, Name, Description, Location, etc.
Favorites can be added/deleted simply by entering the node# and clicking a button.
These features finally give AllStar nodes similar memory management and scan capabilities that analog radios have had for decades. AllScan is mobile-friendly and optimized for ease of use on both small and large screens. AllScan follows the latest web development standards, with PHP, JavaScript, HTML, and CSS cleanly partitioned, runs on both ASL and HamVOIP, and is very easy to install, configure, and update.
[ Hits: 20 | Votes: 1 | Rating: 8 ]
- SWL Logger
- A shortwave radio listeners log book runs on Windows and MacOS Catalina and above. The KB6IBB SWL Logger is a program designed for the shortwave radio listener. It offers shortwave specific logging of stations, with most tasks handled automatically. The program also incorporates the use of EiBi shortwave database for logging and looking up various known shortwave stations world wide.
[ Hits: 337 | Votes: 5 | Rating: 9.8 ]
- JTAlert
- JTAlert provides several audio and Visual alerts for WSJT-X & JTDX software. JTAlert generate audio and visual alerts for several alert conditions, logs automatically to several ham radio log books software like hrd dxkeeper,log4om, interoperates with web services and it supports dxlab suite.
[ Hits: 226 | Votes: 1 | Rating: 1 ]
- Mini Satellite-Antenna Rotator Mk1
- This project is a portable device used to automatically point a directional antenna towards an orbiting satellite. It takes all the effort out of little kids holding the antenna and figuring out where to point it. It allows students to talk through Amateur Radio satellites or download weather satellite images.
[ Hits: 549 | Votes: 0 | Rating: 0 ]
- Arduino Antenna Tuner
- Arduino-based Automatic Amateur Radio Antenna Tuner
[ Hits: 298 | Votes: 3 | Rating: 9 ]
- HAM Radio DIY Projects by DL8ABH
- Ham Radio DIY projects all around morse
semi-automatic and fully automatic bug keys
construction manuals o semi-and fully automatic Bug keys, portable light weight magnetic loops, making a telegraph set (school project)
and lots of kitchen projects (useful hamradio gear made by easily available material)
[ Hits: 150 | Votes: 0 | Rating: 0 ]
- Arduino CQ Caller
- Arduino automatic CW Keyer for amateur radio
[ Hits: 1466 | Votes: 2 | Rating: 4 ]
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