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audio

445 links - and 7 categories

Internet and Radio : Sounds
  • DX Pedition Audio Recordings - A collection of audio recordings of some DX Peditions used as case studies to evaluate dxspedition operatios behaviour and calling stations. These audio files are excerpts from real pileups recorded directly off the air in MP3 format
    [ Hits: 173 | Votes: 0 | Rating: 0 ]
Operating Modes : Digital Modes
  • FSK vs AFSK - In the field of RTTY transmissions with audio boards, you can transmit either in FSK or AFSK mode. Which is better: FSK or AFSK? Advantages and Disadvantages of both methods
    [ Hits: 155 | Votes: 0 | Rating: 0 ]
  • Digital Mode General Operating Tips - Start by getting your audio levels sorted out, Having your levels correct is critical to maximum effectiveness in both TX quality and also for being able to decode signals properly. Guide to Filters and other Rig Settings to optimize your output signal
    [ Hits: 183 | Votes: 1 | Rating: 9 ]
Operating Modes : Morse code : Morse Code Practice Audio Files
  • Morse Code Audio Lessons - Morse Code Training online audio recordings, grouped in three different levels for a total of 37 different exercises provided by Scarborough Amateur Radio Society
    [ Hits: 394 | Votes: 3 | Rating: 2 ]
Radio Equipment : HF Transceivers : ICOM IC-756
  • ICOM 756 and 756PRO - Ini this article the author compare the Icom 756 and Icom IC 756 PRO. Comparison is very detailed and includes S Meter Calibration, Microphone Gain, Transverter Jack, the noise blanked, the spectrum analyzer, audio quality, notch filter, compression meter, noise reduction, sensivity and filter settings along to many other features making this article a must for who want to compare this two models
    [ Hits: 230 | Votes: 1 | Rating: 8 ]
Radio Equipment : HF Transceivers : Icom IC-7300
  • IC7300BKT Icom IC-7300 CAT Control - Windows PC control program for the Icom IC-7300 transceiver. Power-on and Power-off by software BktNetInterface for JTDX and WSJT-X, audio recording, memory management, cw keyer management, Interface for other software
    [ Hits: 461 | Votes: 2 | Rating: 7 ]
Software : APRS
  • Decoding APRS via WebSDR - How-to decode and Display APRS Packets from WebSDR Audio using linux computer
    [ Hits: 355 | Votes: 0 | Rating: 0 ]
Software : Audio Recorders
  • Pass Recorder - Pass Recorder is a small application that records audio from satellite passes based on tracking data it receives from the commonly used SatPC32 application
    [ Hits: 186 | Votes: 0 | Rating: 0 ]
Software : Audio Streaming
  • remoteAudio - audio streaming application - remoteAudio is an multi platform Audio streaming application for Amateur Radio purposes. The most typical use case for this software is the remote operation of an amateur radio station. remoteAudio supports multiple users and multiple audio sources. At any time multiple clients can listen simultaneously on the same radio, although remoteAudio only allows one user to transmit.
    [ Hits: 528 | Votes: 2 | Rating: 5.5 ]
Software : Macintosh
  • xCAT xDAX for macOSX and FlexRadio 6000 - xCAT is an helper application for the FlexRadio 6000 series running on macOS computers to control via CAT protocol tranceivers, while xDAX purpose is to provide a way for Digital Mode Software like Fldigi, WSJT-X to access the digital audio data (DAX) of the FlexRadioTM
    [ Hits: 194 | Votes: 0 | Rating: 0 ]
Software : Radio Control
  • Win4IcomSuite ICOM Radio Control Software - The Ultimate Control Software for the IC-7300, IC-7610, IC-7600, IC-7850, IC-7851 and Others is a control software suite that includes additional interesting features such as support for the built in Spectrum Scope, Audio monitors, Shortwave DB, CW Terminal, Clublog Spotting, Memory management, interface to Ham Radio Deluxe Logbook, DM780, n1mm+, log4om, DXLab and other. Runs on Windows OS, commercial licence.
    [ Hits: 361 | Votes: 1 | Rating: 1 ]
Software : Weak Signal
  • 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 ]
Technical Reference : APRS
  • Barest of bones APRS RF position reporter - Super Simple APRS Position Reporter. This project idea has been in response to the more hardware heavy Raspberry Pi projects that involve extra TNC hardware, additional sound cards, and custom cabling. This APRS position reporter is done using a Raspberry Pi B+, USB GPS receiver, Baofeng UV-5R, and a mono 3.5mm audio cable between the Pi and HT.
    [ Hits: 182 | Votes: 0 | Rating: 0 ]
Technical Reference : HF Radios
  • Homebrew a High Performance SSB RTX for 14 MHz - This article describes the construction of a high performance transmitter and receiver for SSB (voice) communication covering the 14MHz (20 meters) high frequency amateur radio band with output range 15 to 20 watts and a top audio sound quality both on transmit and receive.
    [ Hits: 345 | Votes: 5 | Rating: 7.8 ]
Technical Reference : Headsets and Speakers
  • Headsets Reviews and Observations - A selection of speakers or headphones for use with amateur radio equipment. Includes an interesting paragraph comparing Dynamic and Electret Condenser Microphones, but also about audio Equalization.
    [ Hits: 522 | Votes: 0 | Rating: 0 ]
Technical Reference : Radio Frequency Interference : Noise Reduction
  • Mains Filter for EMC & Noise Reduction - This article shows how to make a mains filter that can be extremely effective in reducing and in some cases eliminating completely EMC from the electricity supplying your shack
    [ Hits: 307 | Votes: 3 | Rating: 3.67 ]
Technical Reference : Raspberry Pi
  • A Simple Raspberry APRS Position Reporter - Barest of bones APRS RF position reporter using a Raspberry Pi B+, USB GPS receiver, Baofeng UV-5R, and a mono 3.5mm audio cable between the Pi and the radio
    [ Hits: 328 | Votes: 0 | Rating: 0 ]
Technical Reference : Sound Card Radio Interfacing
  • Optocoupled Transceiver-PC Audio Isolator project - An optocoupled audio interface between PC and Transceiver for digital modes. The article includes full schematic of complete board and build instructions.
    [ Hits: 197 | Votes: 0 | Rating: 0 ]
  • Apple MacBook interface for digital modes - How to make a custom Line In connector for apple macbook or iMac to connect your amatur radio transceiver. A simple modification of a standard USB audio interface can work.
    [ Hits: 135 | Votes: 0 | Rating: 0 ]
Technical Reference : VHF Radios
  • TYT MD-390 Rx Audio Issue - Common issue on the TYT MD-390 when the speaker start sounding like it is broken, but it depends by the external mic cover.
    [ Hits: 171 | Votes: 1 | Rating: 10 ]

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