Voice

Voice

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• Building a VHF Contest Station - Building an amateur station for competitive radiosport involves a number of critical steps, regardless of the band or bands you focus on. These include, but are certainly not limited to: Station layout, Equipment interconnection and switching, Inter-station interference, Antenna selection. Radio interface with the logging program, CW and voice keyer integration, Rotator control
  [ Hits: 336 | Votes: 1 | Rating: 4 ]

• M17 digital radio protocol for data and voice - M17 is a community of open source developers and radio enthusiasts. We are building understandable systems in support of the hackers and experimenters' history of ham radio. M17 is developing open source hardware, software, and offers a complete digital radio protocol for data and voice, made by and for amateur radio operators. M17 voice mode uses the free and open Codec 2 voice encoder.
  [ Hits: 56 | Votes: 17 | Rating: 9.47 ]

• SM1000 FreeDV Adaptor - The SM1000 allows you to run FreeDV without a PC. Connect the SM1000 to your SSB radio, and you now have Digital Voice (DV). You don’t have to buy a new radio to run Digital Voice! It’s based on a STM32F4 micro-controller, has a built in microphone, speaker amplifier, speaker, and transformer isolated interfaces to your radio.
  [ Hits: 129 | Votes: 0 | Rating: 0 ]
• FreeDV - Digital Voice for HF bands - FreeDV uses an audio codec as a software based modem to decode and encode the voice and text data from your computer. The data is encoded and then is transmitted over the HF radio using AF signals that can then in turn be decoded by the receiving station.
  [ Hits: 92 | Votes: 0 | Rating: 0 ]

• QRP - Low Power Operating ARRL - QRP is a way of operating that involves using low power transmitters, that are no more than 5 Watts for Morse or data modes, or 10 Watts pep for voice. Introduction to QRP operations
  [ Hits: 73 | Votes: 1 | Rating: 8 ]

• Speech synthesiser for FT-817 - This construction project is for anyone wanting to give this popular little radio a voice of its own. This Speech synthesiser reads out the current frequency, mode and menu settings whenever they are changed via the front-panel controls
  [ Hits: 125 | Votes: 0 | Rating: 0 ]

• Adding the DVS-6 on Yaesu 950 - Adding the DVS-6 voice memory unit to the Yaesu FT-950. Official instructions are not very clear, and in this article the author document the way the DVS-6 module should be installed into the FT-950
  [ Hits: 15 | Votes: 0 | Rating: 0 ]

• Retevis RT3 Tytera MD-380 Modifications - Collection of modifications for the Retevis RT3, a monoband handheld transceiver for DMR (digital voice) and analog FM. It is almost identical to the Tytera MD-380.
  [ Hits: 106 | Votes: 0 | Rating: 0 ]

• MFJ-434 Voice Keyer - Let this microprocessor controlled MFJ Contest Voice KeyerTM call CQ, send your call and do contest exchanges for you in your own natural voice
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• Scanning frequencies - HF digital mode transmissions, voice transmissions in HF and VHF Bands collected in several XLS files by Relic Radio communications
  [ Hits: 139 | Votes: 0 | Rating: 0 ]

• Pi-Star Digital Voice Software - Pi-Star is a software image built initially for the Raspberry Pi. The design concept is simple, provide the complex services and configuration for Digital Voice on Amateur radio in a way that makes it easily accessible to anyone just starting out, but make it configurable enough to be interesting for those of us who cannot help but tinker.
  [ Hits: 87 | Votes: 1 | Rating: 10 ]

• CWvox - A voice keyer for Morse Code written for Arduino
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• Voice Keyer for the backpack - Build a Ham Radio Voice Keyer for the Backpack
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• The iKeyPad for ICOM Radios - The Icom series of radios from the IC-746 Pro on to the latest 7800 radios have a 4 memory digital voice and CW keyer built into the radio. This external Keypad, based on the official Icom circuitry can considerably help you on using the voice and cw keyer
  [ Hits: 58 | Votes: 1 | Rating: 8 ]

• Automated Voice announcements over RF - Automated voice announcements project built to have an automated way to deliver club announcements via the repeater network.
  [ Hits: 63 | Votes: 1 | Rating: 10 ]

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