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Operating Modes : Longwave

  • Frequency Calibration for Weak Signal Work - Accurate calibration of your receiver and sound card is necessary for good results with the weak signal modes in use at LF. Modern receivers with master oscillators that are synthesized to provide all conversion frequencies greatly simplify the process. This article describes a method of making the necessary measurements and adjustments to an ICOM R75 receiver and a sound card, using the ARGO software
    [ Hits: 872 | Votes: 1 | Rating: 7 ]
Operating Modes : Morse code
  • The home of NuMorse and NuTest - Learn the Morse Code. Learn from random text or simulated QSO (contact) sources. Create character sequences that you find difficult. Compare your results with what the program sent and view error statistics. Take simulated tests. Sound card not essential. Evaluation version not time limited.
    [ Hits: 1950 | Votes: 2 | Rating: 10 ]
Radio Equipment : HF Transceivers : Yaesu FT-857 Software : DSP
  • ComTekk Tone Generator - ComTekk Software Tone generator for 2-way radio signaling. Use sound card to generate CTCSS, DTMF, tone remote, ANI and more. Synthesizer for simulation and testing of 2-way radio systems, repeaters, remote control, ANI, Paging and more
    [ Hits: 3072 | Votes: 2 | Rating: 1 ]
Software : Linux
  • Ham Fax - HamFax is an application for sending and receiving facsimiles in amateur radio and for receiving public facsimile broadcasts like weather maps. Supported interfaces are sound cards and the SCS-PTCII from Special Communication Systems.
    [ Hits: 5618 | Votes: 6 | Rating: 6.67 ]
Software : Morse Code Training
  • CW Player  updated - CW Player version 4 is a simple freeware program generates Morse characters and Q codes. It needs a sound card and at least Windows XP. It can generate morse code from text files, and it includes also a simple decoder function. This is a useful piece of software if you want to learn morse code reception.
    [ Hits: 24230 | Votes: 121 | Rating: 7.69 ]
Software : Multimode
  • TrueTTY - Program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK) and AMTOR-FEC (SITOR-B, NAVTEX). SELFEC SITOR decoding is possible also. No additional hardware required, need only a sound card. Optionally you can use simple circuit fo PTT-control. Can cooperate with RZ4AG AAlog logger.
    [ Hits: 18276 | Votes: 855 | Rating: 7.35 ]
  • WinWarbler - A free soundcard application supporting PSK31, PSK63, RTTY, CW, and Phone operation. It can decode all PSK QSOs within a 4 KHz segment, maintaining a sorted list of heard callsigns; it can simultaneously decode RTTY via soundcard and an external modem, generates CW directly or via WinKey, and includes a voice keyer. WinWarbler interoperates with the free Commander, DXKeeper, and SpotCollector for transceiver control, logging, and spotting.
    [ Hits: 19494 | Votes: 370 | Rating: 7.65 ]
Software : Propagation
  • Ionospheric Simulator - This program simulates a HF link, using sound card and WIN95 by Michael Keller, DL6iAK
    [ Hits: 2791 | Votes: 7 | Rating: 7.14 ]
  • PathSim - PathSim is a Windows program that can be used to simulate radio propagation paths using a soundcard and/or wave files as the source and destination.
    [ Hits: 2756 | Votes: 4 | Rating: 8.75 ]
Software : QSL
  • Simple Online QSL Generator - A funny online application that lets you build your own QSL cards based on templates. You can choose background text aligment and text to be printed on your card.
    [ Hits: 557 | Votes: 4 | Rating: 5.75 ]
Software : Software Defined Radio
  • SDR-RADIO.com - SDR-RADIO.com is a Windows console for SDR receivers and transceivers. Designed for the commercial, amateur radio and short-wave listener communities, the console provides a powerful interface for all SDR users. Many SDR owners have made their radios available over the internet. Just look at the Web Servers page for a list of the radios you can use. You do not need a licence to use this sodftware with RFSPACE, FUNcube Dongles, Soundcard (SoftRock) and low-end SDRs.
    [ Hits: 3165 | Votes: 5 | Rating: 7.4 ]
Software : Spectrum analyzers
  • Analyzer2000  pop - Superfast analyzer for audio and radio signals. Examining radio signals is the original idea of Analyzer2000. Simply connect the AF-output of your receiver to the input of your soundcard and see, what you hear. Use SSB and you will have a feeling like using an expensive IF panorama adapter. Support for this version has been discontinued.
    [ Hits: 106805 | Votes: 47 | Rating: 5.83 ]
  • SpectraScope - SpectraScope is a simple Windows interface program allowing your computer to view up to two audio waveforms in either the time or frequency domain. The program is a Windows soft panel operating as a dual channel oscilloscope and spectrum analyzer. The useful frequency of operation is 20 to 10,000 Hz in the time domain and 20 to 20,000 Hz in the frequency domain. The program uses the computer sound card to capture the audio input.
    [ Hits: 10805 | Votes: 3 | Rating: 7 ]
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: 180 | Votes: 0 | Rating: 0 ]
Technical Reference : Sound Card Radio Interfacing
  • Sound Card Interface by VK6YSF - Presented here is a transceiver to computer sound card interface complete with automated transmit key function. A sound card interface is simply the audio coupling of a computer soundcard and a transceiver to allow various computer applications that send and receive SSTV, RTTY, PSK31 and other similar modes based on soundcard generated signals.
    [ Hits: 3186 | Votes: 2 | Rating: 8.5 ]
  • PSK31 interface - A simple PSK31/digital interface which can connect your transceiver to a PC soundcard for digital modes.
    [ Hits: 850 | Votes: 0 | Rating: 0 ]
  • Sound-Card Interface for the Yaesu FT-857D - A Simple Serial and Sound-Card Interface for the Yaesu FT-857D
    [ Hits: 1846 | Votes: 2 | Rating: 3 ]
  • Isolated PTT and CW Key interface - Simple soundcard interface that can satisfy several requirements like totally isolated AF interface, Totally isolated PTT and CW Key interface, Extend Accessory connector to interface to allow easy connection of TNC and provide a solid PTT or SEND connection
    [ Hits: 155 | Votes: 0 | Rating: 0 ]
  • Soundcard Interfacing - The sudden explosion of new digital modes has taken the Amateur Radio world by storm. New modes such as PSK31 FT8 JT65 FSK441, ISCAT as well as established modes such as RTTY, SSTV, Hellschreiber and others have rocketed in popularity. In order to use these modes all that is required is a simple computer-to-radio interface which couples the computer soundcard to the radio
    [ Hits: 189 | Votes: 0 | Rating: 0 ]

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