digital

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digital

445 links - and 21 categories

Antennas : 40M : 40 meter Dipole Antennas
  • Ham radio 40-meter dipole: your first antenna - How to home made a custom home made dipole antenna for the 40 meters band, just 66 feet long. Enjoy the band openings during the evening and play morse code or digital modes on this magic band.
    [ Hits: 198 | Votes: 0 | Rating: 0 ]
Manufacturers : Interfaces
  • G3LIV Data Interfaces - UK based manufacturer of digital mode PC fully isolated interfaces. Includes several types of interfaces including USB interfaces for CW and Digital modes
    [ Hits: 226 | Votes: 1 | Rating: 7 ]
Operating Modes : DMR Operating Modes : Digital Modes
  • 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 ]
  • Soundcard Levels for Digital Modes - This article aims to help promote the proper configuration for having a clean signal on the waterfall to avoid interference to other users and also to vastly increase the effectiveness of your signal.
    [ Hits: 279 | Votes: 0 | Rating: 0 ]
  • About Digital Modes - This article is designed as an introduction to some of the more popular digital modes. From HSCW to FT8 and interesting article with detailed information on popular and historical amateur radio digital modes.
    [ Hits: 179 | Votes: 0 | Rating: 0 ]
Operating Modes : Satellites : Weather Satellite
  • Decoding Russian Meteor-M2 satellite images in real time - The Meteor-M N2 is a polar orbiting Russian weather satellite that was launched on July 8, 2014. Its main missions are weather forecasting, climate change monitoring, sea water monitoring/forecasting and space weather analysis/prediction. Meteor-M N2 transmits images using the digital LRPT protocol at around 137.1 MHz with can be received with an RTL-SDR.
    [ Hits: 199 | Votes: 0 | Rating: 0 ]
Operating Modes : System Fusion
  • What is System Fusion - System Fusion is Yaesu’s implementation of Digital Amateur Radio, utilizing C4FM 4-level FSK Technology to transmit digital voice and data over the Amateur radio bands
    [ Hits: 111 | 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 ]
Operating Modes : Weak Signal
  • GPS time sync for modern digital modes - As FT8, JT65 and JT9 are a time synchronized protocol, one soon discovers that an accurate PC clock is very important. If your workstation time is off it can cause you to send when no one is listening, or to listen when no one is sending.
    [ Hits: 445 | Votes: 0 | Rating: 0 ]
Radio Equipment : Amateur Radio Accessories
  • DVMEGA - The Swiss army knife for Digital Voice, the DVMEGA radio is basically a complete D-Star and DMR compatible hotspot
    [ Hits: 176 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Icom IC-705
  • IC-705 completely cordless digital ham radio - The IC-705 has a built-in server to to send and receive audio and radio control via WLAN. This allows the IC-705 to be connected directly to the user’s computer without the need for an additional server computer. Perfect to run e.g. digital operation modes completely cordless.
    [ Hits: 143 | Votes: 0 | Rating: 0 ]
  • ICOM IC-705 and Raspberry Pi - A portable setup of the ICOM IC-705 with portable VHF UHF and and HF Alex Loop antenna, managed with a portable Raspberry PI 3 setup.
    [ Hits: 254 | Votes: 2 | Rating: 10 ]
Radio Equipment : HF Transceivers : Kenwood TS-590S
  • Kenwood TS-590S for Digital Data or Digital Voice - This HOWTO explains in detail how you can use the Kenwood TS-590S USB, COM and ACC2 ports for digital operation, set up the radio for digital data and digital voice operation
    [ Hits: 166 | Votes: 1 | Rating: 10 ]
Software : Circuit Design
  • LogiSim - Logic Circuit Simulator - Logisim is an educational tool for designing and simulating digital logic circuits. With its simple toolbar interface and simulation of circuits as you build them, it is simple enough to facilitate learning the most basic concepts related to logic circuits.
    [ Hits: 125 | Votes: 0 | Rating: 0 ]
Software : Software Defined Radio
  • sodiraSDR - Software Radio - Software Defined Radio (SDR) for analog and digital modulation modes, can demodulate AM envelope, AM synchronous, AM stereo, LSB, USB, FM, FM Broadcast, DRM30, DRM+
    [ Hits: 357 | Votes: 4 | Rating: 8.75 ]
Software : Time
  • BktTimeSync - BktTimeSync synchronizes the PC time using an internet time server (NTP server) or a GPS receiver connected to USB, serial port or Bluetooth. Great for use with digital modes like FT8, JT65, JT9, JS8Call and others. For the operation of this program requires an active internet connection or a GPS receiver. This program works on all versions of Windows 32 or 64 bit
    [ Hits: 1667 | Votes: 3 | Rating: 6.67 ]
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 ]
  • 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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