Contents

• User manual
  • Introduction
    • HERMES HF Transceiver
    • HF Antenna Recommendation
    • Power Requirements
  • Web Interface
    • Administrative Interface
    • Transmission List
    • Public Messages (BBS)
    • Languages supported
  • E-mail
    • DeltaChat
    • Other email clients
  • Troubleshooting
  • Appendix - technical information
    • Network Information
    • Network Services
    • Other network Services
  • Additional information
    • Password Cheat Sheet
    • Field trials
    • Source Code
  • Licensing
    • GNU General Public License Version 3
  
  
• sBitx installation guide
  • Introduction
  • Power supply and consumption
  • Initial setup to allow boot from USB pendrive
  • HERMES USB installer preparation
  • HERMES installation
  • WiFi Setup
  • Radio Frequency (RF) connections assembly
  • RF test
  • E-mail setup and test
  • Further troubleshooting (maintainers)
  
  
• Software description (architecture and stack)
  • Introduction
  • HERMES Description
  • HERMES System Architecture
    • Topology and station roles
    • Reference architecture (v2 / sBitx + VARA-compatible TNC + UUCP)
    • Station component diagram
    • Service orchestration (systemd)
    • Interfaces: ports, paths and IPC
    • Dynamic behavior (message and call flows)
    • Variants
    • Architecture reference sources
  • HERMES Software Stack
    • ALSA (Audio configuration)
    • Radio control: trx_v2-userland (sbitx_controller)
    • Modem configuration
    • UUCP (Network configuration)
    • UUCPD: uucpd + uuport (UUCP to modem bridge)
    • User Web Interface
  
  
• Hardware description
  • HERMES Hardware
    • HF Radio Transceiver
    • Antenna
    • Mini-computer
    • Power source
    • Essential tools
  
  
• sBitx notes
  • Introduction
  • sBitx Hardware
    • Power consumption
  • Hardware interfaces to the computer (RPi 4)
    • Control I/O
    • Signal I/O
  • Linux setup for sBitx operation
    • Pin attribution setup for the RPi 4
    • Audio - ALSA subsystem
    • Ashhar's sbitx reference implementation
    • bridge setup
    • I2C bit-banging
    • RTC setup