amateur radio (idea)

Please /msg me for any comments or additions to this list.

• Electromagnetic spectrum
  • ELF
  • VLF
  • LF
  • MF
  • HF
  • VHF
  • UHF
  • SHF
  • EHF
• Equipment
  • Transceivers
    • Superheterodyne reception
  • Antennas
    • Dipole
    • Deltaloop
    • Quad-loop
    • Beam
      • Yagi-Uda antenna
  • Keys and keyers
    • Straight key or hand key
    • Paddle, iambic keyer
    • Vibroplex bug
• Modes
  • CW (telegraphy, morse code)
  • FM, SSB (telephony)
  • Digital modes
    • RTTY
    • Hellschreiber
    • PSK
      • BPSK
      • QPSK
  • Televison
    • SSTV (Slow Scan Television)
    • FSTV (Fast Scan Television)
• QSO procedures
  • CW abbreviations
    • CQ
    • 73
    • 88
    • 55
    • 33
    • 99
    • HI or HIHI - telegraphic laughter
    • BTU
  • RST
  • Q codes
• Radio amateur jargon and folklore
  • Silent key
  • LID
  • Wouff Hong
  • Fist
• Organizations
  • ITU
  • IARU
  • ARRL