RadioReference Wiki:Ka3jjz

• ARQ-E: Obsolete

• ARQ-E3: Obsolete

• ARQ-FAE / ALE400
  • ALE400 on HFLink.com

• Baudot RTTY (ITA2)
  • ARRL Digital Transmissions
  • Deutscher Wetterdienst (German weather service) Use Google translate

• Contestia

• Coquelet: Obsolete

• DGPS
  • Note: No longer active in the US

• DominoF
• DominoEX

• FAX (aka RadioFax, WeatherFax, WeFax)
  • NOAA RadioFax schedules (PDF)
  • Fukushima Fisheries Radiofax Schedule

• GMDSS / DSC

• Hellschreiber
  • Hell Frequencies

• HFDL
  • Worldwide HFDL HF Aeronatuical Stations

• HF Packet
  • Packet Radio on HF

• JT65 (A, B, C)
  • HFLink JT65A page

• Lentus

• MFSK 8/16/32/64
  • ARRL Digital Transmissions
  • Shortwave Radiogram
    • Note: Other modes are often included in these broadcasts. See the website for information

• MIL-STD-188-110A
  • Rarely reported
  • Note that this mode has been used during Armed Forces Day in the US over the last couple of years

• MIL-STD-188-141A/B (aka ALE or ALE2G)
  • This mode is used both by hams and numerous military and non governmental organizations around the world. There are hundreds - sometimes more than a thousand - reports in the UDXF every month
  • HFLink
  • ALE Networks

• MT63

• Olivia
  • HFLink Olivia page

• PAX / PAX2

• PACTOR-1
  • Rarely reported
  • This mode is also used in the maritime industry

• PSK 31 (various speeds, BPSK or QPSK)
  • ARRL Digital Transmissions

• RTTYM

• SITOR-A (aka AMTOR Mode A or AMTOR-ARQ)
  • There are only a small handful of HF maritime stations that use this mode. Most have gone over to PACTOR, using heavy compression and encryption techniques.
  • This mode is also used by the Ministry of Foreign Affairs (MFA) Egypt using the ATU80 alphabet which makes reading this traffic difficult. See this PDF from the UDXF website for a further discussion on this topic

• SITOR-B (includes NAVTEX; aka AMTOR Mode B)
  • Note that MFA Egypt has also been known to use this mode
  • HF Worldwide RadioTelex Broadcasts
  • NAVTEX Broadcasts
  • Marine Weather Broadcasts from the US Coast Guard

• SSTV
  • Amateur Radio Wiki - SSTV Frequencies Everything You Need to Know
  • HF pirates often use this mode as well as hams

• STANAG 4285 (listed just as '4285')
  • This mode is usually heavily encrypted which no program can decode; however it can be read when the station sends a test tape in the clear.
  • A listing of STANAG stations from 2020 can be found in the 'Files' section, 'Ute Info' folder of the UDXF reflector. Both text and spreadsheet formats are available
  • Some Notes on STANAG4285 - A DXers View (PDF)

• Thor

• Throb / ThrobX

• Voice