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HF Modes Currently Active

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Revision as of 18:50, 1 May 2017 by Ka3jjz (talk | contribs)

These modes have been reported in various places over the couple of years. Keep in mind that although a particular mode can be decoded, there are several that are encrypted, and therefore unreadable. One can use analysis tools such as ACF analysis to determine this, but we may never know what such signals are actually saying.

We have pages set up with just waterfalls (useful for quick searches) here;

It should be noted that MARS, SHARES and numbers stations have sometimes used digital modes used in the Amateur Radio Service such as Olivia, MFSK16 or MT63. These modes are shown in bold, and will redirect to the Digital Amateur Radio article on this wiki to link to articles that describe the protocols in more detail.

'Last Seen' references are the last time this mode was seen in the UDXF logs.


Mode or Description Synonym Notes Waterfall Page
ARINC 635 HFDL HFDL Waterfall
HF ACARS
HF DATALINK
ARQ-E ARQ-1000D occasional use
ARQ-E3 occasional use ARQ E3 Waterfall
Australian Forces 50bd & 600bd FSK ISB System
AX.25 300bd FSK Packet Radio AX.25 Protocol Name based off X.25 Standards
PACKET
BAUDOT ITA-2 misnomer; ITA2 is coding scheme. Rarely used. Baudot Waterfalls
RTTY
Chinese 4 plus 4 Modem
CCIR493-4 Selcall CODAN 8580 Misnomer; Radio Modem Name CCIR493 Waterfall
Australian Selcall
CLOVER Q-CLOVER Rare
QUAD-CLOVER
CLOVER-2000 X-CLOVER
8 TONE CLOVER
CLOVER-2500 Rare Clover 2500 Waterfall
CODAN CHIRP CODAN Chirp Waterfall
Codan 9001/3021 16 Tone Modems CODAN 16 TONE MODEM CODAN 16 Tone Waterfall
CW Morse CW Waterfall
Digital Radio Mondiale DRM Used by USCG and German Navy
FAX FAX Waterfall
FSK100 POL-FSK FSK100 Waterfalls
GMDSS/DSC Maritime Selcall GMDSS DSC Waterfall
G-TOR Rare-MARS /SHARES use
HFD+VL OFDM MODEM HFD+VL Waterfall
ICAO ANNEX 10 SELCALL ICAO SELCALL
Iranian Navy QPSK via I5-56578 Digital Blog Iranian QPSK Waterfall
Israeli Navy Hybrid FSK & 2400bd PSK Modem Israeli Navy Waterfall
Japanese Navy 100bd 8FSK Modem Rare Jap 8Tone Waterfall
KEGURI DPRK 600 DPRK 600 Waterfall
DPRK 1200 Rare DPRK 1200 Waterfall
MFSK16 Rare-MARS /SHARES use
MIL-STD-188-110B Parallel 16 Tone Modem 16 TONE MODEM 16 Tone Waterfall
MIL-STD-188-110B Parallel 39 Tone Modem 39 TONE MODEM 39 Tone Waterfall
MIL-STD-188-110B Serial Tone Modem MIL-STD-188-110A MIL 188110B Waterfall
MIL-STD-188-110A/B
MIL-STD-188-110C WideBand Modem 110C WB MIL 188110C Waterfall
STANAG 4539
MIL-STD-188-141A 2G ALE ALE ALE 2G Waterfall
MIL-STD-188-141B App. C ALE 3G ALE
MIL-STD-188-203A Parallel Tone Modem ALLIGATOR Link11 Waterfalls
TADIL-A
MIL-STD-188-203A Serial Tone Modem Link11 Waterfalls
MT-63 Rare-MARS /SHARES use
M823/SC104 DGPS DGPS DGPS Waterfalls
NAVTEX A broadcast mode built on SITOR-B NAVTEX Waterfall
OLIVIA Rare-MARS /SHARES use
PACTOR-I
PACTOR-I FEC via I5-56578 Antonio Digital blog PACTOR1 FEC Waterfall
PACTOR-II
PACTOR-II FEC via I5-56578 Antonio Digital blog
PACTOR-III
PACTOR-IV
PSK31
QPSK1500 Mode used by Japanese Slot Machine QPSK1500 Waterfall
Racal PANTHER-H FHSS ALE PantherH Waterfall
Racal MSM1250 SkyFax MSM1250 Waterfall
RDFT Mode used by HM-01 HM01 RDFT Waterfall
RFSM8000 via I5-56578 Antonio Digital blog
RS-ARQ ALIS Not really a synonym - see article
MERLIN
Saab Grintek MHF50 MFSK Modem MHF50 Waterfall
Siemens CHP200 CHX200 CHP200 Waterfall
SITOR-A AMTOR MODE A SITOR-A Waterfalls
ARQ
SITOR-ARQ
TOR
SITOR-B AMTOR MODE B SITOR-B Waterfall
FEC
SITOR-FEC
SkyOFDM via I5-56578 Antonio Digital blog-last seen Feb 2016
STANAG4197 ANDVT ANDVT Waterfall
STANAG4285 2400bd Modem STANAG 4285 Waterfall
STANAG4481 FSK CRATT STANAG 4481 Waterfalls
LINK-4
NATO-75
RATT
Swiss Forces TmS-430 VFT via I5-56578 Antonio Digital blog-last seen Jan 2016 TMS430 Waterfall
Tadiran Autocall via I5-56578 Antonio Digital blog Waterfall de DX Asia
Tadiran HF2000 125bd FSK Modem via I5-56578 Antonio Digital blog Tadiran HF2000 Data Waterfall
Thales Systeme 3000 Skymaster Systeme 3000 Waterfall
Thales TRC1752 Rare - via I5-56578 Antonio Digital blog
Voice Frequency Telegraphy (VFT)
WinMOR Rare-MARS /SHARES use