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Difference between revisions of "HF Modes Currently Inactive"

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Some of the waterfalls come from the DX Asia site (see the [[HF Appendix]]) and are used here for research and historical purposes.
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This list can be used to eliminate possible modes used by a mystery signal, enabling one to move onto more productive possibilities.  
  
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This list can be used to eliminate possible modes used by a mystery signal, enabling one to move onto more productive possibilities.
 
  
 
{| border="1" colspan="25"
 
{| border="1" colspan="25"
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|ARQ-28
 
|ARQ-28
 
|Also see [http://www.sigidwiki.com/wiki/ARQ-M2-342 ARQ-M2-342]
 
|Also see [http://www.sigidwiki.com/wiki/ARQ-M2-342 ARQ-M2-342]
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|[http://sferix.myweb.hinet.net/hfasia/files/ARQ-M2.html HF Asia Waterfall]
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|-
 
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|Rare use by Braz Navy
 
|Rare use by Braz Navy
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|[http://www.sigidwiki.com/wiki/Codan_Data_Modem Codan 9001/3021 16 Tone Modems]
 
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|CODAN 16 TONE MODEM
 
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|[[CODAN 16 Tone Waterfall]]
 
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|-
 
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|Australian Selcall
 
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|COQ-8
 
|COQ-8
 
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|[http://sferix.myweb.hinet.net/hfasia/files/Coqellet-8.html HF Asia Waterfall]
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|[http://www.sigidwiki.com/wiki/Differential_Global_Positioning_System_(DGPS) M823/SC104 DGPS]
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|DGPS
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|US has discontinued use
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|[[DGPS Waterfalls]]
 
|-
 
|-
 
|[http://www.sigidwiki.com/wiki/DUP-ARQ DUP-ARQ]
 
|[http://www.sigidwiki.com/wiki/DUP-ARQ DUP-ARQ]
 
|125-ARTRAC
 
|125-ARTRAC
 
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|[http://sferix.myweb.hinet.net/hfasia/files/DUP-ARQ.html HF Asia Waterfall]
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|-
 
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|FEC-100
 
|FEC-100
 
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|[http://sferix.myweb.hinet.net/hfasia/files/FEC-A.html HF Asia Waterfall]
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|-
 
|-
 
|[http://i56578-swl.blogspot.com/search/label/French%2050%2F850 French Navy 50bd/850 Secure FSK]
 
|[http://i56578-swl.blogspot.com/search/label/French%2050%2F850 French Navy 50bd/850 Secure FSK]
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|via I5-56578 Digital Blog
 
|via I5-56578 Digital Blog
 
|[[Iranian QPSK Waterfall]]
 
|[[Iranian QPSK Waterfall]]
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|-
 
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|[http://www.sigidwiki.com/wiki/Israeli_Navy_Hybrid_Modem_(188-110_MOD) Israeli Navy Hybrid FSK & 2400bd PSK Modem]
 
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|[[Israeli Navy Waterfall]]
 
 
|-
 
|-
 
|Italian Coast Guard 100bd FSK Selcall
 
|Italian Coast Guard 100bd FSK Selcall
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|[[PACTOR1 FEC Waterfall]]
 
|[[PACTOR1 FEC Waterfall]]
 
|-
 
|-
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|[http://i56578-swl.blogspot.com/search/label/PACTOR-II%20FEC PACTOR-II FEC]
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|[http://www.sigidwiki.com/wiki/Piccolo PICCOLO]
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|via I5-56578 Antonio Digital blog
 
 
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|-
 
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|[http://www.sigidwiki.com/wiki/Piccolo PICCOLO]
 
 
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|[http://sferix.myweb.hinet.net/hfasia/files/Piccolo-6.html HF Asia Waterfall]
 
 
|-
 
|-
 
|[http://www.sigidwiki.com/wiki/POL-ARQ POL-ARQ]
 
|[http://www.sigidwiki.com/wiki/POL-ARQ POL-ARQ]
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|[[PantherH Waterfall]]
 
|[[PantherH Waterfall]]
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|-
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|[http://www.sigidwiki.com/wiki/Redundant_Digital_File_Transfer_(RDFT) RDFT]
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|Mode used by HM-01;last noted in 2022
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|[[HM01 RDFT Waterfall]]
 
|-
 
|-
 
|[http://i56578-swl.blogspot.com/search/label/RFSM RFSM8000]
 
|[http://i56578-swl.blogspot.com/search/label/RFSM RFSM8000]
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|via I5-56578 Antonio Digital blog  
 
|via I5-56578 Antonio Digital blog  
 
||  
 
||  
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|-
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|[[RS-ARQ]]
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|ALIS
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|last seen Mar 2018
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|-
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|MERLIN
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|-
 
|-
 
|[http://www.sigidwiki.com/wiki/RUM-FEC ROU-FEC]
 
|[http://www.sigidwiki.com/wiki/RUM-FEC ROU-FEC]
 
|RUM-FEC
 
|RUM-FEC
 
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|[http://sferix.myweb.hinet.net/hfasia/files/RUM-FEC.html HF Asia Waterfall]
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|-
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|[http://www.sigidwiki.com/wiki/Siemens_CHX-200_FSK_Modem Siemens CHP200]
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|CHX200
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|I5-56578 Antonio Digital blog-last seen Oct 2018
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|[[CHP200 Waterfall]]
 
|-
 
|-
 
|[http://www.sigidwiki.com/wiki/SI-ARQ SI-ARQ]
 
|[http://www.sigidwiki.com/wiki/SI-ARQ SI-ARQ]
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|-
 
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|[http://www.sigidwiki.com/wiki/Siemens_CHX-200_FSK_Modem Siemens CHP200]
 
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|CHX200
 
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|[[CHP200 Waterfall]]
 
 
|-
 
|-
 
|[http://www.sigidwiki.com/wiki/SI-FEC SI-FEC]
 
|[http://www.sigidwiki.com/wiki/SI-FEC SI-FEC]
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|-
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|[http://i56578-swl.blogspot.com/search/label/TmS-430 Swiss Forces TmS-430 VFT]
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|via I5-56578 Antonio Digital blog-last seen Jul 2018
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|[[TMS430 Waterfall]]
 
|-
 
|-
 
|[[TT2300B]]
 
|[[TT2300B]]
 
|TPLEX
 
|TPLEX
 
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|[http://sferix.myweb.hinet.net/hfasia/files/TT2300.html HF Asia Waterfall]
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|-
 
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|TT2300-ARQ
 
|TT2300-ARQ
 
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|-
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|[http://i56578-swl.blogspot.com/2016/10/tadiran-autocall-mfsk-4.html Tadiran Autocall]
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|via I5-56578 Antonio Digital blog-last seen Sept 2018
 
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|-
 
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|TWINPLEX-SITOR
 
|TWINPLEX-SITOR
 
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||
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|[http://sferix.myweb.hinet.net/hfasia/files/Twinplex-sitor.html HF Asia Waterfall]
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|-
 
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Image:French Navy 50baud ACF.JPG|French Navy 50 Baud
 
Image:French Navy 50baud ACF.JPG|French Navy 50 Baud
 
Image:PACTOR 1 FEC 100Baud ACF.JPG|Pactor 1 FEC   
 
Image:PACTOR 1 FEC 100Baud ACF.JPG|Pactor 1 FEC   
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Image:CHX200 ALE ACF.JPG|CHX200
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Image:CHX200 ALE ACF.JPG|CHX200  
 +
Image:CHX200 ALE ACF.JPG|Siemens CHP200
 
</gallery>
 
</gallery>
  

Latest revision as of 18:42, 3 February 2024

Many of these modes haven't been used in years. Unfortunately when you buy a decoder like Hoka or Wavecom, you are paying not only for the modes that are active, but for the mostly out-of-date mode decoding as well. Rarely, some of these modes will come to life from time to time, probably to test a circuit, or to supplant a faulty satellite link.


This list can be used to eliminate possible modes used by a mystery signal, enabling one to move onto more productive possibilities.


Mode Name Synonym Notes Waterfall Page
ARQ-E ARQ-1000D
ARQ-E3 ARQ E3 Waterfall
ARQ-M2 ARQ-28 Also see ARQ-M2-342
TDM
TDM-2
TDM-242
TDM-342
ARQ-M4 ARQ-56 Also see ARQ-M4-342
TDM-4
TDM-242
TDM-342
ARQ-N
ARQ6-70
ARQ6-90
ARQ6-98
ARS-GUARD SAUD-NAT
AUTOSPEC AUTOSPEC MK 1
AUTOSPECBAUER
BAUER
Australian Forces Continuous MIL-STD-188-110A Serial Tone Aus MILSTD188110A Serial Waterfall
Chinese Forces MIL-STD-188-110B 39 Tone Modem Variant Chinese 39 Tone Waterfall
CLOVER Q-CLOVER
QUAD-CLOVER
CLOVER-2000 X-CLOVER
8 TONE CLOVER
CLOVER-2500 Clover 2500 Waterfall
G-TOR Rare use by Braz Navy
COQUELET COQ-8
COQ-12
COQUELET 8 V 2
M823/SC104 DGPS DGPS US has discontinued use DGPS Waterfalls
DUP-ARQ 125-ARTRAC
ARTRAC
DUP-ARQ-2 ARTRAC-II
DUP-FEC-2
FEC-A FEC-100
French Navy 50bd/850 Secure FSK Moved to STANAG modes French Navy 50Bd Waterfall
Globe Wireless HF Modes Org used several proprietary modes
HC-ARQ
HFD+VL OFDM MODEM HFD+VL Waterfall
HNG-FEC
ICAO ANNEX 10 SELCALL ICAO SELCALL
IRA-ARQ BULG-ASCII
Iranian Navy QPSK via I5-56578 Digital Blog Iranian QPSK Waterfall
Italian Coast Guard 100bd FSK Selcall Italian CG Waterfall
Japanese Navy 18 Tone Modem Jap Navy 18Tone Waterfall
Japanese Navy PSK Modem Jap Navy PSK Waterfall
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
PACTOR-I FEC via I5-56578 Antonio Digital blog PACTOR1 FEC Waterfall
PICCOLO
POL-ARQ
RAC-ARQ MEROD Not really a synonym - see article
RACAL-ARQ
Racal MSM1250 SkyFax MSM1250 Waterfall
Racal PANTHER-H FHSS ALE PantherH Waterfall
RDFT Mode used by HM-01;last noted in 2022 HM01 RDFT Waterfall
RFSM8000 via I5-56578 Antonio Digital blog
RS-ARQ ALIS last seen Mar 2018
MERLIN
ROU-FEC RUM-FEC
Siemens CHP200 CHX200 I5-56578 Antonio Digital blog-last seen Oct 2018 CHP200 Waterfall
SI-ARQ ARQ-S
ARQ-1000S
SI-FEC FEC-S
FEC 1000 SIMPLEX
FEC-1000S
SkyOFDM via I5-56578 Antonio Digital blog
SPREAD AUTOSPEC MK II
SPREAD-11
SPREAD-21
SPREAD-51
SWED-ARQ ARQ-SWE
Swiss Forces TmS-430 VFT via I5-56578 Antonio Digital blog-last seen Jul 2018 TMS430 Waterfall
TT2300B TPLEX
TRA-2300
TT2300-ARQ
Tadiran Autocall via I5-56578 Antonio Digital blog-last seen Sept 2018
Tadiran HF2000 125bd FSK Modem Tadiran HF2000 Data Waterfall
Thales TRC1752 via I5-56578 Antonio Digital blog
TWINPLEX TWINPLEX-SITOR
F7B4
F7BNN


Bit and ACF Analysis


  • French Navy 50 Baud

  • Pactor 1 FEC

  • CHX200

  • Siemens CHP200

Notes

  • ACFs, Audio used for plotting and some waterfalls courtesy of Mike Chace-Ortiz, used with permission.



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