ARQ-E(E3)

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ARQAutomatic Repeat reQuestAutomatic Repeat Query-E(E3)
ARQE3192Bd.png
Frequencies 3 MHzMegaHertz (MHz) 10^6 Hz3,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
3,000 kHzKiloHertz (kHz) 10^3 Hz
,30 MHzMegaHertz (MHz) 10^6 Hz30,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
30,000 kHzKiloHertz (kHz) 10^3 Hz
3,000 kHzKiloHertz (kHz) 10^3 Hz
MHzMegaHertz (MHz) 10^6 Hz
30,000 kHzKiloHertz (kHz) 10^3 Hz
30 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range MHzMegaHertz (MHz) 10^6 Hz3,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
3,000 kHzKiloHertz (kHz) 10^3 Hz
- 30 MHzMegaHertz (MHz) 10^6 Hz30,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
30,000 kHzKiloHertz (kHz) 10^3 Hz
Mode USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables)
Modulation FSKFrequency-Shift Keying
ACF
Bandwidth 85 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.085 kHzKiloHertz (kHz) 10^3 Hz
8.5e-5 MHzMegaHertz (MHz) 10^6 Hz
,160 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.16 kHzKiloHertz (kHz) 10^3 Hz
1.6e-4 MHzMegaHertz (MHz) 10^6 Hz
,170 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.17 kHzKiloHertz (kHz) 10^3 Hz
1.7e-4 MHzMegaHertz (MHz) 10^6 Hz
,190 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.19 kHzKiloHertz (kHz) 10^3 Hz
1.9e-4 MHzMegaHertz (MHz) 10^6 Hz
,340 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.34 kHzKiloHertz (kHz) 10^3 Hz
3.4e-4 MHzMegaHertz (MHz) 10^6 Hz
,388 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.388 kHzKiloHertz (kHz) 10^3 Hz
3.88e-4 MHzMegaHertz (MHz) 10^6 Hz
,400 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.4 kHzKiloHertz (kHz) 10^3 Hz
4.0e-4 MHzMegaHertz (MHz) 10^6 Hz
,850 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).0.85 kHzKiloHertz (kHz) 10^3 Hz
8.5e-4 MHzMegaHertz (MHz) 10^6 Hz
0.085 kHzKiloHertz (kHz) 10^3 Hz
8.5e-5 MHzMegaHertz (MHz) 10^6 Hz
0.85 kHzKiloHertz (kHz) 10^3 Hz
8.5e-4 MHzMegaHertz (MHz) 10^6 Hz
Location Worldwide
Short Description ARQAutomatic Repeat reQuestAutomatic Repeat Query-E, also known as ARQAutomatic Repeat reQuestAutomatic Repeat Query-1000 Duplex or ARQAutomatic Repeat reQuestAutomatic Repeat Query-1000D, is a synchronous full-duplex ARQAutomatic Repeat reQuestAutomatic Repeat Query system. ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 is a variant that uses a different alphabet encoding. Mainly used by French Military Forces. Stations commonly idled for hours on end.
I/Q Raw Recording
Audio Sample
ARQAutomatic Repeat reQuestAutomatic Repeat Query-E, also known as ARQAutomatic Repeat reQuestAutomatic Repeat Query-1000 duplex or ARQAutomatic Repeat reQuestAutomatic Repeat Query-1000D, is a synchronous full-duplex ARQAutomatic Repeat reQuestAutomatic Repeat Query system. ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 is a variant that uses a different alphabet encoding. Once used by Italian and French Military Forces. Stations commonly idled for hours on end.

ARQAutomatic Repeat reQuestAutomatic Repeat Query-E was developed by Siemens in Germany. ARQAutomatic Repeat reQuestAutomatic Repeat Query-E uses 7-bit ITA 2-P alphabet. ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 is a variant that uses the 7-bit error correcting ITA 3 alphabet. When decoding ARQAutomatic Repeat reQuestAutomatic Repeat Query-E, if many 'F' characters are being decoded, it's very likely it's a ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 protocol. The same is true vice-versa, decoding with ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 on an ARQAutomatic Repeat reQuestAutomatic Repeat Query-E signal.

ARQAutomatic Repeat reQuestAutomatic Repeat Query-E(E3) can operate on a wide range of bauds, from 30 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. to 650 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second.. They're most commonly found with bauds between 96 and 233. The bandwidth is also pretty varied, with the smallest at 85 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz)., and the largest at 850 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz)..


Operators[edit]

List of operators who have been reported to use ARQAutomatic Repeat reQuestAutomatic Repeat Query-E with the baudBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. rate and shift they used:

  • 46.15 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 170 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). UNID African user (Arabic alphabet)
  • 72 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 85 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). German Police, German Border Guards
  • 72 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 400 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). French MIL
  • 85.71 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 160 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). German Air Force
  • 96 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 85 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). German Police
  • 96 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 170 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). German Police, German DIPLO, German Intelligence, Italian DIPLO
  • 96 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 340 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Israeli Intelligence
  • 96 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 850 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Italian Intelligence
  • 184.6 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. /400 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). French MIL
  • 192 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. /160 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). French MIL
  • 192 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. /170 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). German DIPLO, possibly South African Intelligence
  • 192 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. /190 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). German Intelligence
  • 288 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 190 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). German Intelligence
  • 288 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 340 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). Israeli Intelligence
  • 288 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. / 400 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). possibly Taiwanese Intelligence

Samples[edit]

ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 Idle ARQAutomatic Repeat reQuestAutomatic Repeat Query-E Idle
ARQE3 Idle.png
ARQ-E.png

ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 192 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second. ARQAutomatic Repeat reQuestAutomatic Repeat Query-E3 100 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second.
ARQE3192Bd.png
ARQ-E3 100Bd.jpg

Decoding Software[edit]

Hobby Level Software
Professional Equipment/Software

Video Examples[edit]


Additional Links[edit]

Additional Images[edit]