DUP-ARQ-2

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 DUP-ARQ - DUP-ARQAutomatic Repeat reQuestAutomatic Repeat Query-2 - DUP-FEC-2 

DUP-ARQ-2
DUP ARQ-2.jpg
Frequencies 3 MHz,30 MHz
Frequency Range 3 MHz - 30 MHz
Mode USB
Modulation FSK
ACF
Emission Designator
Bandwidth 1.3 kHz
Location Worldwide
Short Description DUP-ARQ-2 (also known as ARTRAC II) is a further development of the DUP-ARQ system and the system characteristics are very similar. DUP-ARQ-2 allows transmission of ITA-2 (Baudot) or ITA-5 (ASCII) characters depending on the application.
I/Q Raw Recording
Audio Sample

DUP-ARQAutomatic Repeat reQuestAutomatic Repeat Query-2 (also known as ARTRAC II) is a further development of the DUP-ARQ system and the system characteristics are very similar. DUP-ARQAutomatic Repeat reQuestAutomatic Repeat Query-2 allows transmission of ITA-2 (Baudot) or ITA-5 (ASCII) characters depending on the application. DUP-ARQAutomatic Repeat reQuestAutomatic Repeat Query-2 is twice as fast as DUP-ARQAutomatic Repeat reQuestAutomatic Repeat Query, running at 250 BdBaud (unit symbol Bd) is the unit for symbol rate or modulation rate in symbols per second.. Norway was a major user of DUP-ARQAutomatic Repeat reQuestAutomatic Repeat Query-2


Decoding Software[edit]

Professional Equipment/Software
  • Wavecom W-Code
  • Wavecom W-Spectra

Additional Links[edit]


Additional Images[edit]