CODAN-9001

CODAN-9001 is an asynchronous adaptive ARQ system. Data is modulated onto 16 tones, spaced at 112.5Hz intervals. The modulation rate of each tone is 75 Baud; the modulation type is differential quaternary phase-shift keying (differential PSK4A).

Parameter

Value

Frequency range

HF

Operation modes

Half-duplex asynchronous adaptive ARQ

Modulation

Differential PSK4A; 16 tones

Symbol rate

16 x 75 Bd

AFC

In the range ±3100. automatic frequency control (AFC): +/-35 Hz

Bandwidth

1800 Hz

Receiver settings

DATA, CW, USB or LSB

Input format(s)

AF, IF

Supported functions

Output of demodulated multichannel symbols

Derandomization of secure-mode

Derandomization of unsecure-mode

Arbitrary start values for derandomization of secure-modes

Output of recognized start value in secure-mode

Output of status information

Output of recognized frame type

Decoding of chat-messages into text

Decoding of text-file transmissions into readable output

Decoding of data- transmissions into hexadecimal output

Decompress data

Store Channel Data for analysis purposes

Automatic recognition of secure and unsecure modes

7-bit-ASCII Alphabet used by CODAN-9102-Software

Secure Interactive Packets

Please enquire

Chirp decoding