General Information
Codan SelCal FSK is a radio standard developed by CODAN PTY Australia.
Usage:
§ SelCal and status message transfer over HF.
Mode Details
|
|
Item |
Value |
|
Standard |
Modulation |
FSK |
|
|
Number of tones |
2 |
|
|
Shift (Hz) |
200 |
|
|
Bandwidth (Hz) |
400 |
|
|
Symbol rate (Bd) |
100 |
|
|
Coding |
Parity checksum |
|
Demodulator Settings |
Demodulator |
FSK 2,3,4 discr. |
|
|
Symbol rate (Bd) |
100 |
|
|
SR tolerance (Bd) |
5 |
|
|
Modulation order |
2 |
|
|
Shift (Hz) |
200 |
|
|
Shift tolerance (Hz) |
10 |
|
|
Modem type |
Synchronous |
|
Features |
Demodulation |
yes |
|
|
Recognition |
yes |
|
|
Decoding |
yes |
|
|
Automatic Polarity Adjustment |
no |
|
|
Combination with other modems (modem list) |
yes |
|
Tuning |
The tuning frequency is the center of the signal | |
Table 90: Codan Selcal ALE
Figure 32: Codan Selcal Spectrogram