General Information
STANAG5511 SLEW mode is a NATO Standard for tactical data exchange. The Single Tone Link Eleven Waveform (SLEW) is one of the modes defined within the Link 11 NATO standard.
Usage:
§ Transfer of tactical data over HF and VHF.
Mode Details
|
|
Item |
Value |
|
Standard |
Modulation |
PSK |
|
|
Tones |
8 |
|
|
Bandwidth (Hz) |
3000 |
|
|
Symbol rate (Bd) |
2400 |
|
|
Coding |
Convolutional |
|
Demodulator Settings |
Demodulator |
PSK data aided |
|
|
Symbol rate (Bd) |
2400 |
|
|
SR tolerance (Bd) |
5 |
|
|
Modulation order |
8 |
|
|
Min. burst length (s) |
0.100 |
|
|
Max. burst length (s) |
2.000 |
|
|
Min. pause length (s) |
0.004 |
|
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’s frequency range | |
Table 10: LINK 11 SLEW

Figure 12: LINK 11 SLEW Spectrogram
Modem Version History
|
Release |
Date |
History |
|
2.0.0 |
2013-01-10 |
Modem added |