LINK 11 SLEW

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