Globe Wireless PSK

General Information

Globe Wireless PSK is one of several radio modems used by the Globe Wireless Company in the HF-frequency band.

Usage:

§ Data communication over HF.

Mode Details

 

Item

Value

Standard

Modulation

DQPSK

 

Bandwidth (Hz)

400

 

Symbol rate (Bd)

200

Demodulator Settings

Demodulator

DPSK 2,4,8,16 A/B

 

Symbol rate (Bd)

200

 

SR tolerance (Bd)

5

 

Modulation order

4

 

Version

A

 

Min. burst length (s)

0.400

 

Max. burst length (s)

1.000

 

Min. pause length (s)

0.100

 

Min. burst SNR (dB)

0

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 120: Globe Wireless PSK

Figure 42: Globe Wireless PSK Spectrogram