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Table 1 Example emitters of opportunity for PCL systems

From: Signal characterisation and processing in the forward scatter mode of bistatic passive coherent location systems

Emitter

Frequency, (GHz)

Wavelength, (m)

Functionality as PCL

FM Radio [4, 5]

0.1

3

Medium to long range air target detection and tracking.

Digital Audio Broadcasting (DAB) [3]

0.2

1.5

Digital Video Broadcasting – Terrestrial (DVB-T) [3, 6]

0.4

0.75

0.6

0.50

LEO satellite communication [7]

1.5

0.2

Mobile Cellular Radio (MCR) [8]

0.9

0.33

Short to medium range air targets and local vicinity surface target observations.

1.8

0.16

Local Area wireless Network (LAN) [9, 10]

2.4

0.13

Indoor and close range security applications intended for human and vehicle detection.

Global Navigation Satellites Systems (GNSS) [11, 12]

1.5

0.2

Hybridisation with SAR imaging.

1.2

0.23

Synthetic Aperture Radar (SAR) [13]

3.0

0.1

10.0

0.03

Satellite TV (SatTV) [14]

14.0

0.02