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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