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Basically there are no physical limitations of wavelength where a RADAR unit may operate, thereby it can operate practically on any wavelength from ELF (extremely low frequency) where wavelength can be as high as several hundreds kilometers or in Optical band like Laser RADAR (LADAR) who have wavelength of some microns .
The limitations of RADAR operating wavelength is in their geometrical size of devices (transmitters, antennas and Receivers) required to produce such wavelength and their utilization .
The following list is typical wavelength used by RADAR applications
Search and Early Warning RADAR :
>1- 10cm wavelength (HF- C band)
Target Tracking RADAR :
<10 cm Wavelength (C-band till milimmetric waveband)
hope this helps
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∙ 14y ago
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He wasn't married.
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