<Tr> <Th> ITU radio bands </Th> </Tr> <Tr> <Td> <Table> <Tr> <Td> 1 (ELF) </Td> <Td> 2 (SLF) </Td> <Td> 3 (ULF) </Td> <Td> 4 (VLF) </Td> </Tr> <Tr> <Td> 5 (LF) </Td> <Td> 6 (MF) </Td> <Td> 7 (HF) </Td> <Td> 8 (VHF) </Td> </Tr> <Tr> <Td> 9 (UHF) </Td> <Td> 10 (SHF) </Td> <Td> 11 (EHF) </Td> <Td> 12 (THF) </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> 1 (ELF) </Td> <Td> 2 (SLF) </Td> <Td> 3 (ULF) </Td> <Td> 4 (VLF) </Td> </Tr> <Tr> <Td> 5 (LF) </Td> <Td> 6 (MF) </Td> <Td> 7 (HF) </Td> <Td> 8 (VHF) </Td> </Tr> <Tr> <Td> 9 (UHF) </Td> <Td> 10 (SHF) </Td> <Td> 11 (EHF) </Td> <Td> 12 (THF) </Td> </Tr> </Table> <Tr> <Td> 1 (ELF) </Td> <Td> 2 (SLF) </Td> <Td> 3 (ULF) </Td> <Td> 4 (VLF) </Td> </Tr>

What is x band and s band radar