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EA:  EM_BAND

Status: STD 2005/06/07
Code: 334
Concept definition: The scientifically-accepted designation for a range of <<FREQUENCY>>s within the electromagnetic spectrum; electromagnetic band.
 
Attribute value type: ENUMERATION
Reference type:  
Reference:  
Supplemental references:  
Enumerants (presented in a natural order)
Status Attribute label Enumerant label ▾ Concept definition Code Ref type Reference Supplemental references
STD
2005/06/07		 EM_BAND VLF 3 kilohertz to 30 kilohertz; very low frequency. 4 PR [IEEE 100-2000, "very low frequency"]  
STD
2005/06/07		 EM_BAND W 75 gigahertz to 110 gigahertz, a microwave subband within <<<EHF>>>; W. 23  
STD
2005/06/07		 EM_BAND X 8 gigahertz to 12 gigahertz, a microwave subband within <<<SHF>>>; X. 17 IR [HCP, 10-212]  
STD
2005/06/07		 EM_BAND X_RAY 30 petahertz to 30 exahertz; X-ray. 43 IR [HCP, 10-212]  
STD
2005/06/07		 EM_BAND YELLOW Approximately 503 terahertz to approximately 520 terahertz; yellow. 33 IR [HECHT]  
Group membership:

In addition to the status and date information for each entry, a colour coding scheme highlights the database holding to which an entry belongs. The following highlight colours are used:

  • white - the entry is in the standard
  • yellow - the entry has been added to the register
  • pink - the entry has been submitted for inclusion in the register, but it is not approved
  • cyan - a deprecated entry that was originally either in the standard or was added to the register, but has since been deprecated

The following icons are used to identify items that have figures, modifications and/or clarification notes:

  • F n - has Figures and, if more than one figure, n figures
  • M - has Modifications
  • C - has Clarifications

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