Environmental Data Coding Specifcation        ISO IEC LogosRight Title Graphic
Home Browse Search Download Submissions FAQs Contact
 

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 ELF 3 hertz to 30 hertz; extremely low frequency. 3 PR [IEEE 100-2000, "extremely low frequency"]  
STD
2005/06/07		 EM_BAND EXTREME_INFRARED 300 gigahertz to 20 terahertz; extreme infrared. 25 IR [HECHT]  
STD
2014/02/14		 EM_BAND EXTREME_UV Approximately 3 petahertz to approximately 30 petahertz; extreme ultraviolet. 55  
STD
2014/02/14		 EM_BAND F 90 gigahertz to 140 gigahertz; F. 47  
STD
2005/06/07		 EM_BAND FARULTRAVIOLET 3 petahertz to 300 petahertz; farultraviolet. 39 [SOED, "farultraviolet"]
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

Bottom Bar Graphic
 Send mail to webmaster with questions or comments about this web site.