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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 RF Less than 3 gigahertz; radio frequency. Note that the RF band omits microwave bands, although these can be used for communication. 1 [SOED, "radio-frequency"]
STD
2005/06/07
EM_BAND ULF Less than 3 hertz; ultra-low frequency. 2 PR [IEEE 100-2000, "ultra-low frequency"]  
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 VLF 3 kilohertz to 30 kilohertz; very low frequency. 4 PR [IEEE 100-2000, "very low frequency"]  
STD
2005/06/07
EM_BAND LF 30 kilohertz to 300 kilohertz; low frequency. 5 PR [IEEE 100-2000, "low frequency"]  
STD
2005/06/07
EM_BAND MF 300 kilohertz to 3 megahertz; medium frequency. 6 PR [IEEE 100-2000, "medium frequency"]  
STD
2005/06/07
EM_BAND HF 3 megahertz to 30 megahertz; high frequency. 7 PR [IEEE 100-2000, "high frequency"]  
STD
2005/06/07
EM_BAND VHF 30 megahertz to 300 megahertz; very high frequency. 8 PR [IEEE 100-2000, "very high frequency"]  
STD
2005/06/07
EM_BAND Q_RADIO 36 megahertz to 46 megahertz, a radio subband within <<<VHF>>>; Q radio. 9 [APDS, "Q band"]
STD
2005/06/07
EM_BAND P_RADIO 225 megahertz to 390 megahertz, a special radio subband that overlaps the boundary of <<<VHF>>> and <<<UHF>>>; P radio. 10 [APDS, "P band"]

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:

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