Environmental Data Coding Specifcation        ISO IEC LogosRight Title Graphic
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Status: STD 2005/06/07
Code: 588

Concept definition: The lowest daytime <REGION> of the <IONOSPHERE> characterized by weak concentrations of ions and located roughly between the <<ALTITUDE_MSL>>s of 50 and 90 kilometres; ionospheric D-region. An ionospheric D-region is also known as an ionospheric D-layer.
Reference type: IR
Reference: [TASC]
Supplemental references:  

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