tier level
The degree number of the ARTCC tier. Tier 1 includes the central ARTCC plus all ARTCCs immediately adjoining the central ARTCC; tier 2 includes tier 1 plus all adjacent ARTCCs two steps away from the central ARTCC. And so on.
tier level
The degree number of the ARTCC tier. Tier 1 includes the central ARTCC plus all ARTCCs immediately adjoining the central ARTCC; tier 2 includes tier 1 plus all adjacent ARTCCs two steps away from the central ARTCC. And so on.
comment
The degree number of the ARTCC ...... the central ARTCC. And so on.
domain
label
tier level