The terminal designationsAnchor A17.8.2 A17.8.2
...
The field-strength values given by the land curves and associated tabulations in this model are for a reference receiving/mobile antenna at a height, R (m), representative of the height of the ground cover surrounding the receiving/mobile antenna, subject to a minimum height value of 10 m. Examples of reference heights are 20 m for an urban area, 30 m for a dense urban area and 10 m for a suburban area.
Table 88: Default clutter height in the P1546-4 (when clutter height option not activated)Anchor T088 T088
...