Observation angle (degrees) | Entrance angle (degrees) | Minimum acceptable value of A | |
Meters | Feet | ||
0.2 | -4 | 2.2 | 7.25 |
.2 | 20 | 1.9 | 6.27 |
.2 | 40 | 1.3 | 4.29 |
1.5 | -4 | .22 | .73 |
1.5 | 20 | .19 | .63 |
1.5 | 40 | .13 | .43 |
16 C.F.R. § 1512 app Table 3 to Part 1512
Observation angle (degrees) | Entrance angle (degrees) | Minimum acceptable value of A | |
Meters | Feet | ||
0.2 | -4 | 2.2 | 7.25 |
.2 | 20 | 1.9 | 6.27 |
.2 | 40 | 1.3 | 4.29 |
1.5 | -4 | .22 | .73 |
1.5 | 20 | .19 | .63 |
1.5 | 40 | .13 | .43 |
16 C.F.R. § 1512 app Table 3 to Part 1512