These bands are not like drawing two parallel lines that don't touch, then blaming the other person for coloring outside the lines. An exclusion band is allowe

These bands are not like drawing two parallel lines that don't touch, then blaming the other person for coloring outside the lines. An exclusion band is allowed ±10% around the band within which the HIRF levels are very low. For radar altimeters this spans 3.78–4.84 GHz.