4 ms·

I found this, seems like it might be similar not sure though: https://www.quora.com/Does-the-inverse-square-law-apply-to-microwave-radiation-from-a-telecom-tow

• johnnypangs 4y ago
  This is what I think could be happening from the link: > That is not the case with the telecom tower, or a flashlight, or a laser. In those cases, radiation is directed, not equal in every direction. The inverse square law still applies, but distance is calculated from an apparent source well behind the actual energy source.