Quoting the FCC link above:
"Carrier Current stations and Campus Radio stations do not require a license to set up and operate."
(Emphasis added.)
<https://www.fcc.gov/media/radio/low-power-radio-general-info...>
"Carrier Current stations and Campus Radio stations do not require a license to set up and operate."
(Emphasis added.)
<https://www.fcc.gov/media/radio/low-power-radio-general-info...>
There is probably a bunch of subtlety about where you measure from as your antenna could be quite large.