EDX software can be used to create study plots that are used in various FCC licensing and filing situations. The FCC rules and regulations that govern these license applications and filings are found in Title 47 of the Code of Federal Regulations (47FCR).

These rules can be searched and viewed online at:

https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47

Downloadable versions of the documents can be found here:

https://www.govinfo.gov/app/collection/cfr/2019/title47

Expand 2019, and scroll down until you find Part 47.