This version is circa 2003/October:
This version is circa 2016/January:
Most current version depository (pdf) is here: https://www.ntia.doc.gov/page/2011/united-states-frequency-allocation-chart
[...getting pawned off to the highest bidders!]
Most current version depository (pdf) is here: https://www.ntia.doc.gov/page/2011/united-states-frequency-allocation-chart
[...getting pawned off to the highest bidders!]