FCC radio Frequency allocation (2020)

a good source of Various freeq allocation

NTIA Radio Frequency allocation (2016)

Yet another Freeq allocation (based on the FCC allocation)

Europe frequency allocation (2020)

UK frequency allocation (2020)

Ireland Frequency allocation (2020)

ApectrumWiki is a good Freq / Service search engine

GMRS Freq table

FRS freq table

Space comm downlink Freq list

UHF FollowOn Sat freq

CDMA Cellular Freeq allocations

TV Channel Frequcies

Another World TV System Freq Charts