In 1959, the Federal Communications Commission (FCC) issued what is known as its Above-890 ruling. The FCC ruled that there were ample frequencies above 890 megahertz (MHz) to accommodate companies that wished to construct their own microwave systems.
Identifier (URI) | Rank |
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dbkwik:resource/0m7mlUC5sn87Fc_EG2wFHQ== | 5.88129e-14 |