There is a 29 MHz slice of the radio spectrum that every commercial aircraft in the world depends on every...

The 38 MHz of spectrum between 136 and 174 MHz is one of the most densely occupied slices of the...

Few frequency ranges have generated as much money, as much regulatory complexity, or as much unexpected conflict as the C...

Few frequency ranges illustrate the tension between licensed professional users, unlicensed consumer devices, and secondary amateur allocations as clearly as...

Ten megahertz is not much room. Yet the 430 to 440 MHz band — universally known among radio operators as...

There are bands in the UHF spectrum that carry a single dominant function — a military block, a broadcast allocation,...

Every weather forecast you have seen in the past fifty years has depended, in some part, on a narrow slice...

There is a version of this frequency range that most people encounter without knowing it. The upper edge of 88...

Every allocation boundary tells a story. The one at 400 MHz is particularly instructive. Below it lies the upper portion...

If any single frequency justifies knowing an entire band, it is 243.0 MHz. That frequency sits at the bottom edge...