The 430 to 440 MHz band: the 70-centimetre allocation and the spectrum it shares
May 26, 2026
Ten megahertz is not much room. Yet the 430 to 440 MHz band — universally known among radio operators as...
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The 406 to 430 MHz band: distress beacons, federal land mobile, space surveillance radar, and the gap before 70cm
May 26, 2026
There are bands in the UHF spectrum that carry a single dominant function — a military block, a broadcast allocation,...
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The UHF MetSat and MetAids band: weather data from balloon to satellite, squeezed into a few megahertz
May 26, 2026
Every weather forecast you have seen in the past fifty years has depended, in some part, on a narrow slice...
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The 30 to 88 MHz band: the original tactical radio range, and why it still matters
May 26, 2026
There is a version of this frequency range that most people encounter without knowing it. The upper edge of 88...
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The 318 to 400 MHz band: the upper tier of military aviation spectrum, and where it ends
May 26, 2026
Every allocation boundary tells a story. The one at 400 MHz is particularly instructive. Below it lies the upper portion...
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The 243 to 270 MHz band: where military communications meet the distress frequency that never sleeps
May 26, 2026
If any single frequency justifies knowing an entire band, it is 243.0 MHz. That frequency sits at the bottom edge...
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The 292 to 318 MHz band: a quiet stretch of spectrum with serious neighbours
May 26, 2026
Spend any time with a spectrum analyzer and you will notice that not all frequency ranges are created equal. Some...
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49 MHz Radio: The Band That Powered a Generation of Walkie-Talkies and Baby Monitors
May 21, 2026
If you grew up in the 1980s or 1990s, the radio on your bedroom shelf almost certainly operated somewhere near...
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Military Radio Spectrum: Frequency Bands and What Each One Does
May 20, 2026
Modern military forces operate across nearly the entire usable radio spectrum — from frequencies so low they penetrate seawater to...
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The 1980-2010 MHz Frequency Band: Where Global Cellular Networks Speak Different Languages
February 10, 2026
The 1980-2010 MHz frequency range represents one of the most fascinating examples of how the same radio spectrum can serve...
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