The Australian Communications & Media Authority, or ACMA, published a wall chart for radio frequency spectrum allocations in 2013. For RF geeks this is a beautiful representation of what services sit where in different frequencies of radio spectrum.
It's interesting to look at to see how tiny the portion of spectrum 802.11 (Wi-Fi) uses. Below is a screenshot of just a small corner of the chart and as you can see it is hard to pinpoint the 5GHz WiFi frequencies hiding in amongst this subset of data.
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