I had support take a look at this. One location you can see the heat maps for both 5 and 2.4 channels. The other location, you can see the 5 but not the 2.4 channel for one of the APs on the heat map. Support tried under the global settings for the location with the issue, he adjusted the RSSI Range for Calibration, RSSI Threshold for Location, unchecked Calibrate heat maps, unchecked Use heat maps for location and in different combinations. He said reboot the AP (which I have done before the changes and after) or upgrade to the latest version of HiveOS/HiveManager. We are currently running 6.2r1a for HiveManager.
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