High noise spikes in LimeSDR RX mode even without antenna

[Kc7noa]

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What about IQ imbalance - DC offset calibration?

from terminal something like LimeSuiteCalibrate --freqStart 500000 --freqStop 3800000000 Though im not sure 500Khz is low enough for some people … im not sure what the lowest starting point would be …

Hope the link is correct