No, stock HF unmodified LimeSDR v1.4.
Configuration file:
https://drive.google.com/file/d/15Tt7vJgj2PqvoNYvoY1tEAD6gqUs59nU/view
Here is what I get:
No calibration:
Stock calibration:
Manual calibration, using LimeSDR receiver and FFT
Manual calibration, using external spectrum analyzer:
