Source google image: https://www.researchgate.net/profile/Andreas_Frotzscher/publication/224098717/figure/fig4/AS:667853325881360@1536240049717/Distance-variant-Tx-Rx-isolation-of-distortion-scenario-1-and-GRXf-0.png
Isolation g.r
Source google image: https://www.researchgate.net/profile/Andreas_Frotzscher/publication/224098717/figure/fig4/AS:667853325881360@1536240049717/Distance-variant-Tx-Rx-isolation-of-distortion-scenario-1-and-GRXf-0.png