[ns] how to change Pt_

Hi everybody, I've found that I can change node range by this parameter Phy/WirelessPhy set Pt_ but I do not understand how to recalculate 500m to something like 0.2818 and I can not find anything about it, probably somebody know where I can find some information. Thank you in advance

Re: [ns] how to change Pt_

Pt_ = (7.2 X 10^-11) * d^4 d= 500m Hi everybody, I've found that I can change node range by this parameter Phy/WirelessPhy set Pt_ but I do not understand how to recalculate 500m to something like 0.2818 and I can not find anything about it, probably somebody know where I can find