getGainF
gainFRD = getGainF(ah, pRD, pRD->regdmn[rd], &dBmRD);
gainF36 = getGainF(ah, pRD, cp[9], &dBm36);
gainF48 = getGainF(ah, pRD, cp[8], &dBm48);
gainF54 = getGainF(ah, pRD, cp[7], &dBm54);
gainFRD = getGainF(ah, pRD, cp[14], &dontcare);
gainF36 = getGainF(ah, pRD, cp[9], &dontcare);
gainF48 = getGainF(ah, pRD, cp[8], &dontcare);
gainF54 = getGainF(ah, pRD, cp[7], &dontcare);