diff --git a/datalink814_ge/src/phy_ctrl/phy_ctrl.c b/datalink814_ge/src/phy_ctrl/phy_ctrl.c
index f14f116..de5071d 100644
--- a/datalink814_ge/src/phy_ctrl/phy_ctrl.c
+++ b/datalink814_ge/src/phy_ctrl/phy_ctrl.c
@@ -666,18 +666,18 @@ double Phy_GetCoarseFreqEst(PHY_INST *instPtr)
 		return INFINITY; // FIXME
 	}
 	regValue = PhyRead(instPtr, COASE_FREQEST);
-	acqFreqIdx = (regValue >> COASE_FREQEST_ACQ_SHIFT) && COASE_FREQEST_ACQ_MASK;
-	acqFreqIdx = 80 - acqFreqIdx;
-	syncFreqIdx = (regValue >> COASE_FREQEST_SYNC_SHIFT) && COASE_FREQEST_SYNC_MASK;
-	syncFreqIdx = 8 - syncFreqIdx;
+	acqFreqIdx = (regValue & COASE_FREQEST_ACQ_MASK) >> COASE_FREQEST_ACQ_SHIFT;
+	syncFreqIdx = (regValue & COASE_FREQEST_SYNC_MASK) >> COASE_FREQEST_SYNC_SHIFT;
 	if (frameType >= L1_200KBPS_5MS_FRAME)
 	{
-		freqEst = (double)acqFreqIdx * (250e3 / 4);
+		// 1.5M Rc
+		freqEst = (double)(80 - acqFreqIdx) * (31.25e3 / 4);
 		freqEst += (double)syncFreqIdx * 1.5e6 / 64 / 128;
 	}
 	else
 	{
-		freqEst = acqFreqIdx * (250e3 / 4);
+		// 12M Rc
+		freqEst = (double)(8 - acqFreqIdx) * (250e3 / 4);
 		freqEst += (double)syncFreqIdx * 12e6 / 64 / 128;
 	}
 
diff --git a/datalink814_ge/src/phy_ctrl/phy_ctrlreg.h b/datalink814_ge/src/phy_ctrl/phy_ctrlreg.h
index 9fe3587..077ef56 100644
--- a/datalink814_ge/src/phy_ctrl/phy_ctrlreg.h
+++ b/datalink814_ge/src/phy_ctrl/phy_ctrlreg.h
@@ -225,8 +225,8 @@
 #define COASE_FREQEST_ACQ_SHIFT 0
 #define COASE_FREQEST_ACQ_WIDTH 8
 #define COASE_FREQEST_ACQ_MASK 0x000000FFU
-#define COASE_FREQEST_SYNC_SHIFT 0
-#define COASE_FREQEST_SYNC_WIDTH 16
+#define COASE_FREQEST_SYNC_SHIFT 8
+#define COASE_FREQEST_SYNC_WIDTH 8
 #define COASE_FREQEST_SYNC_MASK 0x000FF00U
 
 /**