diff --git a/P25TX.cpp b/P25TX.cpp
index 7edbeb5..bf0f8e9 100644
--- a/P25TX.cpp
+++ b/P25TX.cpp
@@ -46,10 +46,10 @@ static q15_t P25_LP_FILTER[] = {170, 401, 340, -203, -715, -478, 281, 419, -440,
                                 281, -478, -715, -203, 340, 401, 170};
 const uint16_t P25_LP_FILTER_LEN = 44U;
 
-const q15_t P25_LEVELA =  2475;
-const q15_t P25_LEVELB =   825;
-const q15_t P25_LEVELC =  -825;
-const q15_t P25_LEVELD = -2475;
+const q15_t P25_LEVELA =  1698;
+const q15_t P25_LEVELB =   566;
+const q15_t P25_LEVELC =  -566;
+const q15_t P25_LEVELD = -1698;
 
 const uint8_t P25_START_SYNC = 0x77U;
 
diff --git a/YSFTX.cpp b/YSFTX.cpp
index ab3f953..a5a8b92 100644
--- a/YSFTX.cpp
+++ b/YSFTX.cpp
@@ -37,15 +37,15 @@ static q15_t YSF_C4FSK_FILTER[] = {0, 0, 0, 0, 401, 104, -340, -731, -847, -553,
 const uint16_t YSF_C4FSK_FILTER_PHASE_LEN = 9U;                       // phaseLength = numTaps/L
 #endif
 
-const q15_t YSF_LEVELA_HI =  4035;
-const q15_t YSF_LEVELB_HI =  1345;
-const q15_t YSF_LEVELC_HI = -1345;
-const q15_t YSF_LEVELD_HI = -4035;
+const q15_t YSF_LEVELA_HI =  3900;
+const q15_t YSF_LEVELB_HI =  1300;
+const q15_t YSF_LEVELC_HI = -1300;
+const q15_t YSF_LEVELD_HI = -3900;
 
-const q15_t YSF_LEVELA_LO =  2019;
-const q15_t YSF_LEVELB_LO =  673;
-const q15_t YSF_LEVELC_LO = -673;
-const q15_t YSF_LEVELD_LO = -2019;
+const q15_t YSF_LEVELA_LO =  1950;
+const q15_t YSF_LEVELB_LO =  650;
+const q15_t YSF_LEVELC_LO = -650;
+const q15_t YSF_LEVELD_LO = -1950;
 
 const uint8_t YSF_START_SYNC = 0x77U;
 const uint8_t YSF_END_SYNC   = 0xFFU;