diff --git a/firmware.bin b/firmware.bin
index 721294d..80cf3f6 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.packed.bin b/firmware.packed.bin
index 43c7d8e..6f2cace 100644
Binary files a/firmware.packed.bin and b/firmware.packed.bin differ
diff --git a/frequencies.c b/frequencies.c
index ca3fe86..b16f9e5 100644
--- a/frequencies.c
+++ b/frequencies.c
@@ -83,21 +83,20 @@ FREQUENCY_Band_t FREQUENCY_GetBand(uint32_t Frequency)
 
 uint8_t FREQUENCY_CalculateOutputPower(uint8_t TxpLow, uint8_t TxpMid, uint8_t TxpHigh, int32_t LowerLimit, int32_t Middle, int32_t UpperLimit, int32_t Frequency)
 {
+	uint8_t pwr = TxpMid;
+	
 	if (Frequency <= LowerLimit)
 		return TxpLow;
 
-	if (UpperLimit <= Frequency)
+	if (Frequency >= UpperLimit)
 		return TxpHigh;
 
+	// linear interpolation
 	if (Frequency <= Middle)
-	{
-		TxpMid += ((TxpMid - TxpLow) * (Frequency - LowerLimit)) / (Middle - LowerLimit);
-		return TxpMid;
-	}
-
-	TxpMid += ((TxpHigh - TxpMid) * (Frequency - Middle)) / (UpperLimit - Middle);
-
-	return TxpMid;
+		pwr += ((TxpMid  - TxpLow) * (Frequency - LowerLimit)) / (Middle - LowerLimit);
+	else
+		pwr += ((TxpHigh - TxpMid) * (Frequency - Middle))     / (UpperLimit - Middle);
+	return pwr;
 }
 
 uint32_t FREQUENCY_FloorToStep(uint32_t Upper, uint32_t Step, uint32_t Lower)
diff --git a/radio.c b/radio.c
index cc5d9c2..cacd25c 100644
--- a/radio.c
+++ b/radio.c
@@ -425,12 +425,12 @@ void RADIO_ConfigureChannel(const unsigned int VFO, const unsigned int configure
 
 void RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo)
 {
-	uint8_t          Txp[3];
+	uint8_t          TX_power[3];
 	FREQUENCY_Band_t Band;
 
 	// *******************************
 	// squelch
-	
+
 	Band = FREQUENCY_GetBand(pInfo->pRX->Frequency);
 	uint16_t Base = (Band < BAND4_174MHz) ? 0x1E60 : 0x1E00;
 
@@ -494,13 +494,13 @@ void RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo)
 		glitch_close = (glitch_open * 10) / 9;
 
 		// ensure the 'close' threshold is lower than the 'open' threshold
-		if (rssi_close   == rssi_open   && rssi_close   > 0)
-			rssi_close--;
-		if (noise_close  == noise_open  && noise_close  < 127)
-			noise_close++;
-		if (glitch_close == glitch_open && glitch_close < 255)
-			glitch_close++;
-		
+		if (rssi_close   == rssi_open   && rssi_close   >= 2)
+			rssi_close -= 2;
+		if (noise_close  == noise_open  && noise_close  <= 125)
+			noise_close += 2;
+		if (glitch_close == glitch_open && glitch_close <= 253)
+			glitch_close += 2;
+
 		pInfo->SquelchOpenRSSIThresh    = (rssi_open    > 255) ? 255 : rssi_open;
 		pInfo->SquelchCloseRSSIThresh   = (rssi_close   > 255) ? 255 : rssi_close;
 		pInfo->SquelchOpenNoiseThresh   = (noise_open   > 127) ? 127 : noise_open;
@@ -511,15 +511,25 @@ void RADIO_ConfigureSquelchAndOutputPower(VFO_Info_t *pInfo)
 
 	// *******************************
 	// output power
-	
+
+	// my calibration data
+	//
+	// 1ED0    32 32 32   64 64 64   8C 8C 8C   FF FF FF FF FF FF FF ..  50 MHz 
+	// 1EE0    32 32 32   64 64 64   8C 8C 8C   FF FF FF FF FF FF FF .. 108 MHz
+	// 1EF0    5F 5F 5F   69 69 69   91 91 8F   FF FF FF FF FF FF FF .. 136 MHz
+	// 1F00    32 32 32   64 64 64   8C 8C 8C   FF FF FF FF FF FF FF .. 174 MHz
+	// 1F10    5A 5A 5A   64 64 64   82 82 82   FF FF FF FF FF FF FF .. 350 MHz
+	// 1F20    5A 5A 5A   64 64 64   8F 91 8A   FF FF FF FF FF FF FF .. 400 MHz
+	// 1F30    32 32 32   64 64 64   8C 8C 8C   FF FF FF FF FF FF FF .. 470 MHz
+
 	Band = FREQUENCY_GetBand(pInfo->pTX->Frequency);
 
-	EEPROM_ReadBuffer(0x1ED0 + (Band * 16) + (pInfo->OUTPUT_POWER * 3), Txp, 3);
+	EEPROM_ReadBuffer(0x1ED0 + (Band * 16) + (pInfo->OUTPUT_POWER * 3), TX_power, 3);
 
 	pInfo->TXP_CalculatedSetting = FREQUENCY_CalculateOutputPower(
-		Txp[0],
-		Txp[1],
-		Txp[2],
+		TX_power[0],
+		TX_power[1],
+		TX_power[2],
 		 frequencyBandTable[Band].lower,
 		(frequencyBandTable[Band].lower + frequencyBandTable[Band].upper) / 2,
 		 frequencyBandTable[Band].upper,
@@ -939,7 +949,7 @@ void RADIO_PrepareTX(void)
 			gEeprom.RX_VFO = gEeprom.TX_VFO;
 			gRxVfo         = &gEeprom.VfoInfo[gEeprom.TX_VFO];
 //			gRxVfoIsActive = true;
-			gRxVfoIsActive = false;
+//			gRxVfoIsActive = false;
 		}
 
 		// let the user see that DW is not active
@@ -1092,7 +1102,7 @@ void RADIO_SendEndOfTransmission(void)
 				gEeprom.DTMF_HASH_CODE_PERSIST_TIME,
 				gEeprom.DTMF_CODE_PERSIST_TIME,
 				gEeprom.DTMF_CODE_INTERVAL_TIME);
-		
+
 		GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_AUDIO_PATH);
 		gEnableSpeaker = false;
 	}