diff --git a/avrrfm.c b/avrrfm.c
index 5555801..a12ab78 100644
--- a/avrrfm.c
+++ b/avrrfm.c
@@ -169,7 +169,7 @@
             _rssi, crc, temp.quot, abs(temp.rem));
     printString(buf);
     
-    snprintf(buf, sizeof (buf), "RSSI: -%d dBm, CRC: %d", _rssi, crc);
+    snprintf(buf, sizeof (buf), "RSSI: %4d dBm, CRC: %d", -_rssi, crc);
     const __flash Font *unifont = &unifontFont;
     writeString(0, 0, unifont, buf, WHITE, BLACK);
 
diff --git a/mcp9808.c b/mcp9808.c
index bbb8ee2..e2f0dea 100644
--- a/mcp9808.c
+++ b/mcp9808.c
@@ -94,11 +94,11 @@
         // TA < 0°C
         // clear sign
         upper &= 0x0f;
-        temp = 2560 - (upper * 160 + lower * 10 / 16);
+        temp = -(2560 - (upper * 160 + lower * 10 / 16));
     } else {
         // TA >= 0°C
         temp = (upper * 160 + lower * 10 / 16);
     }
-
+    
     return temp;
 }
\ No newline at end of file
diff --git a/rfm69.c b/rfm69.c
index 43a1605..30a89f5 100644
--- a/rfm69.c
+++ b/rfm69.c
@@ -94,9 +94,11 @@
     // regWrite(BITRATE_MSB, 0x0d);
     // regWrite(BITRATE_LSB, 0x05);
 
-    // frequency deviation 5 kHz (default)
-    // regWrite(FDEV_MSB, 0x00);
-    // regWrite(FDEV_LSB, 0x52);
+    // frequency deviation (default 5 kHz) - increasing to 40 kHz 
+    // completely removes suspectibility to temperature changes
+    // RX_BW must be increased accordingly
+    regWrite(FDEV_MSB, 0x02);
+    regWrite(FDEV_LSB, 0x80);
 
     // RC calibration, automatically done at device power-up
     // regWrite(OSC1, 0x80);
@@ -110,20 +112,20 @@
     // regWrite(PA_LEVEL, 0x7f);
 
     // LNA 200 Ohm, gain AGC (default)
-    // regWrite(LNA, 0x88);
+    regWrite(LNA, 0x88);
     // LNA 50 Ohm, gain AGC
-    regWrite(LNA, 0x08);
-    // max gain
-    // regWrite(LNA, 0x89);
+    // regWrite(LNA, 0x08);
 
     // LNA high sensitivity mode
     // regWrite(TEST_LNA, 0x2d);
 
-    // freq of DC offset canceller and channel filter bandwith (default)
-    regWrite(RX_BW, 0x55);
+    // freq of DC offset canceller and channel filter bandwith (default 10.4 kHz)
+    // increasing to 80.3 kHz in connection with setting FDEV_*SB  to 40 kHz 
+    // completely removes suspectibility to temperature changes
+    regWrite(RX_BW, 0x52);
 
     // RX_BW during AFC (default)
-    regWrite(AFC_BW, 0x8b);
+    regWrite(AFC_BW, 0x88);
     
     // AFC auto on
     // regWrite(AFC_FEI, 0x04);