Merge pull request #13 from swift-nav/pr-723-copy

Update cn0 parameters (i78)

Author: valeri-atamaniouk

src/track/track_gps_l1ca.c

@@ -49,7 +49,7 @@
 #define LD_PARAMS_EXTRAOPT "0.02, 0.8, 150, 50"
 #define LD_PARAMS_DISABLE  "0.02, 1e-6, 1, 1"
 
-#define CN0_EST_LPF_CUTOFF 5
+#define CN0_EST_LPF_CUTOFF 0.1
 
 #define INTEG_PERIOD_1_MS  1
 #define INTEG_PERIOD_2_MS  2
@@ -86,7 +86,7 @@ static struct lock_detect_params {
   u16 lp, lo;
 } lock_detect_params;
 
-static float track_cn0_use_thres = 31.0; /* dBHz */
+static float track_cn0_use_thres = 37.0; /* dBHz */
 static float track_cn0_drop_thres = 31.0;
 
 static char loop_params_string[120] = LOOP_PARAMS_MED;

src/track/track_gps_l2cm.c

@@ -62,7 +62,7 @@
 #define LD_PARAMS          "0.0247, 1.5, 50, 240"
 #define LD_PARAMS_DISABLE  "0.02, 1e-6, 1, 1"
 
-#define CN0_EST_LPF_CUTOFF 5
+#define CN0_EST_LPF_CUTOFF 0.1f
 
 #define INTEG_PERIOD_20_MS 20
 
@@ -86,7 +86,7 @@ static struct lock_detect_params {
   u16 lp, lo;
 } lock_detect_params;
 
-static float track_cn0_use_thres = 31.0; /* dBHz */
+static float track_cn0_use_thres = 37.0; /* dBHz */
 static float track_cn0_drop_thres = 31.0; /* dBHz */
 
 static char loop_params_string[120] = LOOP_PARAMS_MED;