diff --git a/frequencies.txt b/frequencies.txt
index 75def63..918170d 100644
--- a/frequencies.txt
+++ b/frequencies.txt
@@ -1,4 +1,3 @@
-38860 2214.486
 38860 2214.487
 24753 2214.663
 33446 2216.526
@@ -107,7 +106,6 @@
 28649 2249.686
 37849 2249.930
 37849 2249.076
-90020 2242.499
 37849 2240.688
 35937 2240.100
 35937 2240.332
@@ -246,6 +244,39 @@
 39634 2254.116
 35937 2255.688
 35937 2252.616
-78405 2252.515
-78406 2252.515
+10033 2252.536
+23533 2252.507
+39630 2252.505
+24753 2252.506
 78407 2252.515
+78408 2252.515
+78409 2252.515
+24753 2203.400
+24753 2202.376
+36508 2201.010
+24753 2201.352
+39380 2202.513
+90020 2242.504
+27391 2212.059
+27640 2210.937
+40118 2212.568
+33321 2213.800
+27640 2212.253
+31140 2210.906
+36599 2213.015
+27391 2213.111
+29107 2213.006
+26958 2245.014
+39630 2245.338
+39630 2262.181
+39630 2264.843
+25789 2263.151
+25789 2264.200
+32958 2264.650
+29522 2245.327
+37849 2243.956
+39630 2272.831
+39630 2270.168
+23533 2243.290
+23533 2244.314
+23533 2245.338
diff --git a/rffind.c b/rffind.c
index 40b424b..9290b23 100644
--- a/rffind.c
+++ b/rffind.c
@@ -113,7 +113,7 @@ int main(int argc,char *argv[])
   int arg=0;
   float sigma=5.0;
   FILE *file;
-  double f,f0,df0;
+  double f,f0=0.0,df0=0.0;
   char filename[128]="find.dat";
 
   // Get site