diff --git a/four2.f b/four2.f
index 54a7e1422..0a2e78c25 100755
--- a/four2.f
+++ b/four2.f
@@ -36,7 +36,7 @@ C     the naive NTOT**2.  Furthermore, less error is built up.
 C     Written by Norman Brenner of MIT Lincoln Laboratory, January 1969.
 C     See IEEE Audio Transactions (June 1967), Special issue on FFT.
 
-      DIMENSION DATA(1), N(1)
+      DIMENSION DATA(1048576), N(1)
       NTOT=1
       DO 10 IDIM=1,NDIM
  10   NTOT=NTOT*N(IDIM)
@@ -78,7 +78,7 @@ C     EXCHANGE DATA(J1,J4REV,J5) WITH DATA(J1,J4,J5) FOR ALL J1 FROM 1
 C     TO NPREV, ALL J4 FROM 1 TO N (WHICH MUST BE A POWER OF TWO), AND
 C     ALL J5 FROM 1 TO NREM.  J4REV-1 IS THE BIT REVERSAL OF J4-1.  E.G.
 C     SUPPOSE N = 32.  THEN FOR J4-1 = 10011, J4REV-1 = 11001, ETC.
-      DIMENSION DATA(1)
+      DIMENSION DATA(1048576)
       IP0=2
       IP1=IP0*NPREV
       IP4=IP1*N
@@ -135,7 +135,7 @@ C     IT IS NOT NECESSARY TO REWRITE THIS SUBROUTINE INTO COMPLEX
 C     NOTATION SO LONG AS THE FORTRAN COMPILER USED STORES REAL AND
 C     IMAGINARY PARTS IN ADJACENT STORAGE LOCATIONS.  IT MUST ALSO
 C     STORE ARRAYS WITH THE FIRST SUBSCRIPT INCREASING FASTEST.
-      DIMENSION DATA(1)
+      DIMENSION DATA(1048576)
 
       real*8 twopi,wstpr,wstpi,wr,wi,w2r,w2i,w3r,w3i,wtempr
 
diff --git a/pix2d.f90 b/pix2d.f90
index f9fd05447..e723416b9 100644
--- a/pix2d.f90
+++ b/pix2d.f90
@@ -6,6 +6,8 @@ subroutine pix2d(d2,jz,mousebutton,s2,nchan,nz,b)
   integer*2 d2(jz)                   !Raw input data
   real s2(nchan,nz)                  !2-d spectrum
   integer*2 b(60000)                 !Pixels corresponding to 2-d spectrum
+  data nx0/0/
+  save
 
   tbest=s2(2,1)
   s2(1,1)=s2(3,1)
diff --git a/wsjt.py b/wsjt.py
index 4fd987e84..89c940248 100644
--- a/wsjt.py
+++ b/wsjt.py
@@ -1,4 +1,4 @@
-#------------------------------------------------------------- WSJT
+#-------------------------------------------------------------- WSJT
 from Tkinter import *
 from tkFileDialog import *
 import Pmw