diff --git a/astro.F b/astro.F
index a0338dc00..b97c9cc0b 100644
--- a/astro.F
+++ b/astro.F
@@ -37,8 +37,6 @@ C  NB: may want to smooth the Tsky map to 10 degrees or so.
         open(13,file=fname,status='old',access='stream',err=10)
         read(13) nsky
         close(13)
-!        call rfile2(fname,nsky,129600,nr)
-!        if(nr.ne.129600) go to 10
 #endif
         ltsky=.true.
         first=.false.
diff --git a/getfile2.F90 b/getfile2.F90
index 914d6f013..ad2ede349 100644
--- a/getfile2.F90
+++ b/getfile2.F90
@@ -33,22 +33,12 @@ subroutine getfile2(fname,len)
   ndecoding=4
   monitoring=0
   kbuf=1
-!#ifdef CVF
-!  open(10,file=fname,form='binary',status='old',err=998)
+
   call rfile3a(fname,id,n,ierr)
   if(ierr.ne.0) then
      print*,'Error opening or reading file: ',fname,ierr
      go to 999
   endif
-!#else
-!  call rfile2(fname,id,n,nr)
-!  if(nr.ne.n) then
-!     print*,'Error opening or reading file: ',fname,n,nr
-!     ierr=1002
-!     go to 999
-!  endif
-!
-!#endif
 
   sq=0.
   ka=0.1*NSMAX
diff --git a/map65.py b/map65.py
index 631af4923..ff2489229 100644
--- a/map65.py
+++ b/map65.py
@@ -1,4 +1,4 @@
-#--------------------------------------------------------------------- MAP65
+#-------------------------------------------------------------------- MAP65
 # $Date$ $Revision$
 #
 from Tkinter import *
diff --git a/sec_midn.F90 b/sec_midn.F90
index 2a919d000..3af19984c 100644
--- a/sec_midn.F90
+++ b/sec_midn.F90
@@ -1,14 +1,5 @@
 real function sec_midn()
-
-real*8 sec8,hrtime
-
-#ifdef CVF
   sec_midn=secnds(0.0)
-#else
-  sec8=hrtime()
-  sec_midn=mod(sec8,86400.d0)
-#endif
-
   return
 end function sec_midn
 
diff --git a/spec.f90 b/spec.f90
index 40f399453..db5f34e9c 100644
--- a/spec.f90
+++ b/spec.f90
@@ -89,9 +89,13 @@ subroutine spec(brightness,contrast,ngain,nspeed,a,a2)
      a2(i)=a2(i-newpts)
   enddo
 
-  gain=40*sqrt(nstep(nspeed)/5.0) * 5.0**(0.01*contrast)
+  logmap=1
   gamma=1.3 + 0.01*contrast
   offset=(brightness+64.0)/2
+  if(logmap.eq.1) then
+     gain=40*sqrt(nstep(nspeed)/5.0) * 5.0**(0.01*contrast)
+     offset=brightness/2 + 10
+  endif
   fac=20.0/nadd
   fac=fac*0.065/base
  ! fac=fac*(0.1537/base)
@@ -120,14 +124,16 @@ subroutine spec(brightness,contrast,ngain,nspeed,a,a2)
            x=max(x,s(ii,j))
         enddo
         x=fac*x
-        if(x.gt.0.0) n=(2.0*x)**gamma + offset
+        if(x.gt.0.0 .and. logmap.eq.0) n=(2.0*x)**gamma + offset
+        if(x.gt.0.0 .and. logmap.eq.1) n=gain*log10(1.0*x) + offset
         n=min(252,max(0,n))
         a(k)=n
 
 !  Now do the lower (zoomed) waterfall with one FFT bin per pixel.
         n=0
         x=fac*s(i0+i-1,j)
-        if(x.gt.0.0) n=(3.0*x)**gamma + offset
+        if(x.gt.0.0 .and. logmap.eq.0) n=(3.0*x)**gamma + offset
+        if(x.gt.0.0 .and. logmap.eq.1) n=1.2*gain*log10(1.0*x) + offset
         n=min(252,max(0,n))
         a2(k)=n
 
diff --git a/wsjtgen.F90 b/wsjtgen.F90
index 225d5eddd..8e8b6fcbb 100644
--- a/wsjtgen.F90
+++ b/wsjtgen.F90
@@ -64,6 +64,9 @@ subroutine wsjtgen
         testfile=msg(2:)
 #ifdef CVF
         open(18,file=testfile,form='binary',status='old',err=12)
+#else
+        open(18,file=testfile,access='stream',status='old',err=12)
+#endif
         go to 14
 12      print*,'Cannot open test file ',msg(2:)
         go to 999
@@ -73,17 +76,17 @@ subroutine wsjtgen
         close(18)
         if(ierr.ne.0) print*,'Error reading test file ',msg(2:)
 
-#else
-        tfile2=testfile
-	call rfile2(tfile2,hdr,44+2*661500,nr)
-	if(nr.le.0) then
-           print*,'Error reading ',testfile
-	   stop
-        endif
-	do i=1,ndata/2
-	   iwave(i)=jwave(i)
-        enddo
-#endif
+!#else
+!        tfile2=testfile
+!	call rfile2(tfile2,hdr,44+2*661500,nr)
+!	if(nr.le.0) then
+!           print*,'Error reading ',testfile
+!	   stop
+!        endif
+!	do i=1,ndata/2
+!	   iwave(i)=jwave(i)
+!        enddo
+!#endif
         nwave=ndata/2
         do i=nwave,NTXMAX
            iwave(i)=0