diff --git a/README_592.TXT b/README_592.TXT
index f942f2316..00b1532cc 100755
--- a/README_592.TXT
+++ b/README_592.TXT
@@ -80,8 +80,7 @@ can learn more at http://developer.berlios.de/projects/wsjt/.
 The first significant result of the group effort has been to create
 versions of WSJT that run under the Linux and FreeBSD operating
 systems.  Porting WSJT to the Macintosh platform should be
-straightforward, as well, although the development team does not
-yet include anyone with Macintosh hardware.
+straightforward, as well, but has not yet been attempted.
 
 If you are interested in testing and using WSJT on your own Linux or
 FreeBSD system, we'd like to hear from you.
diff --git a/grid2deg.f b/grid2deg.f
index 9607692d7..4864af3c8 100644
--- a/grid2deg.f
+++ b/grid2deg.f
@@ -1,12 +1,24 @@
-      subroutine grid2deg(grid,dlong,dlat)
+      subroutine grid2deg(grid0,dlong,dlat)
 
 C  Converts Maidenhead grid locator to degrees of West longitude
 C  and North latitude.
 
-      character*6 grid
+      character*6 grid0,grid
       character*1 g1,g2,g3,g4,g5,g6
 
-      if(grid(5:5).eq.' ') grid(5:6)='mm'
+      grid=grid0
+      i=ichar(grid(5:5))
+      if(grid(5:5).eq.' ' .or. i.le.64 .or. i.ge.128) grid(5:6)='mm'
+
+      if(grid(1:1).ge.'a' .and. grid(1:1).le.'z') grid(1:1)= 
+     +   char(ichar(grid(1:1))+ichar('A')-ichar('a'))
+      if(grid(2:2).ge.'a' .and. grid(2:2).le.'z') grid(2:2)=
+     +   char(ichar(grid(2:2))+ichar('A')-ichar('a'))
+      if(grid(5:5).ge.'A' .and. grid(5:5).le.'Z') grid(5:5)=
+     +   char(ichar(grid(5:5))-ichar('A')+ichar('a'))
+      if(grid(6:6).ge.'A' .and. grid(6:6).le.'Z') grid(6:6)=
+     +   char(ichar(grid(6:6))-ichar('A')+ichar('a'))
+
       g1=grid(1:1)
       g2=grid(2:2)
       g3=grid(3:3)
diff --git a/specjt.py b/specjt.py
index 4f2d04824..ed10e513b 100644
--- a/specjt.py
+++ b/specjt.py
@@ -228,7 +228,10 @@ def update():
             n=Audio.gcom2.nlines
             box=(0,0,750,300-n)                 #Define region
             region=im.crop(box)                 #Get all but last line(s)
-            im.paste(region,(0,n))              #Move waterfall down
+            try:
+                im.paste(region,(0,n))          #Move waterfall down
+            except:
+                print "Images did not match, continuing anyway."
             for i in range(n):
                 line0.putdata(a[750*i:750*(i+1)])   #One row of pixels to line0
                 im.paste(line0,(0,i))               #Paste in new top line
diff --git a/wsjt.py b/wsjt.py
index a964b7713..f1fc4534c 100644
--- a/wsjt.py
+++ b/wsjt.py
@@ -1,4 +1,4 @@
-#--------------------------------------------------------------- WSJT
+#---------------------------------------------------------------- WSJT
 from Tkinter import *
 from tkFileDialog import *
 import Pmw
@@ -15,7 +15,7 @@ from types import *
 import array
 
 root = Tk()
-Version="5.9.2 r" + "$Rev$"[6:-1]
+Version="5.9.3 r" + "$Rev$"[6:-1]
 print "******************************************************************"
 print "WSJT Version " + Version + ", by K1JT"
 print "Revision date: " + \
@@ -1253,7 +1253,7 @@ def update():
             g.ndop,g.ndop00,g.dbMoon,g.RAMoon,g.DecMoon,g.HA8,g.Dgrd,  \
             g.sd,g.poloffset,g.MaxNR,g.dfdt,g.dfdt0,g.RaAux,g.DecAux, \
             g.AzAux,g.ElAux = Audio.astro0(utc[0],utc[1],utc[2],  \
-            utchours,nfreq.get(),options.MyGrid.get(), \
+            utchours,nfreq.get(),options.MyGrid.get().upper(), \
                 options.auxra.get()+'         '[:9],     \
                 options.auxdec.get()+'         '[:9])