add SCP_DEST2 optional secondary destination

bin/grb2scmi2awips.sh

@@ -91,6 +91,12 @@ export -f scpurge
 
 # send a group of files to AWIPS server
 awipsitgood() {
+  if [ -n "$SCP_DEST2" ]; then
+    for attempts in `seq 5`; do
+      scp -i $SSH_IDENTITY "$@" $SCP_DEST2 && break
+      sleep 12
+    done
+  fi
   for attempts in `seq 5`; do
     scpurge "$@" && return 0
     sleep 12