diff --git a/hyo2/ssm2/lib/formats/writers/hypack.py b/hyo2/ssm2/lib/formats/writers/hypack.py
index a8796c4..a68a60a 100644
--- a/hyo2/ssm2/lib/formats/writers/hypack.py
+++ b/hyo2/ssm2/lib/formats/writers/hypack.py
@@ -33,13 +33,31 @@ def _write_header(self):
 
         header = str()
 
-        header += "FTP NEW 2\n"
-
+        # position
+        if not self.ssp.cur.meta.latitude or not self.ssp.cur.meta.longitude:
+            latitude = 0.0
+            longitude = 0.0
+        else:
+            latitude = self.ssp.cur.meta.latitude
+            longitude = self.ssp.cur.meta.longitude
+        while longitude > 180.0:
+            longitude -= 360.0
+
+        position_string = "{0:.9f} {1:.9f}".format(latitude, longitude)
+
+        # date
+        if self.ssp.cur.meta.utc_time:
+            date_string = "%s" % self.ssp.cur.meta.utc_time.strftime("%H:%M %m/%d/%Y")
+        else:
+            date_string = "%s" % datetime.datetime.now().strftime("%H:%M %m/%d/%Y")
+
+        header += "FTP NEW 3 " + position_string + " " + date_string + "\r\n"
+            
         self.fod.io.write(header)
 
     def _write_body(self):
         # logger.debug('generating body')
         vi = self.ssp.cur.proc_valid
         for idx in range(np.sum(vi)):
-            self.fod.io.write("%.1f %.1f\n"
+            self.fod.io.write("%.2f %.2f\r\n"
                               % (self.ssp.cur.proc.depth[vi][idx], self.ssp.cur.proc.speed[vi][idx],))