diff --git a/tools/pos2aprs.pl b/tools/pos2aprs.pl
index ecedc80..33d95ce 100755
--- a/tools/pos2aprs.pl
+++ b/tools/pos2aprs.pl
@@ -71,7 +71,9 @@ while ($line = <$fpi>) {
             $date = $3*10000+$2*100+($1%100);
         }
 
-        if ($line =~ /vH:\ *(\d+\.\d+)\ +D:\ *(\d+\.\d+).*/) {
+        if ( ($line =~ /vH:\ *(\d+\.\d+)\ +D:\ *(\d+\.\d+).*/)
+          or ($line =~ /vH:\ *(\d+\.\d+)m\/s\ +D:\ *(\d+\.\d+).*/) )
+        {
             $speed = $1*3.6/1.852;  ## m/s -> knots
             $course = $2;
         }
diff --git a/tools/pos2nmea.pl b/tools/pos2nmea.pl
index 4d71cdb..2cf438f 100755
--- a/tools/pos2nmea.pl
+++ b/tools/pos2nmea.pl
@@ -77,7 +77,9 @@ while ($line = <$fpi>) {
             $date = $3*10000+$2*100+($1%100);
         }
 
-        if ($line =~ /vH:\ *(\d+\.\d+)\ +D:\ *(\d+\.\d+).*/) {
+        if ( ($line =~ /vH:\ *(\d+\.\d+)\ +D:\ *(\d+\.\d+).*/)
+          or ($line =~ /vH:\ *(\d+\.\d+)m\/s\ +D:\ *(\d+\.\d+).*/) )
+        {
             $speed = $1*3.6/1.852;  ## m/s -> knots
             $course = $2;
         }