diff --git a/rs92/pos2nmea.pl b/rs92/pos2nmea.pl
new file mode 100755
index 0000000..53ec6ad
--- /dev/null
+++ b/rs92/pos2nmea.pl
@@ -0,0 +1,78 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+
+
+my $filename = $ARGV[0];
+my $fpi;
+
+if (defined $filename) {
+  open($fpi, "<", $filename) or die "Could not open $filename: $!";
+}
+else {
+  $fpi = *STDIN;
+}
+
+my $fplog;
+my $nmeafile = "nmea.log";
+
+my $fpo = *STDOUT;
+
+
+my $line;
+
+my $hms;
+my $lat; my $lon; my $alt;
+my $NS; my $EW;
+my $cs;
+my $str;
+
+my $date = 11116; # (d)dmmyy ohne fuehrende 0 (wenn log kein Datum enthaelt)
+my $speed = 0.00;
+my $course = 0.00;
+
+while ($line = <$fpi>) {
+    if ($line =~ /(\d\d):(\d\d):(\d\d\.?\d?\d?\d?).*\ +lat:\ *(-?\d*)(\.\d*)\ +lon:\ *(-?\d*)(\.\d*)\ +alt:\ *(-?\d*\.\d*).*/) {
+
+## einzelne RMC/GGA Datensaetze fuer gpsfake
+open ($fplog, '>', $nmeafile) or die "Could not open file '$nmeafile' $!";
+
+        $hms = $1*10000+$2*100+$3;
+        $lat = $4*100+$5*60;
+        if ($4 < 0) { $NS="S"; $lat *= -1; }
+        else        { $NS="N"; }
+        $lon = $6*100+$7*60;
+        if ($6 < 0) { $EW="W"; $lon *= -1; }
+        else        { $EW="E"; }
+        $alt = $8;
+
+        if ($line =~ /(\d\d\d\d)-(\d\d)-(\d\d).*/) {
+            $date = $3*10000+$2*100+($1%100);
+        }
+
+        if ($line =~ /vH:\ *(\d+\.\d+)\ +D:\ *(\d+\.\d+).*/) {
+            $speed = $1*3.6/1.852;  # m/s -> knots
+            $course = $2;
+        }
+
+        $str = sprintf ("GPRMC,%010.3f,A,%08.3f,$NS,%09.3f,$EW,%.2f,%.2f,%06d,,", $hms, $lat, $lon, $speed, $course, $date);        
+        $cs = 0;
+        $cs ^= $_ for unpack 'C*', $str;
+        printf $fpo "\$$str*%02X\n", $cs;
+        printf $fplog "\$$str*%02X\n", $cs;
+
+        ## GPS ueber Ellipsoid; Geoid-Hoehe nicht beruecksichtigt
+        $str = sprintf ("GPGGA,%010.3f,%08.3f,$NS,%09.3f,$EW,1,04,0.0,%.3f,M,0.0,M,,", $hms, $lat, $lon, $alt);
+        $cs = 0;
+        $cs ^= $_ for unpack 'C*', $str;
+        printf $fpo "\$$str*%02X\n", $cs;
+        printf $fplog "\$$str*%02X\n", $cs;
+
+close $fplog;
+
+    }
+}
+
+close $fpi;
+close $fpo;
+