Cannot open *.plt File in linux

[UsamaBinLady]

I have problem in RouteConverter 2.8.3 on linux (downloaded via yaourt on Manjaro).
It fails opening plt file (created by SmartcomGPS).
Message :
Could not open /tmp/l.plt since its file format was not detected.


File sample:
OziExplorer Track Point File Version 2.1
WGS 84
Altitude is in Feet
Reserved 3
0,2,255,SmartComGPS 2 Track file,0,0,2,8421376
878
49.434118,14.628107,-1,1426,42412.320255
49.434099,14.628103,0,1418,42412.320822