1XTRA_SERVER_1=http://xtra1.gpsonextra.net/xtra.bin 2XTRA_SERVER_2=http://xtra2.gpsonextra.net/xtra.bin 3XTRA_SERVER_3=http://xtra3.gpsonextra.net/xtra.bin 4
1XTRA_SERVER_1=http://xtra1.gpsonextra.net/xtra.bin 2XTRA_SERVER_2=http://xtra2.gpsonextra.net/xtra.bin 3XTRA_SERVER_3=http://xtra3.gpsonextra.net/xtra.bin 4