For "50.0E Turksat 4A Ka Band" need position="501"
<sat name="50.0E Turksat 4A Ka Band" flags="1" position="502"> <transponder frequency="18734000" symbol_rate="2222000" polarization="2" fec_inner="0" system="0" modulation="1"/> <transponder frequency="19750000" symbol_rate="2222000" polarization="2" fec_inner="0" system="0" modulation="1"/> </sat> <sat name="50.2E Intelsat 5 Ku Band" flags="1" position="502"> <transponder frequency="11665000" symbol_rate="2222000" polarization="1" fec_inner="0" system="0" modulation="1"/> </sat>