C-band LNBF's use an external and adjustable scalar. So, to match your F/D of 0.6, you'd need a
conical scalar. To go with it, I'd suggest the
C2 LNBF (two ports, ready for future expansion) WSI / Galaxy offers the DMX241 single-output C-band LNBF. Both gold sponsors sell the conical scalar . If you are just experimenting and don't have a
http://www.satelliteguys.us/free-air-fta-discussion/188924-got-1-2m-dish-poss...