Add sheffield scan file from Chris Malarky

dvb-t/uk-Sheffield

@@ -0,0 +1,27 @@
+#
+# Sheffield, South Yorkshire, UK
+#
+# References:
+# http://www.dtg.org.uk/retailer/tx_n.html
+# http://www.dtg.org.uk/retailer/dtt_channels.html
+# http://www.digitalspy.co.uk/terrestrial/tuning/
+#
+# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
+#
+# Multiplex 1 (Channel 39) BBC[1-3], BBC News 24
+T 618000000 8MHz 3/4 NONE QAM16 2k 1/32 NONE
+#
+# Multiplex 2 (Channel 53) ITV[1-4], Channel 4, E4, More 4
+T 730000000 8MHz 2/3 NONE QAM64 2k 1/32 NONE
+#
+# Multiplex A (Channel 57) Five, QVC, UK Gold, Discovery
+T 762000000 8MHz 2/3 NONE QAM64 2k 1/32 NONE
+#
+# Multiplex B (Channel 60) BBC4, CBeebies
+T 786000000 8MHz 3/4 NONE QAM16 2k 1/32 NONE
+#
+# Multiplex C (Channel 45) Sky 3, UKTV History
+T 666000000 8MHz 3/4 NONE QAM16 2k 1/32 NONE
+#
+# Multiplex D (Channel 42) The Hits, TMF, Film Four
+T 642000000 8MHz 3/4 NONE QAM16 2k 1/32 NONE