2 files changed, 87 insertions, 0 deletions
diff --git a/atsc/us-NTSC-center-frequencies-8VSB b/atsc/us-NTSC-center-frequencies-8VSB
new file mode 100644
index 00000000..d21f9ae6
--- /dev/null
+++ b/atsc/us-NTSC-center-frequencies-8VSB
@@ -0,0 +1,71 @@
+# US NTSC center frequencies, use if in doubt
+
+A  57000000 8VSB
+A  63000000 8VSB
+A  69000000 8VSB
+A  79000000 8VSB
+A  85000000 8VSB
+A 177000000 8VSB
+A 183000000 8VSB
+A 189000000 8VSB
+A 195000000 8VSB
+A 201000000 8VSB
+A 207000000 8VSB
+A 213000000 8VSB
+A 473000000 8VSB
+A 479000000 8VSB
+A 485000000 8VSB
+A 491000000 8VSB
+A 497000000 8VSB
+A 503000000 8VSB
+A 509000000 8VSB
+A 515000000 8VSB
+A 521000000 8VSB
+A 527000000 8VSB
+A 533000000 8VSB
+A 539000000 8VSB
+A 545000000 8VSB
+A 551000000 8VSB
+A 557000000 8VSB
+A 563000000 8VSB
+A 569000000 8VSB
+A 575000000 8VSB
+A 581000000 8VSB
+A 587000000 8VSB
+A 593000000 8VSB
+A 599000000 8VSB
+A 605000000 8VSB
+A 611000000 8VSB
+A 617000000 8VSB
+A 623000000 8VSB
+A 629000000 8VSB
+A 635000000 8VSB
+A 641000000 8VSB
+A 647000000 8VSB
+A 653000000 8VSB
+A 659000000 8VSB
+A 665000000 8VSB
+A 671000000 8VSB
+A 677000000 8VSB
+A 683000000 8VSB
+A 689000000 8VSB
+A 695000000 8VSB
+A 701000000 8VSB
+A 707000000 8VSB
+A 713000000 8VSB
+A 719000000 8VSB
+A 725000000 8VSB
+A 731000000 8VSB
+A 737000000 8VSB
+A 743000000 8VSB
+A 749000000 8VSB
+A 755000000 8VSB
+A 761000000 8VSB
+A 767000000 8VSB
+A 773000000 8VSB
+A 779000000 8VSB
+A 785000000 8VSB
+A 791000000 8VSB
+A 797000000 8VSB
+A 803000000 8VSB
+
diff --git a/atsc/us-Philadelphia b/atsc/us-Philadelphia
new file mode 100644
index 00000000..eea9685a
--- /dev/null
+++ b/atsc/us-Philadelphia
@@ -0,0 +1,16 @@
+# US NY state
+
+#A 183000000 8VSB
+#A 515000000 8VSB
+#A 545000000 8VSB
+#A 551000000 8VSB
+A 575000000 8VSB
+A 581000000 8VSB
+A 593000000 8VSB
+#A 641000000 8VSB
+A 647000000 8VSB
+A 713000000 8VSB
+#A 719000000 8VSB
+A 773000000 8VSB
+A 785000000 8VSB
+A 791000000 8VSB