[PATCH] us-ATSC-center-frequencies-8VSB: Added channel numbers in comments to make the file easier to use by comparing against local channel lists.

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This is my first attempt at a patch, so please be gentle.

Signed-off-by: Maury Markowitz <maury.markowitz@xxxxxxxxx>

---
 atsc/us-ATSC-center-frequencies-8VSB | 78 ++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/atsc/us-ATSC-center-frequencies-8VSB b/atsc/us-ATSC-center-frequencies-8VSB
index e744878..abb05fb 100644
--- a/atsc/us-ATSC-center-frequencies-8VSB
+++ b/atsc/us-ATSC-center-frequencies-8VSB
@@ -1,410 +1,488 @@
 # US ATSC center frequencies, use if in doubt
 
+# VHF low-band, channels 2 to 6, no longer used for television broadcasting
+
+#channel 2
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 57028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 3
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 63028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 4
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 69028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 5
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 79028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 6
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 85028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+# VHF high-band, channels 7 to 13, not common but a few digital stations on it
+
+#channel 7
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 177028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 8
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 183028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 9
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 189028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 10
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 195028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 11
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 201028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 12
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 207028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 13
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 213028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+# UHF, channels 14 to 51, most existing stations, almost all digital
+
+#channel 14
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 473028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 15
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 479028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 16
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 485028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 17
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 491028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 18
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 497028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 19
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 503028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 20
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 509028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 21
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 515028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 22
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 521028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 23
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 527028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 24
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 533028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 25
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 539028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 26
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 545028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 27
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 551028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 28
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 557028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 29
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 563028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 30
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 569028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 31
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 575028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 32
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 581028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 33
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 587028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 34
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 593028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 35
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 599028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 36
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 605028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 37, not used in USA and Canada due to interference with radio astronomy bands
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 611028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 38
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 617028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 39
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 623028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 40
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 629028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 41
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 635028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 42
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 641028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 43
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 647028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 44
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 653028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 45
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 659028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 46
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 665028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 47
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 671028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 48
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 677028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 49
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 683028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 50
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 689028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 51, no longer used to clear interference with cell bands
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 695028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+# the following frequencies were formerly part of the UHF band before the digital transition
+# but were sold off to cell carriers and are no longer used for television
+
+#channel 52
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 701028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 53
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 707028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 54
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 713028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 55
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 719028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 56
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 725028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 57
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 731028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 58
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 737028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 59
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 743028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 60
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 749028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 61
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 755028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 62
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 761028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 63
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 767028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 64
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 773028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 65
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 779028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 66
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 785028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 67
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 791028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 68
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 797028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+#channel 69
 [CHANNEL]
 	DELIVERY_SYSTEM = ATSC
 	FREQUENCY = 803028615
 	MODULATION = VSB/8
 	INVERSION = AUTO
 
+# UHF formerly had changes 70 through 83 as well
-- 
2.5.4 (Apple Git-61)


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