Sunday, 1 January 2017

Terrestrial and Cable TV frequencies (CATV)


Terrestrial and Cable TV  frequencies (CATV)


As discussed earlier a television Radio Frequency (RF) channel is allocated 6 MHz bandwidth for over-the-air transmission in the in the VHF or UHF frequency band.








VHF Band
VHF-band is the frequency spectrum between 30 and 300 MHZ. It covers the broadcast television channels 2 (54 MHz) to 13 (216 MHz) and cable TV channels 2 (54 MHz) to 36 (300 MHz)


VHF-Lo (54 - 88 MHz) 


RF
Channel
MHz
Band-
width
  Government and Public Service
30-50
Amateur Radio
50-54
2
57
54-60
3
63
60-66
4
69
66-72
Shared Use
72-76
5
79
76-82
6
85
82-88


 VHF-Hi (174-216 MHz) 

RF
Channel
MHz
Band-
width
7
177
174-180
8
183
180-186
9
189
186-192
10
195
192-198
11
201
198-204
12
207
204-210
13
213
210-216
Radar
216-225
Government
225-300

UHF Band


The UHF-band for television is the frequency spectrum between 300 to 1000 MHz. UHF covers over the air channels 14 (470MHz) to 69 (806 MHz) and analog cable TV channels 37(300 MHz) to 158 (1002 MHz). Digital Cable TV channels do not follow the standard analog channel allocation.


Television UHF Band (470 - 806 MHz) 

RF
Channel
MHz
Band-
width
RF
Channel
MHz
Band-
width
RF
Channel
MHz
Band-
width
14
473
470-476
33
587
584-590
52
701
698-704
15
479
476-482
34
593
590-596
53
707
704-710
16
485
482-488
35
599
596-602
54
713
710-716
17
491
488-494
36
605
602-608
55
719
716-722
18
497
494-500
37
611
608-614
56
725
722-728
19
503
500-506
38
617
614-620
57
731
728-734
20
509
506-512
39
623
620-626
58
737
734-740
21
515
512-518
40
629
626-632
59
743
740-746
22
521
518-524
41
635
632-638
60
749
746-752
23
527
524-530
42
641
638-644
61
755
752-758
24
533
530-536
43
647
644-650
62
761
758-764
25
539
536-542
44
653
650-656
63
767
764-770
26
545
542-548
45
659
656-662
64
773
770-776
27
551
548-554
46
665
662-668
65
779
776-782
28
557
554-560
47
671
668-674
66
785
782-788
29
563
560-566
48
677
674-680
67
791
788-794
30
569
566-572
49
683
680-686
68
797
794-800
31
575
572-578
50
689
686-692
69
803
800-806
32
581
578-584
51
695
692-698







CA TV Channel Distribution Chart


  In Analog cable tv network , Channels are Rf modulated using Modulator and fed through RF cables . chart shown below describes the  frequency allocation . 

VHF CATV Channel

 Frequency (MHz)
UHF CATV Channel
 Frequency (MHz)
UHF CATV Channel
 Frequency (MHz)
2
V
H
F

L
O
W
54 - 60
65
468 - 474
104
672 - 678
3
60 - 66

470 - 476

674 - 680
4
66 - 72
66
474 - 480
105
678 - 684
5
76 - 82

476 - 482

680 - 686
6
82 - 88
67
480 - 486
106
684 - 690
95
L
O
W
M
I
D
90 - 96

482 - 488

686 - 692
96
96 - 102
68
486 - 492
107
690 - 696
97
102 - 108

488 - 494

692 - 698
98
108 - 114
69
492 - 498
108
696 - 702
99
114 - 120

494 - 500

698 - 704
14
M
I
D

B
A
N
D

120 - 126
70
498 - 504
109
702 - 708
15
126 - 132

500 - 506

704 - 710
16
132 - 138
71
504 - 510
110
708 - 714
17
138 - 144

506 - 512

710 - 716
18
144 - 150
72
510 - 516
111
714 - 720
19
150 - 156

512 - 518

716 - 722
20
156 - 162
73
516 - 522
112
720 - 726
21
162 - 168

518 - 524

722 - 728
22
168 - 174
74
522 - 528
113
726 - 732
7
V
H
F

H
I
174 - 180

524 - 530

728 - 734
8
180 - 186
75
528 - 534
114
732 - 738
9
186 - 192

530 - 536

734 - 740
10
192 - 198
76
534 - 540
115
738 - 744
11
198 - 204

536 - 542

740 - 746
12
204 - 210
77
540 - 546
116
744 - 750
13
210 - 216

542 - 548

746 - 752
23
S
U
P
E
R


B
A
N
D

216 - 222
78
546 - 552
117
750 - 756
24
222 - 228

548 - 554

752 - 758
25
228 - 234
79
552 - 558
118
756 - 762
26
234 - 240

554 - 560

758 - 764
27
240 - 246
80
558 - 564
119
762 - 768
28
246 - 252

560 - 566

764 - 770
29
252 - 258
81
564 - 570
120
768 - 774
30
258 - 264

566 - 572

770 - 776
31
264 - 270
82
570 - 576
121
774 - 780
32
270 - 276

572 - 578

776 - 782
33
276 - 282
83
576 - 582
122
780 - 786
34
282 - 288

578 - 584

782 - 788
35
288 - 294
84
582 - 588
123
786 - 792
36
294 - 300

584 - 590

788 - 794
37
H
Y
P
E
R

B
A
N
D

300 - 306
85
588 - 594
124
792 - 798
38
306 - 312

590 - 596

794 - 800
39
312 - 318
86
594 - 600
125
798 - 804
40
318 - 324

596 - 602

800 - 806
41
324 - 330
87
600 - 606
126
804 - 810
42
330 - 336

602 - 608
127
810 - 816
43
336 - 342
88
606 - 612
128
816 - 822
44
342 - 348

608 - 614
129
822 - 828
45
348 - 354
89
612 - 618
130
828 - 834
46
354 - 360

614 - 620
131
834 - 840
47
360 - 366
90
618 - 624
132
840 - 846
48
366 - 372

620 - 626
133
846 - 852
49
372 - 378
91
624 - 630
134
852 - 858
50
378 - 384

626 - 632
135
858 - 864
51
384 - 390
92
630 - 636
136
864 -870
52
390 - 396

632 - 638
137
870 - 876
53
396 - 402
93
636 - 642
138
876 - 882
54
402 -408

638 - 644
139
882 - 888
55
408 - 414
94
642 - 648
140
888 - 894
56
414 - 420

644 - 650
141
894 -900
57
420 - 426
100
648 - 654
142
900 - 906
58
426 - 432

650 - 656
143
906 - 912
59
432 - 438
101
654 - 660
144
912 - 919
60
438 - 444

656 - 662
145
919 - 924
61
444 - 450
102
660 - 666
146
924 - 930
62
450 - 456

662 - 668
147
930 - 936
63
456 - 462
103
666 - 672
148
936 - 942
64
462 - 468

668 - 674
149
942 - 948



Note : Now almost all the cable networks are digital and obviously the digital cable network uses entirely deferent technique to reach the subscribers

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