Note: This information copied with permission. Thanks to Kevin K. Custer W3KKC, Masters Communications, Inc.
Newsgroups: sci.electronics
From: andy@cbrown.claremont.edu
Subject: Re: CATV channel frequencies USA
Here is a list of TV frequencies. In the US, a TV channel is a 6 MHz wide chunk of bandspace. The bottom edge of the over-the-air channel 2 is 54 MHz and the upper edge is 60 MHz. Within this 6 MHz space is a video carrier, a color carrier, and an audio carrier.
The frequency of the video carrier is 1.25 MHz above the lower edge, so for channel 2 the video is at 55.25 MHz.
The color carrier is approx. 3.58 MHz above the _video_ carrier (N.B. not the lower edge), so for ch 2 it is 58.83 MHz.
The audio carrier is 4.5 MHz above the _video_ carrier, so for ch 2 it is 59.75 MHz.
The reason I mention all of this is that you have to be careful to note how a channel frequency is being specified. The two common methods are (1) specifying the lower edge (e.g. 54 MHz, but often as a range of lower edge to upper edge like 54-60 MHz) and (2) specifying the frequency of the video carrier (e.g. 55.25 MHz). In the following lists I always use the latter method, specifying the video carrier.
CATV has channels with frequencies below channel 2. They are designated T-7 (tee seven or tee dash seven) through T-14 and are usually used for transmission in the reverse direction. If your local city council meeting is broadcast live, the camera is being modulated onto one of those T channels and sent back up to the cable system headend whereupon it is broadcast outbound on the community cable access channel.
In the list I have some channels with the designation A-1 (A minus one, not A dash one) through A-8. They are so designated because their frequencies immediately precede that of the CATV channel known as A.
In the CATV listing, the column labeled Common gives the common industry parlance for that channel. The next column labeled EIA gives the new EIA standardized designation. Column STD shows the standard CATV frequency which usually matches IRC. IRC stands for Incrementally Related Carrier and means that the _lower_edge_ of the channel space is on the nice, round-numbered boundary such as 54 MHz, 60 MHz, 66 MHz etc. HRC stands for Harmonically Related Carrier, and as you can see means that it is the _video_carrier_ that is assigned the nice round number (6 MHz harmonics, hence). Some cable systems use IRC, some use HRC.
The number of channels on a given cable system varies. Very old systems might only go up to 300 or 350 MHz. Most common in the past ten years or so is 450 MHz. Newer systems may be 550 MHz. The latest and greatest with any meaningful installed base is 800 or 860 MHz (somebody correct me), but it is rare and pricey. The list herein only goes up to 550 MHz.
FM radio frequencies are thrown in for good measure.
This stuff was gathered from several sources. My thanks to all of them.
Error reports are welcome.
|
AIR |
2 |
55.25 |
VHF-LO |
|
|
AIR |
3 |
61.25 |
VHF-LO |
|
|
AIR |
4 |
67.25 |
VHF-LO |
|
|
AIR |
5 |
77.25 |
VHF-LO |
|
|
AIR |
6 |
83.25 |
VHF-LO |
|
|
AIR |
7 |
175.25 |
VHF-HI |
|
|
AIR |
8 |
181.25 |
VHF-HI |
|
|
AIR |
9 |
187.25 |
VHF-HI |
|
|
AIR |
10 |
193.25 |
VHF-HI |
|
|
AIR |
11 |
199.25 |
VHF-HI |
|
|
AIR |
12 |
205.25 |
VHF-HI |
|
|
AIR |
13 |
211.25 |
VHF-HI |
|
|
AIR |
14 |
471.25 |
UHF |
|
|
AIR |
15 |
477.25 |
UHF |
|
|
AIR |
16 |
483.25 |
UHF |
|
|
AIR |
17 |
489.25 |
UHF |
|
|
AIR |
18 |
495.25 |
UHF |
|
|
AIR |
19 |
501.25 |
UHF |
|
|
AIR |
20 |
507.25 |
UHF |
|
|
AIR |
21 |
513.25 |
UHF |
|
|
AIR |
22 |
519.25 |
UHF |
|
|
AIR |
23 |
525.25 |
UHF |
|
|
AIR |
24 |
531.25 |
UHF |
|
|
AIR |
25 |
537.25 |
UHF |
|
|
AIR |
26 |
543.25 |
UHF |
|
|
AIR |
27 |
549.25 |
UHF |
|
|
AIR |
28 |
555.25 |
UHF |
|
|
AIR |
29 |
561.25 |
UHF |
|
|
AIR |
30 |
567.25 |
UHF |
|
|
AIR |
31 |
573.25 |
UHF |
|
|
AIR |
32 |
579.25 |
UHF |
|
|
AIR |
33 |
585.25 |
UHF |
|
|
AIR |
34 |
591.25 |
UHF |
|
|
AIR |
35 |
597.25 |
UHF |
|
|
AIR |
36 |
603.25 |
UHF |
|
|
AIR |
37 |
609.25 |
UHF |
|
|
AIR |
38 |
615.25 |
UHF |
|
|
AIR |
39 |
621.25 |
UHF |
|
|
AIR |
40 |
627.25 |
UHF |
|
|
AIR |
41 |
633.25 |
UHF |
|
|
AIR |
42 |
639.25 |
UHF |
|
|
AIR |
43 |
645.25 |
UHF |
|
|
AIR |
44 |
651.25 |
UHF |
|
|
AIR |
45 |
657.25 |
UHF |
|
|
AIR |
46 |
663.25 |
UHF |
|
|
AIR |
47 |
669.25 |
UHF |
|
|
AIR |
48 |
675.25 |
UHF |
|
|
AIR |
49 |
681.25 |
UHF |
|
|
AIR |
50 |
687.25 |
UHF |
|
|
AIR |
51 |
693.25 |
UHF |
|
|
AIR |
52 |
699.25 |
UHF |
|
|
AIR |
53 |
705.25 |
UHF |
|
|
AIR |
54 |
711.25 |
UHF |
|
|
AIR |
55 |
717.25 |
UHF |
|
|
AIR |
56 |
723.25 |
UHF |
|
|
AIR |
57 |
729.25 |
UHF |
|
|
AIR |
58 |
735.25 |
UHF |
|
|
AIR |
59 |
741.25 |
UHF |
|
|
AIR |
60 |
747.25 |
UHF |
|
|
AIR |
61 |
753.25 |
UHF |
|
|
AIR |
62 |
759.25 |
UHF |
|
|
AIR |
63 |
765.25 |
UHF |
|
|
AIR |
64 |
771.25 |
UHF |
|
|
AIR |
65 |
777.25 |
UHF |
|
|
AIR |
66 |
783.25 |
UHF |
|
|
AIR |
67 |
789.25 |
UHF |
|
|
AIR |
68 |
795.25 |
UHF |
|
|
AIR |
69 |
801.25 |
UHF |
|
|
AIR |
70 |
807.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
71 |
813.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
72 |
819.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
73 |
825.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
74 |
831.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
75 |
837.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
76 |
843.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
77 |
849.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
78 |
855.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
79 |
861.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
80 |
867.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
81 |
873.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
82 |
879.25 |
UHF |
(no longer assigned to TV) |
|
AIR |
83 |
885.25 |
UHF |
(no longer assigned to TV) |
|
Common |
EIA |
STD |
IRC |
HRC |
Band |
||||
|
CATV T-7 |
7.00 |
SUB |
|||||||
|
CATV T-8 |
13.00 |
SUB |
|||||||
|
CATV T-9 |
19.00 |
SUB |
|||||||
|
CATV T-10 |
25.00 |
SUB |
|||||||
|
CATV T-11 |
31.00 |
SUB |
|||||||
|
CATV T-12 |
37.00 |
SUB |
|||||||
|
CATV T-13 |
43.00 |
SUB |
|||||||
|
CATV T-14 |
49.00 |
SUB |
|||||||
|
CATV 2-1 |
49.25 |
48.00 |
LO |
||||||
|
CATV 2 |
02 |
55.25 |
55.25 |
54.00 |
LO |
||||
|
CATV 3 |
03 |
61.25 |
61.25 |
60.00 |
LO |
||||
|
CATV 4 |
04 |
67.25 |
67.25 |
66.00 |
LO |
||||
|
CATV A-8 4+ |
01 |
73.25 |
72.00 |
LO |
|||||
|
CATV A-7 5 |
05 |
79.25 |
78.00 |
LO |
|||||
|
CATV A-6 6 |
06 |
85.25 |
84.00 |
LO |
|||||
|
CATV A-5 |
95 |
91.25 |
90.00 |
91.25 |
MID |
||||
|
CATV A-4 |
96 |
97.25 |
96.00 |
97.25 |
MID |
||||
|
CATV A-3 |
97 |
103.25 |
102.00 |
103.25 |
MID |
||||
|
CATV A-2 |
98 |
109.25 |
108.00 |
109.25 |
MID |
||||
|
CATV A-1 |
99 |
115.25 |
114.00 |
115.25 |
MID |
||||
|
CATV 7 |
07 |
175.25 |
175.25 |
174.00 |
HI |
||||
|
CATV 8 |
08 |
181.25 |
181.25 |
180.00 |
HI |
||||
|
CATV 9 |
09 |
187.25 |
187.25 |
186.00 |
HI |
||||
|
CATV 10 |
10 |
193.25 |
193.25 |
192.00 |
HI |
||||
|
CATV 11 |
11 |
199.25 |
199.25 |
198.00 |
HI |
||||
|
CATV 12 |
12 |
205.25 |
205.25 |
204.00 |
HI |
||||
|
CATV 13 |
13 |
211.25 |
211.25 |
210.00 |
HI |
||||
|
CATV A |
14 |
121.25 |
121.25 |
120.00 |
MID |
||||
|
CATV B |
15 |
127.25 |
127.25 |
126.00 |
MID |
||||
|
CATV C |
16 |
133.25 |
133.25 |
132.00 |
MID |
||||
|
CATV D |
17 |
139.25 |
139.25 |
138.00 |
MID |
||||
|
CATV E |
18 |
145.25 |
145.25 |
144.00 |
MID |
||||
|
CATV F |
19 |
151.25 |
151.25 |
150.00 |
MID |
||||
|
CATV G |
20 |
157.25 |
157.25 |
156.00 |
MID |
||||
|
CATV H |
21 |
163.25 |
163.25 |
162.00 |
MID |
||||
|
CATV I |
22 |
169.25 |
169.25 |
168.00 |
MID |
||||
|
CATV J |
23 |
217.25 |
217.25 |
216.00 |
SUPER |
||||
|
CATV K |
24 |
223.25 |
223.25 |
222.00 |
SUPER |
||||
|
CATV L |
25 |
229.25 |
229.25 |
228.00 |
SUPER |
||||
|
CATV M |
26 |
235.25 |
235.25 |
234.00 |
SUPER |
||||
|
CATV N |
27 |
241.25 |
241.25 |
240.00 |
SUPER |
||||
|
CATV O |
28 |
247.25 |
247.25 |
246.00 |
SUPER |
||||
|
CATV P |
29 |
253.25 |
253.25 |
252.00 |
SUPER |
||||
|
CATV Q |
30 |
259.25 |
259.25 |
258.00 |
SUPER |
||||
|
CATV R |
31 |
265.25 |
265.25 |
264.00 |
SUPER |
||||
|
CATV S |
32 |
271.25 |
271.25 |
270.00 |
SUPER |
||||
|
CATV T |
33 |
277.25 |
277.25 |
276.00 |
SUPER |
||||
|
CATV U |
34 |
283.25 |
283.25 |
282.00 |
SUPER |
||||
|
CATV V |
35 |
289.25 |
289.25 |
288.00 |
SUPER |
||||
|
CATV W |
36 |
295.25 |
295.25 |
294.00 |
SUPER |
||||
|
CATV AA |
37 |
301.25 |
301.25 |
300.00 |
HYPER |
||||
|
CATV BB |
38 |
307.25 |
307.25 |
306.00 |
HYPER |
||||
|
CATV cc |
39 |
313.25 |
313.25 |
312.00 |
HYPER |
||||
|
CATV DD |
40 |
319.25 |
319.25 |
318.00 |
HYPER |
||||
|
CATV EE |
41 |
325.25 |
325.25 |
324.00 |
HYPER |
||||
|
CATV FF |
42 |
331.25 |
331.25 |
330.00 |
HYPER |
||||
|
CATV GG |
43 |
337.25 |
337.25 |
336.00 |
HYPER |
||||
|
CATV HH |
44 |
343.25 |
343.25 |
342.00 |
HYPER |
||||
|
CATV II |
45 |
349.25 |
349.25 |
348.00 |
HYPER |
||||
|
CATV JJ |
46 |
355.25 |
355.25 |
354.00 |
HYPER |
||||
|
CATV KK |
47 |
361.25 |
361.25 |
360.00 |
HYPER |
||||
|
CATV LL |
48 |
367.25 |
367.25 |
366.00 |
HYPER |
||||
|
CATV MM |
49 |
373.25 |
373.25 |
372.00 |
HYPER |
||||
|
CATV NN |
50 |
379.25 |
379.25 |
378.00 |
HYPER |
||||
|
CATV OO |
51 |
385.25 |
385.25 |
384.00 |
HYPER |
||||
|
CATV pp |
52 |
391.25 |
391.25 |
390.00 |
HYPER |
||||
|
CATV QQ |
53 |
397.25 |
397.25 |
396.00 |
HYPER |
||||
|
CATV RR |
54 |
403.25 |
403.25 |
402.00 |
HYPER |
||||
|
CATV SS |
55 |
409.25 |
409.25 |
408.00 |
HYPER |
||||
|
CATV TT |
56 |
415.25 |
415.25 |
414.00 |
HYPER |
||||
|
CATV UU |
57 |
421.25 |
421.25 |
420.00 |
HYPER |
||||
|
CATV VV |
58 |
427.25 |
427.25 |
426.00 |
HYPER |
||||
|
CATV WW |
59 |
433.25 |
433.25 |
432.00 |
HYPER |
||||
|
CATV xx |
60 |
439.25 |
439.25 |
438.00 |
HYPER |
||||
|
CATV YY |
61 |
445.25 |
445.25 |
444.00 |
HYPER |
||||
|
CATV ZZ |
62 |
451.25 |
451.25 |
450.00 |
HYPER |
||||
|
CATV AAA |
63 |
457.25 |
457.25 |
456.00 |
HYPER |
||||
|
CATV BBB |
64 |
463.25 |
463.25 |
462.00 |
HYPER |
||||
|
CATV CCC |
65 |
469.25 |
469.25 |
468.00 |
HYPER |
||||
|
CATV DDD |
66 |
475.25 |
475.25 |
474.00 |
HYPER |
||||
|
CATV EEE |
67 |
481.25 |
481.25 |
480.00 |
HYPER |
||||
|
CATV FFF |
68 |
487.25 |
487.25 |
486.00 |
HYPER |
||||
|
CATV GGG |
69 |
493.25 |
493.25 |
492.00 |
HYPER |
||||
|
CATV HHH |
70 |
499.25 |
499.25 |
498.00 |
HYPER |
||||
|
CATV III |
71 |
505.25 |
505.25 |
504.00 |
HYPER |
||||
|
CATV JJJ |
72 |
511.25 |
511.25 |
510.00 |
HYPER |
||||
|
CATV KKK |
73 |
517.25 |
517.25 |
516.00 |
HYPER |
||||
|
CATV LLL |
74 |
523.25 |
523.25 |
522.00 |
HYPER |
||||
|
CATV MMM |
75 |
529.25 |
529.25 |
528.00 |
HYPER |
||||
|
CATV NNN |
76 |
535.25 |
535.25 |
534.00 |
HYPER |
||||
|
CATV OOO |
77 |
541.25 |
541.25 |
540.00 |
HYPER |
||||
|
CATV PPP |
78 |
547.25 |
547.25 |
546.00 |
HYPER |
||||
|
FM |
200 |
87.90 |
Assigned only in rare cases. |
|
FM |
201 |
88.10 |
|
|
FM |
202 |
88.30 |
|
|
FM |
203 |
88.50 |
|
|
FM |
204 |
88.70 |
|
|
FM |
205 |
88.90 |
|
|
FM |
206 |
89.10 |
|
|
FM |
207 |
89.30 |
|
|
FM |
208 |
89.50 |
|
|
FM |
209 |
89.70 |
|
|
FM |
210 |
89.90 |
|
|
FM |
211 |
90.10 |
|
|
FM |
212 |
90.30 |
|
|
FM |
213 |
90.50 |
|
|
FM |
214 |
90.70 |
|
|
FM |
215 |
90.90 |
|
|
FM |
216 |
91.10 |
|
|
FM |
217 |
91.30 |
|
|
FM |
218 |
91.50 |
|
|
FM |
219 |
91.70 |
|
|
FM |
220 |
91.90 |
|
|
FM |
221 |
92.10 |
|
|
FM |
222 |
92.30 |
|
|
FM |
223 |
92.50 |
|
|
FM |
224 |
92.70 |
|
|
FM |
225 |
92.90 |
|
|
FM |
226 |
93.10 |
|
|
FM |
227 |
93.30 |
|
|
FM |
228 |
93.50 |
|
|
FM |
229 |
93.70 |
|
|
FM |
230 |
93.90 |
|
|
FM |
231 |
94.10 |
|
|
FM |
232 |
94.30 |
|
|
FM |
233 |
94.50 |
|
|
FM |
234 |
94.70 |
|
|
FM |
235 |
94.90 |
|
|
FM |
236 |
95.10 |
|
|
FM |
237 |
95.30 |
|
|
FM |
238 |
95.50 |
|
|
FM |
239 |
95.70 |
|
|
FM |
240 |
95.90 |
|
|
FM |
241 |
96.10 |
|
|
FM |
242 |
96.30 |
|
|
FM |
243 |
96.50 |
|
|
FM |
244 |
96.70 |
|
|
FM |
245 |
96.90 |
|
|
FM |
246 |
97.10 |
|
|
FM |
247 |
97.30 |
|
|
FM |
248 |
97.50 |
|
|
FM |
249 |
97.70 |
|
|
FM |
250 |
97.90 |
|
|
FM |
251 |
98.10 |
|
|
FM |
252 |
98.30 |
|
|
FM |
253 |
98.50 |
|
|
FM |
254 |
98.70 |
|
|
FM |
255 |
98.90 |
|
|
FM |
256 |
99.10 |
|
|
FM |
257 |
99.30 |
|
|
FM |
258 |
99.50 |
|
|
FM |
259 |
99.70 |
|
|
FM |
260 |
99.90 |
|
|
FM |
261 |
100.10 |
|
|
FM |
262 |
100.30 |
|
|
FM |
263 |
100.50 |
|
|
FM |
264 |
100.70 |
|
|
FM |
265 |
100.90 |
|
|
FM |
266 |
101.10 |
|
|
FM |
267 |
101.30 |
|
|
FM |
268 |
101.50 |
|
|
FM |
269 |
101.70 |
|
|
FM |
270 |
101.90 |
|
|
FM |
271 |
102.10 |
|
|
FM |
272 |
102.30 |
|
|
FM |
273 |
102.50 |
|
|
FM |
274 |
102.70 |
|
|
FM |
275 |
102.90 |
|
|
FM |
276 |
103.10 |
|
|
FM |
277 |
103.30 |
|
|
FM |
278 |
103.50 |
|
|
FM |
279 |
103.70 |
|
|
FM |
280 |
103.90 |
|
|
FM |
281 |
104.10 |
|
|
FM |
282 |
104.30 |
|
|
FM |
283 |
104.50 |
|
|
FM |
284 |
104.70 |
|
|
FM |
285 |
104.90 |
|
|
FM |
286 |
105.10 |
|
|
FM |
287 |
105.30 |
|
|
FM |
288 |
105.50 |
|
|
FM |
289 |
105.70 |
|
|
FM |
290 |
105.90 |
|
|
FM |
291 |
106.10 |
|
|
FM |
292 |
106.30 |
|
|
FM |
293 |
106.50 |
|
|
FM |
294 |
106.70 |
|
|
FM |
295 |
106.90 |
|
|
FM |
296 |
107.10 |
|
|
FM |
297 |
107.30 |
|
|
FM |
298 |
107.50 |
|
|
FM |
298 |
107.70 |
|
|
FM |
300 |
107.90 |
|
Andy Davenport
Harvey Mudd College