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Locating inside sources

Locating the Residence

"Stillwater
Electric's
Ghost
Buster Training"

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What's that noise?

RFI Services Logo RFI Services

P.O. Box 411 , Tracy's Landing, MD 20779
Phone   240-508-3760   Email us here to add your frequency suggestion.


Radio Frequency chart is being provided to help you determine
a possible service or source of your interference.

All Frequencies in the United States are
Coordinated and Allocated by the FCC

All TV Channel / Frequencies are subject to changes after
April 2017

If there's a frequency you'd like to see posted here let us know by clicking on email link above.

Today's over the air television broadcasts what is known as " Virtual channel numbers "
which means it may not be the true transmission frequency of the station you are watching.

Last Revised 3-21-2017
TV Channel
Allocation
Service
Related
To
Channel / Frequency
Bandedges In Megahertz
Sound
Picture
-
AM Broadcast Radio
.53 - 1.7
-
-
-
Amateur Radio
1.8 - 2.0 / 160 Meters
-
-
-
Multi- Services
2.0 - 3.5
-
-
-
Amateur Radio
3.5 - 4.0 / 80 Meters
-
-
-
Amateur Radio / 5 Channels
5.3305
5.3465
5.357
5.3715
5.4035
60 Meters
-
-
T-7
Cable TV
5.75 - 11.75
-
-
-
Amateur Radio
7.0 - 7.3 / 40 Meters
-
-
T-8
Cable TV
11.75 - 17.75
-
-
-
Amateur Radio
10.1 - 10.15 / 30 Meters
-
-
-
Amateur Radio
14.0 - 14.3 / 20 Meters
-
-
T-9
Cable TV
17.75 - 23.75
-
-
-
Amateur Radio
18.1 - 18.168 / 17 Meters
-
-
-
Amateur Radio
21.0 - 21.45 / 15 Meters
-
-
-
Amateur Radio
24.88 - 24.98 / 12 Meters
-
-
-
Citizens Band (CB)
26.965 - 27.405
-
-
-
Amateur Radio
28.0 - 29.7 / 10 Meters
-
-
T-10
Cable TV
23.75 - 29.75
-
-
-
Business Band - Multi-services
30 - 50
-
-
T-11
Cable TV
29.75 - 35.75
-
-
T-12
Cable TV
35.75 - 41.75
-
-
T-13
Cable TV
41.75 - 47.75
-
-
-
Amateur Radio
50 - 54 / 6 Meters
-
-
2
Cable / Over The Air TV
54 - 60
-
-
3
Cable / Over The Air TV
60 - 66
-
-
4
Cable / Over The Air TV
66 - 72
-
-
5
Cable / Over The Air TV
76 - 82
-
-
6
Cable / Over The Air TV
82 - 88
-
-
-
Over The Air FM Broadcast Radio
88 - 108
-
-
95
Cable TV
90 - 96
-
-
96
Cable TV
96 - 102
-
-
97
Cable TV
102 - 108
-
-
98
Cable TV
108 - 114
-
-
-
Aircraft Communications
108 - 136
-
-
99
Cable TV
114 - 120
-
-
14
Cable TV
120 -126
-
-
15
Cable TV
126 -132
-
-
16
Cable TV
132 -138
-
-
17
Cable TV
138 -144
-
-
-
Cable TV
139.250
Always on used to balance cable system.
-
-
-
Amateur Radio
144 - 148 / 2 Meters
-
-
18
Cable TV
144 - 150
-
-
-
Multi-services
150 -174
-
-
19
Cable TV
150 - 156
-
-
-
Business Band - Multi-services
150 - 174
-
-
20
Cable TV
156 - 162
-
-
21
Cable TV
162 - 168
-
-
-
Lojack
172.25
173.05
-
-
22
Cable TV
168 - 174
-
-
7
Cable / Over The Air TV
174 - 180
-
-
8
Cable / Over The Air TV
180 - 186
-
-
9
Cable / Over The Air TV
186 -192
-
-
10
Cable / Over The Air TV
192 - 198
-
-
11
Cable / Over The Air TV
198 - 204
-
-
12
Cable / Over The Air TV
204 - 210
-
-
13
Cable / Over The Air TV
210 - 216
-
-
23
Cable TV
216 - 222
-
-
18
Amateur Radio
222 - 225 / 1 1/4 Meters
-
-
24
Cable TV
222 - 228
-
-
25
Cable TV
228 - 234
-
-
26
Cable TV
234 - 240
-
-
27
Cable TV
240 -246
-
-
28
Cable TV
246 -252
-
-
29
Cable TV
252 - 258
-
-
30
Cable TV
258 - 264
-
-
31
Cable TV
264 -270
-
-
32
Cable TV
270 - 276
-
-
33
Cable TV
276 - 282
-
-
34
Cable TV
282 - 288
-
-
35
Cable TV
288 - 294
-
-
36
Cable TV
294 - 300
-
-
37
Cable TV
300 -306
-
-
38
Cable TV
306 - 312
-
-
39
Cable TV
312 - 318
-
-
40
Cable TV
318 - 324
-
-
41
Cable TV
324 - 330
-
-
42
Cable TV
330 - 336
-
-
43
Cable TV
336 - 342
-
-
44
Cable TV
342 - 348
-
-
45
Cable TV
348 - 354
-
-
46
Cable TV
354 - 360
-
-
47
Cable TV
360 - 366
-
-
48
Cable TV
366 - 372
-
-
49
Cable TV
372 - 378
-
-
50
Cable TV
378 - 384
-
-
51
Cable TV
384 - 390
-
-
52
Cable TV
390 - 396
-
-
53
Cable TV
396 -402
-
-
54
Cable TV
402 - 408
-
-
55
Cable TV
408 - 414
-
-
56
Cable TV
414 - 420
-
-
-
Amateur Radio
420 - 450 / 70 CM
-
-
57
Cable TV
420 - 426
-
-
58
Cable TV
Amateur Radio
Amateur Radio
426 - 432
426.25 Fast Scan TV
427.25 Fast Scan TV National
-
-
59
Cable TV
Amateur Radio
432 - 438
434.0 Fast Scan TV National
-
-
60
Cable TV


Amateur Radio
438 - 444 / 439.25 Always On Used To Balance Cable System
439.25 Fast Scan TV National
-
-
61
Cable TV
444 - 450
-
-
-
Business Band - Multi-Services
450 - 470
-
-
62
Cable TV
450 - 456
-
-
63
Cable TV
456 - 462
-
-
64
Cable TV
462 - 468
-
-
65
14
Cable TV
Over The Air TV
468 - 474
470 - 476
-
-
66
15
Cable TV
Over The Air TV
474 - 480
476 - 482
-
-
67
16
Cable TV
Over The Air TV
480 - 486
482 - 488
-
-
68
17
Cable TV
Over The Air TV
486 - 492
488 - 494
-
-
69
18
Cable TV
Over The Air TV
492 - 498
494 - 500
-
-
70
19
Cable TV
Over The Air TV
498 - 504
500 - 506
-
-
71
20
Cable TV
Over The Air TV
504 -510
506 - 512
-
-
72
21
Cable TV
Over The Air TV
510 - 516
512 - 518
-
-
73
22
Cable TV
Over The Air TV
516 - 522
518 - 524
-
-
74
23
Cable TV
Over The Air TV
4522 - 528
524 - 530
-
-
75
24
Cable TV
Over The Air TV
528 - 534
530 - 536
-
-
76
25
Cable TV
Over The Air TV
534 - 540
536 - 542
-
-
77
26
Cable TV
Over The Air TV
540 - 546
542 - 548
-
-
78
27
Cable TV
Over The Air TV
546 - 552
548 - 554
-
-
79
28
Cable TV
Over The Air TV
552 - 558
554 - 550
-
-
80
29
Cable TV
Over The Air TV
558 - 564
550 - 556
-
-
81
30
Cable TV
Over The Air TV
564 - 570
556 - 562
-
-
82
31
Cable TV
Over The Air TV
570 - 576
562 - 568
-
-
83
32
Cable TV<
Over The Air TV
576 - 582
568 - 574
-
-
84
33
Cable TV
Over The Air TV
582 - 588
574 - 580
-
-
85
34
Cable TV
Over The Air TV
588 - 594
580 - 586
-
-
86
35
Cable TV
Over The Air TV
594 - 600
586 - 592
-
-
87
36
Cable TV
Over The Air TV
600 - 606
592 - 598
-
-
88
37
Cable TV
Over The Air TV
606 - 612
598 - 604
-
-
89
38
Cable TV
Over The Air TV
612 - 618
604 - 610
-
-
90
39
Cable TV
Over The Air TV
618 - 624
610 -616
-
-
91
40
Cable TV
Over The Air TV
624 - 630
616 - 622
-
-
92
41
Cable TV
Over The Air TV
630 - 636
622 - 628
-
-
93
42
Cable TV
Over The Air TV
636 - 642
628 - 634
-
-
94
43
Cable TV
Over The Air TV
642 - 648
634 - 640
-
-
100
44
Cable TV
Over The Air TV
648 - 654
640 - 646
-
-
101
45
Cable TV
Over The Air TV
654 - 660
646 - 652
-
-
102
46
Cable TV
Over The Air TV
660 - 666
652 - 658
-
-
103
47
Cable TV
Over The Air TV
666 - 672
658 - 664
-
-
194
48
Cable TV
Over The Air TV
672 - 678
664 - 670
-
-
105
49
Cable TV
Over The Air TV
678 - 684
670 - 676
-
-
106
50
Cable TV
Over The Air
684 - 690
676 - 682
-
-
107
51
Cable TV
Over The Air TV
690 - 696
682 - 688
-
-
108
52
Cable TV
Over The Air TV
696 - 702
688 - 694
-
-
109
53
Cable TV
Over The Air TV
702 - 708
694 - 700
-
-
110
54
Cable TV
Over The Air TV
708 - 714
700 - 706
-
-
111
55
Cable TV
Over The Air TV
714 - 720
706 - 712
-
-
112
56
Cable TV
Over The Air TV
720 - 726
712 - 718
-
-
113
57
Cable TV
Over The Air TV
726 - 732
718 - 724
-
-
114
58
Cable TV
Over The Air TV
732 - 738
724 - 730
-
-
115
59
Cable TV
Over The Air TV
738 - 744
730 - 736
-
-
116
60
Cable TV
Over The Air TV
744 - 750
736 - 742
-
-
117
61
Cable TV
Over The Air TV
750 - 756
742 - 748
-
-
118
62
Cable TV
Over The Air TV
756 - 762
748 - 754
-
-
119
63
Cable TV
Over The Air TV
762 - 768
754 - 760
-
-
120
64
Cable TV
Over The Air TV
768 - 774
760 - 767
-
-
121
65
Cable TV
Over The Air TV
774 - 780
767 - 782
-
-
122
66
Cable TV
Over The Air TV
780 - 786
782 - 788
-
-
123
67
Cable TV
Over The Air TV
786 - 792
788 - 794
-
-
124
68
Cable TV
Over The Air TV
792 - 798
794 - 800
-
-
124
69
Cable TV
Over The Air TV
792 - 798
800 - 806
-
-
-
Business Band - Multi-services
800 - 902
-
-
125
Cable TV
798 - 804
-
-
126
Cable TV
804 - 810
-
-
127
Cable TV
810 - 816
-
-
128
Cable TV
816 - 822
-
-
129
Cable TV
822 - 828
-
-
130
Cable TV
828 - 834
-
-
131
Cable TV
834 - 840
-
-
132
Cable TV
840 - 846
-
-
133
Cable TV
846 - 52
-
-
134
Cable TV
852 - 858
-
-
135
Cable TV
858 - 864
-
-
136
Cable TV
864 - 870
-
-
137
Cable TV
870 - 876
-
-
138
Cable TV
876 - 882
-
-
139
Cable TV
882 - 888
-
-
140
Cable TV
888 - 894
-
-
141
Cable TV
894 - 900
-
-
142
Cable TV
900 - 906
-
-
-
Amateur Radio
902 - 927 / 33 CM
-
-
143
Cable TV
906 - 912
-
-
144
Cable TV
912 - 918
-
-
145
Cable TV
918 - 924
-
-
146
Cable TV
924 - 930
-
-
147
Cable TV
930 - 936
-
-
148
Cable TV
936 - 942
-
-
149
Cable TV
942 - 948
-
-
150
Cable TV
948 - 954
-
-
151
Cable TV
954 - 960
-
-
152
Cable TV
960 - 966
-
-
153
Cable TV
968 - 972
-
-
154
Cable TV
972 - 978
-
-
155
Cable TV
978 - 984
-
-
156
Cable TV
984 - 990
-
-
157
Cable TV
990 - 996
-
-
158
Cable TV
996 - 1002
-
-