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FREQUENCY ALLOCATIONS & F.A.F.

FREQUENCY ALLOCATIONS

FCC Frequency Allocations --------- A summary of the FCC Table of Frequency Allocations, based on the Code of Federal Regulations - 47 CFR 2.106, with additional information from the NTIA channel plan, et.al. 30 - 50 MHz: FM @ 20 kHz steps 30.000 - 30.560 US Government 30.560 - 31.980 Business / Industry / Forestry 31.990 - 32.000 Public Safety 32.000 - 33.000 US Government 33.000 - 33.100 Public Safety 33.120 - 33.400 Business / Petroleum 33.420 - 34.000 Fire 34.000 - 35.000 US Government 35.020 - 36.000 Business / Paging 36.000 - 37.000 US Government 37.020 - 37.420 Police / Local Govt 37.460 - 37.860 Power, Water, Pipeline 37.900 - 38.000 Highway Maint / Special Emergency 38.000 - 39.000 US Government 39.020 - 40.000 Police / Local Govt 40.000 - 42.000 US Government 42.020 - 42.940 State Police 42.960 - 43.680 Business / Paging 43.700 - 44.600 Transportation - bus, truck / Cordless base 44.620 - 45.060 State Police / Forestry Conservation 45.080 - 45.860 Police / Local Govt / Highway Maint 45.900 - 46.040 Police / Emergency 46.060 - 46.500 Fire 46.520 - 46.580 Local Govt 46.610 - 46.970 Cordless Phones - base (20/40 kHz steps) 47.020 - 47.400 Highway Maint 47.440 - 47.680 Industry / Emergency 47.700 - 49.580 Industry / Cordless handset 49.670 - 49.990 Cordless Phones - handset (irregular steps) 50 - 150 MHz 50.000 - 54.000 Amateur (6-meter) 54.000 - 72.000 Broadcast TV chs 2-4 (6 MHz steps - FMw) 72.000 - 76.000 (various) [ 75.000] Aero - ILS marker beacon 76.000 - 88.000 Broadcast TV chs 5-6 (6 MHz steps - FMw) 88.100 - 107.900 FM Broadcast (200 kHz steps - FMw) 108.000 - 117.950 Aero - VOR and ILS localizer (50 kHz steps) 118.000 - 136.975 Aero - communications (25 kHz steps - AM) [121.500] Aero - emergency (international) 137.000 - 138.000 Satellite 138.000 - 144.000 US Government - land mobile (25 kHz steps) 144.000 - 148.000 Amateur (2-meter) 148.000 - 149.900 US Government - fixed/mobile, satellite 149.900 - 150.050 Satellite - radionavigation 150.050 - 150.800 US Government - fixed/mobile 150 - 162 MHz: FM @ 15 kHz steps 150.815 - 150.965 Auto Emergency 150.995 - 151.595 Highway / Forestry / Industry 151.625 - 151.955 Business (30 kHz steps) 152.030 - 152.240 Mobile phone (Base) / Page (30 kHz steps) 152.270 - 152.450 Taxi (Base) 152.510 - 152.840 Mobile phone (Base) / Page (30 kHz steps) 152.870 - 153.725 Industry 153.740 - 154.445 Fire / Govt (mobile) 154.452 - 154.482 Industry (telemetry) (7.5 kHz steps) 154.490 - 154.625 Industry 154.650 - 156.240 Police / Govt / Emrgncy / Hwy 156.025 - 157.425 Maritime (ship) (25 kHz steps) 157.470 - 157.515 Auto Emergency 157.530 - 157.710 Taxi (mobile) / Business 157.770 - 158.100 Mobile phone (mobile) / Page (30 kHz steps) 158.130 - 158.460 Industry 158.490 - 158.700 Mobile phone (mobile) / Page (30 kHz steps) 158.730 - 159.210 Police / Govt / Highway 159.225 - 159.465 Forestry Conservation 159.495 - 160.200 Transportation - bus, truck 160.215 - 161.610 Railroad 160.625 - 160.950 Maritime - Coast (25 kHz steps) 161.640 - 161.760 { Broadcast Pickups 161.500 - 162.025 { Maritime - Coast (25 kHz steps) 162 - 450 MHz 162.025 - 174.000 mainly US Govt - land mobile (12.5/25 kHz steps) [173.075] LoJack 174.000 - 216.000 Broadcast TV chs 7-13 ( 6 MHz steps - FMw) 216.000 - 218.000 Maritime - AMTS, coast (25 kHz steps) 218.000 - 219.000 IVDS - Interactive Video & Data 219.000 - 220.000 Maritime - AMTS, ship (25 kHz steps) 220.0025- 220.9975 General (trunked) - base ( 5 kHz steps) 221.0025- 221.9975 General (trunked) - mobile ( " " " ) 222.000 - 225.000 Amateur (1.25-meter) 225.000 - 328.600 US Government - Aero (50/100 kHz steps - AM) [243.000] Aero - military emergency 328.600 - 335.400 Aero - ILS glide path (50 kHz steps) 335.400 - 400.000 US Government - Aero (50/100 kHz steps - AM) 400.000 - 406.000 US Govt - Meteorological / Space [404.370] Wind Profiler radar [406.025] Emergency Locator Transmitter (ELT) 406.100 - 420.000 US Govt - land mobile (12.5/25 kHz steps) 420.000 - 450.000 { Amateur (70cm) / military long-range radar 422.200 - 430.000 { land mobile in Detroit, Cleveland, Buffalo 450 - 460 MHz: FM @ 25 kHz steps (450-455 base, 455-460 mobile) 12.5 kHz steps for 2 watt use (451-454 & 456-459) 450.050 - 450.925 Auxiliary Broadcasting 451.025 - 452.025 Industry 452.050 - 452.500 Taxi / Industry / Transport 452.525 - 452.600 Automobile Emergency 452.625 - 452.950 Transportation - Trucks / Railroad 452.975 - 453.000 Relay Press 453.025 - 453.975 Local Govt / Public Safety 454.025 - 454.650 Mobile Telephone 454.675 - 454.975 Mobile Telephone Air (ground) 455.050 - 455.925 Auxiliary Broadcasting 456.025 - 457.025 Industry 457.050 - 457.500 Taxi / Industry / Transport 457.525 - 457.600 {Maritime - shipboard repeater (mobiles +10.225) {Business - low power 457.625 - 457.950 Transportation - Trucks / Railroad 457.975 - 458.000 Relay Press 458.025 - 458.975 Public Safety / Local Govt 459.025 - 459.650 Mobile Telephone 459.675 - 459.975 Mobile Telephone Air (airborne) 460 - 470 MHz: FM @ 25 kHz steps (460-465 base, 465-470 mobile) 12.5 kHz steps for 2 watt use 460.025 - 460.550 Police / Public Safety 460.575 - 460.625 Fire 460.650 - 460.875 Business - Airport use 460.900 - 461.000 Business - Central Alarms 461.025 - 462.175 Business 462.200 - 462.525 Manufacturers / Industry 462.550 - 462.725 GMRS (12.5 kHz steps) 462.750 - 462.925 Business (paging) 462.950 - 463.175 MED (Ambulance/Hospital) 463.200 - 465.000 Business 465.025 - 465.550 Police / Public Safety 465.575 - 465.625 Fire 465.650 - 465.875 Business - Airport use 465.900 - 466.000 Business - Central Alarms 466.025 - 467.175 Business 467.200 - 467.525 Manufacturers / Industry 467.550 - 467.725 GMRS (25 kHz steps) 467.750 - 467.925 {Business (2w, telemetry) 467.750 - 467.825 {Maritime - shipboard (rptr -10.225) 467.950 - 468.175 MED (Ambulance/Hospital) 468.200 - 469.975 Business 470 - 806 MHz: 6 MHz per channel, wide FM audio 470.0625- 511.8875 { Broadcast TV, chs 14-20 { Large Metro Public Safety (25 kHz steps - FM) 512.000 - 806.000 Broadcast TV, Chs 21-69 806 - 896 MHz: FM @ 25 kHz steps (mobile 806-851, base 851-896) 806.0125- 809.7375 General - conventional 809.7625- 810.9875 General - single channels 811.0125- 815.9875 General - trunked 816.0125- 820.9875 SMR - trunked 821.0125- 823.9875 Public Safety - trunked (12.5 kHz steps) 824.040 - 834.360 Cellular Telephone (30 kHz steps) 834.390 - 835.620 Cellular Telephone (data) (30 kHz steps) 835.650 - 848.970 Cellular Telephone (30 kHz steps) 849.0055- 850.9735 Aircraft Telephone ( 6 kHz steps - AM) 851.0125- 854.7375 General - conventional 854.7625- 855.9875 General - single channels 856.0125- 860.9875 General - trunked 861.0125- 865.9875 SMR - trunked 866.0125- 868.9875 Public Safety - trunked (12.5 kHz steps) 869.040 - 879.360 Cellular Telephone (30 kHz steps) 879.390 - 880.620 Cellular Telephone (data) (30 kHz steps) 880.650 - 893.970 Cellular Telephone (30 kHz steps) 894.0055- 895.9735 Aircraft Telephone ( 6 kHz steps - AM) 896 - 1400 MHz: 896.000 - 901.000 SMR/Business/Industry - mobile (12.5 kHz steps) 901.000 - 902.000 Personal Communications Services 902.000 - 928.000 Amateur (33cm) / USGovt radar / various secondary [915.000] microwave ovens 928.000 - 929.000 Multiple Address Systems (Muzak, et al) 929.000 - 930.000 paging 930.000 - 931.000 Personal Communications Services - base 931.000 - 932.000 (paging) 932.000 - 935.000 US Govt - low-capacity fixed links (FAA) 935.000 - 940.000 SMR/Business/Industry - base (12.5 kHz steps) 940.000 - 941.000 Personal Communications Services - base 941.000 - 944.000 US Govt - low-capacity fixed links (FAA) 944.000 - 952.000 Broadcast Auxiliary - STL (studio-xmiter link) 952.000 - 960.000 Multiple Address Systems (Muzak, et al) 960.000 -1215.000 { Aero navigation - DME/TACAN (w/ assoc. VOR) { US Govt - Joint Tactical Info. Distrib. Sys. [1030.000] ATC Radar Beacon System (query) [1090.000] ATC Radar Beacon System (parrot) 1215.000 -1240.000 US Govt - GPS Radionavigation Satellite 1240.000 -1300.000 { Amateur (23cm) 1240.000 -1350.000 { Aero - Air Route Surveillance Radar 1350.000 -1400.000 US Govt - military tactical & air-ground data

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FREQUENTLY ASKED FREQUENCIES

F.A.F. - Frequently Asked Frequencies
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Cellular Telephone [22.902] Chs Freqs (base) System Use 991-1023 869.040 - 870.000 A - RCC voice 1-312 870.030 - 879.360 A - RCC voice 313-333 879.390 - 879.990 A - RCC data 334-354 880.020 - 880.620 B - Telco data 355-666 880.650 - 889.980 B - Telco voice 667-716 890.010 - 891.480 A - RCC voice 717-799 891.510 - 893.970 B - Telco voice Transmissions are FM (some systems are adding digital). Channels are 30 kHz apart. Mobiles transmit 45 MHz below the base (824.040-848.970) and are usually repeated by the base. Channels 991-1023 are also identified as Chs 800-832. ______________________________________________________
Cordless Telephone [15.233] Chan Base Handset 1 43.72 48.76 16 46.61 49.67 2 43.74 48.84 17 B 46.63 49.845 3 43.82 48.86 18 C 46.67 49.86 4 43.84 48.92 19 46.71 49.77 5 43.92 49.02 20 D 46.73 49.875 6 43.96 49.08 21 A 46.77 49.83 7 44.12 49.10 22 E 46.83 49.89 8 44.16 49.16 23 46.87 49.93 9 44.18 49.20 24 46.93 49.99 10 44.20 49.24 25 46.97 49.97 11 44.32 49.28 12 44.36 49.36 Chs A-E handset frequencies are also used for baby room monitors and low power handi-talkies. z13 44.40 49.40 are also used for baby room 14 44.46 49.46 monitors and low power 15 44.48 49.50 handie-talkies. The original 10 channels were renumbered 16-25 in June 95 when the new channels 1-15 were added. _______________________________________________ Mobile Telephone [22.501] VHF - 30 kHz spacing UHF - 25 kHz spacing Base: 152.030 - 152.210 RCC 454.025 - 454.350 RCC 152.510 - 152.810 telco 454.375 - 454.650 telco Mobile: 157.770 - 158.070 telco 459.025 - 459.350 RCC 158.490 - 158.670 RCC 459.375 - 459.650 telco Transmissions are FM. Many of these channels may now be used for paging, specifically 152.78, which is a nationwide page. _______________________________________________ Air to Ground Telephone [22.521] Ch Ground Airborne Signaling 454.675 (459.675) 6 454.700 459.700 7 454.725 459.725 5 454.750 459.750 8 454.775 459.775 4 454.800 459.800 9 454.825 459.825 3 454.850 459.850 10 454.875 459.875 2 454.900 459.900 11 454.925 459.925 1 454.950 459.950 12 454.975 459.975 Transmissions are FM. Ground stations repeat the airborne half of the conversation, and transmit a continuous tone when idle. From one to four channels are assigned in a particular area. Service is used on private aircraft. _______________________________________________ 800 MHz Air to Ground Telephone [22.1107] - - Airborne - - Blk Ch 1 - Ch 29 10 894.0055 - 894.1735 9 894.2055 - 894.3735 8 894.4055 - 894.5735 Guard Band - 7 894.6055 - 894.7735 .x765-.x797 6 894.8055 - 894.9735 5 895.0055 - 895.1735 Control Channels - 4 895.2055 - 895.3735 .x813-.x973 3 895.4055 - 895.5735 2 895.6055 - 895.7735 1 895.8055 - 895.9735 Transmissions are AM (or AM/SSB), and converting to digital. Channels are spaced 6 kHz apart. A specific block of 29 channels is assigned to each geographical area. Ground frequencies are 45 MHz lower and do not echo the airborne half of the conversation. Service is used on passenger airlines. ______________________________________________________
Television [73.603] Ch Range Video Audio 2 54 - 60 55.250 59.750 3 60 - 66 61.250 65.750 4 66 - 72 67.250 71.750 5 76 - 82 77.250 81.750 6 82 - 88 83.250 87.750 7 174 - 180 175.250 179.750 8 180 - 186 181.250 185.750 9 186 - 192 187.250 191.750 10 192 - 198 193.250 197.750 11 198 - 204 199.250 203.750 12 204 - 210 205.250 209.750 13 210 - 216 211.250 215.750 14 470 - 476 471.250 475.750 } 15 476 - 482 477.250 481.750 } Range for Ch. N .. ... - ... ....... ....... } Low = 386 + 6*N 68 794 - 800 795.250 799.750 } High = 392 + 6*N 69 800 - 806 801.250 805.750 } Note the gaps between chs 4/5, 6/7, and 13/14. Freqs in the 470-512 MHz range (Ch 14-20) may be assigned to Public Service mobile use in major metro areas. No transmitters are allowed on 608-614 MHz (Ch 37). Each TV channel is 6 MHz wide. The video carrier is 1.25 MHz above the start of the range. The audio carrier is 0.25 MHz below the end of the range. Television audio is wideband FM. Some TV stations may be offset +/- 10 kHz. ______________________________________________________
Cable TV (IRC) [76.605] [EIA IS-132] Ch MHz 2 - 13 54 - 216 (same as broadcast VHF) 14 - 22 120 - 174 Mid band Ch. A-I 23 - 36 216 - 300 Super band J-W 37 - 53 300 - 402 Hyper band AA-QQ 54 - 64 402 - 468 " " 65 - 94 468 - 648 (Ultra band) 95 - 99 90 - 120 Low band A5-A1 100 -125 648 - 804 (Ultra band) ______________________________________________________
Citizens Band [95.625] Ch Freq Ch Freq Ch Freq Ch Freq 1 26.965 11 27.085 21 27.215 31 27.315 2 26.975 12 27.105 * 22 27.225 32 27.325 3 26.985 13 27.115 23 27.255 - 33 27.335 4 27.005 * 14 27.125 24 27.235 - 34 27.345 5 27.015 15 27.135 25 27.245 - 35 27.355 6 27.025 16 27.155 * 26 27.265 36 27.365 7 27.035 17 27.165 27 27.275 37 27.375 8 27.055 * 18 27.175 28 27.285 38 27.385 9 27.065 19 27.185 29 27.295 39 27.395 10 27.075 20 27.205 * 30 27.305 40 27.405 * 26.995, 27.045, 27.095, 27.145, 27.195 => Remote Control - note break in sequence (27.255 shared with R/C) Modulation is primarily AM, with some SSB in use. ______________________________________________________
FRS - Family Radio Service [95.627] Ch Freq Ch Freq 1 462.5625 8 467.5625 2 462.5875 9 467.5875 3 462.6125 10 467.6125 4 462.6375 11 467.6375 5 462.6625 12 467.6625 6 462.6875 13 467.6875 7 462.7125 14 467.7125 The FRS was authorized on 06 June 96. It uses FM with a peak deviation of +/- 2.5 kHz. Maximum power is 0.5w ERP. Channels 1 - 7 are shared with GMRS. ______________________________________________________
GMRS - General Mobile Radio Service [95.29 ] [95.621] Base/mobile repeater I/P 462.5500 467.5500 462.5625 462.5750 467.5750 462.5875 462.6000 467.6000 462.6125 462.6250 467.6250 462.6375 462.6500 467.6500 462.6625 462.6750 467.6750 462.6875 462.7000 467.7000 462.7125 462.7250 467.7250 In addition to the station's licensed channel, 462.675 may be used for emergency and traveler's aid by all stations. Interstitial channels (462.xxx5) may be used only in simplex mode with voice transmissions of no more than 5 watts. They are shared with the Family Radio Service. ______________________________________________________
Railroads [90.91 ] Ch Freq 2 159.810 3 159.930 The channel designation is that 4 160.050 assigned by the Association of 5 160.185 American Railroads. Chs 2 thru 6 6 160.200 are used only in Canada. 7 160.215 Above channel 6, spacing is 15 kz. 8 160.230 .. ....... [ freq = 160.110 + .015*ch ] 96 161.550 97 161.565 452.325 452.775 Shared with trucking. 452.375 452.825 Mobiles 5 MHz higher. 452.425 452.875 452.475 452.900 452.925 Slave & remote-controlled 452.950 locomotives 457.9375 ETM - End of Train Monitors 161.115 Norfolk-Southern ETMs _______________________________________________ Marine VHF [80.871] [80.373] Ch Ship Ch Ship 60 156.025 1 156.050 61 156.075 2 156.100 62 156.125 3 156.150 63 156.175 4 156.200 64 156.225 ............ 25 157.250 85 157.275 26 157.300 86 157.325 27 157.350 87 157.375 28 157.400 88 157.425 Shore stations are 4.600 MHz above the ship frequency. In U.S. waters the shore frequency may be used on Chs 20, 24-28 & 84-87. Chs 1-5 & 60-64 are shared with other services. Chs 75 & 76 are reserved as guard bands for ch 16. Specific assignments include: 06 156.300 Intership Safety 09 156.450 General use by recreational vessels 13 156.650 Bridge-to-Bridge 15 156.750 Weather, notices, etc 16 156.800 General Calling / Distress 22 157.100 Coast Guard Liaison AMTS - Automated Maritime Telecommunications System [80.385] Transmit frequencies (@ 25 kHz intervals) Group Chs Coast Ship D 101-120 216.0125 - 216.4875 - - - - - - C 121-140 216.5125 - 216.9875 - - - - - - B 141-160 217.0125 - 217.4875 219.0125 - 219.4875 A 161-180 217.5125 - 217.9875 219.5125 - 219.9875 Ship transmit frequencies in groups C & D are not authorized. Coastal stations in groups C & D are not currently assignable. On-board Communications: [80.373] Ch mobile repeater 1 467.750 457.525 2 467.775 457.550 3 467.800 457.575 4 467.825 457.600 ______________________________________________________
Aeronautical Frequencies [87.173] 108.000 - 117.950 NavAids - VOR & localizer, 50 kHz step 118.000 - 121.400 ATC - towers & ARTCC 121.600 - 121.925 ATC - airport ground control 122.000 - 122.650 Flight Service Stations, 50 kHz step 122.700 - 123.500 * (see below) 123.600 - 128.800 ATC - towers & ARTCC 128.825 - 132.000 Enroute - airline company freqs 132.025 - 135.975 ATC - towers & ARTCC 136.000 - 136.475 Enroute - international 136.500 - 136.975 Enroute - domestic & international 25 kHz default spacing, AM for voice UNICOM - Aeronautical advisory station at airport [87.217] 122.700 122.725 122.800 123.000 122.950 at airport w/ full-time tower 122.975 above 10,000' 123.050 123.075 at heliports Multicom - common freq. at uncontrolled facilities [87.241] 122.850 122.900 primary CTAF 122.925 Fed/State natural resources FSS - FAA Flight Service Stations [87.187] 122.000 122.050 EFAS "Flight Watch" 122.100 receive only (w/VOR) 122.200 standard FSS 123.600 123.650 AAS Airport Advisory Svc Aviation Support - training, gliders, ballons, etc [87.323] 121.950 123.300 123.500 122.775 122.850 aviation services Misc. 121.500 standard emergency freq., ELTs 123.100 Search And Rescue - actual 122.900 Search And Rescue - training 123.100 control tower at special events 122.825 122.875 Enroute airline ops - local area 122.750 air-to-air - private arcft 123.025 air-to-air - helicopter 131.550 ACARS - digital (airlines) _______________________________________________ Ambulances [90.27 ] Hospital Ambulance Med-9 462.950 467.950 Med-9 and Med-10 may be Med-10 462.975 467.975 used for dispatch. Med-1 463.000 468.000 Med-2 463.025 468.025 Med-3 463.050 468.050 Med-1 thru Med-8 are Med-4 463.075 468.075 assigned as a block and Med-5 463.100 468.100 any channel may be used. Med-6 463.125 468.125 Med-7 463.150 468.150 Med-8 463.175 468.175 HEAR 155.340 Intersystem (Hosp. Emerg. Ambul. Radio) _______________________________________________ Public Safety Intersystem Police [90.19] 39.46 intersystem operations only 45.86 intersystem operations only 155.370 (widely used, but not a Federal allocation) 155.475 statewide emergency nets 173.075 stolen vehicle recovery (LoJack) 154.665 .680 .695 } State Police 154.905 .920 .935 } coordinated 155.445 .460 .505 } operations Fire [90.21] 45.88 intersystem, primarily base-mobile 154.265 .280 .295 mutual aid Emergency Medical [90.27] 155.340 HEAR - Hospital Emerg. Ambul. Radio 460.525 .550 inter/intrasystem w/ Police & Fire (also see FAF-Ambulances for MED channels) Public Safety - all 220.8025-220.8475 Mutual Aid (5 kHz intervals) [90.720] 866.0125 .5125 } 867.0125 .5125 } Mutual Aid [90.617] 868.0125 } (mobile freqs: 220 +1 MHz; 460 +5 MHz; 860 -45 MHz) _______________________________________________ Weather - NOAA broadcasts Ch Freq. 1 162.550 161.650 } Environment Canada 2 162.400 161.775 } (marine weather) 3 162.475 4 162.425 5 162.450 The weather alert signal is 6 162.500 a 1050 kHz tone for ~5 secs. 7 162.525 _______________________________________________ Broadcast Remote Pickup [74.401] 25.87 - 26.45 @ 20/40 kHz intervals 152.87 - 153.35 @ 60 kHz intervals 161.64 - 161.76 @ 30 kHz intervals 450.050 - 450.850 } @ 50/100 kHz 455.050 - 455.850 } intervals Film and Video Production [90.69 ] 152.87 152.90 152.93 152.96 152.99 153.02 173.225 173.275 173.325 173.375 Wireless mikes [90.265] 169.445 169.505 170.245 170.305 171.045 171.105 171.845 171.905 plus unused FM/TV broadcast channels [74.802] _______________________________________________ Dot Frequencies Dot color Other Red 151.625 itinerant "J" Dot 467.7625 Purple 151.955 "K" Dot 467.8125 Blue 154.570 Silver Star 467.850 Green 154.600 Gold Star 467.875 White 462.575 GMRS Red Star 467.900 Black 462.625 GMRS Blue Star 467.925 Orange 462.675 GMRS Brown 464.500 itinerant Yellow 464.550 itinerant "Dot" stickers are used by the manufacturer or distributer to indicate the frequency of otherwise identical transceivers. They are often found in rental inventories and on construction sites. Additional itinerant frequencies include 27.49, 35.04, 43.04, 151.505, 158.400, 451.800, 456.800, 469.500 and 469.550 MHz. _______________________________________________ Paired Frequencies Base/Rptr mobile i/p offset 152-152 MHz 157-158 MHz +5.26 MHz (Taxi) +5.26/+6.46 (Mobile Phone) 160-162 156-157 -4.6 (Marine VHF) 217-218 219-220 +2 (Marine AMTS) 220-221 221-222 +1 422-425 427-430 +5 (Great Lakes border) 450-465 455-470 +5 (10 MHz segments) 470-509 473-512 +3 (6 MHz segments) 851-896 806-851 -45 935-940 896-901 -39 _______________________________________________ CTCSS (PL) Frequencies Freq Designator Freq Designator Freq Designator (Hz) EIA Ham (Hz) EIA Ham (Hz) EIA Ham 67.0 L1 01 110.9 2Z 15 179.9 6B 29 71.9 L2 02 114.8 2A 16 186.2 7Z 30 74.4 WA 03 118.8 2B 17 192.8 7A 31 77.0 L3 04 123.0 3Z 18 203.5 M1 32 79.7 SP 05 127.3 3A 19 206.5 8Z 82.5 L4 06 131.8 3B 20 210.7 M2 33 85.4 YA 07 136.5 4Z 21 218.1 M3 34 88.5 L4A 08 141.3 4A 22 225.7 M4 35 91.5 ZZ 09 146.2 4B 23 229.1 9Z 94.8 L5 10 151.4 5Z 24 233.6 M5 36 97.4 ZB 11 156.7 5A 25 241.8 M6 37 100.0 1Z 12 162.2 5B 26 250.3 M7 38 103.5 1A 13 167.9 6Z 27 254.1 OZ 107.2 1B 14 173.8 6A 28 Motorola differs from EIA with: XZ (L1), XA (L2), XB (L3), YZ (L4), YB (L4A), ZA (L5). ICOMM does not use 97.4 and uses one less than the amateur numbers above that (i.e. ICOM #25 = 162.2). _______________________________________________ DTMF frequencies [Touch-Tone (r)] | High Tone | hz 1209 1336 1477 1633 | 697 1 2 3 A | Low 770 4 5 6 B | Tone 852 7 8 9 C | 941 * 0 # D | _______________________________________________

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1999 n2or@usa.net