This chart is copyright 1996, Gene's Computer Outlet SPECTRUM There is a spectrum of frequencies that makes up all sounds that we hear, radio signals, television signals, microwave signals, X-rays, Gamma rays, and light waves. Lower frequencies are measured in hertz while upper frequencies are measured in wavelengths. The lower the frequency, the higher the wavelength. Livewise, the higher the frequency, the shorter the wavelength. Wavelength and frequency are measured in relation to the speed of light. Speed of Light = 300 million meters per second 3 MHZ = 100 METERS 30 MHZ = 10 METERS 300 MHZ = 1 METER 3 GHZ = 10 CM 30,000 GHZ = .001 CENTIMETERS = 100,000 ANGSTROM UNITS A HERTZ IS THE UNIT OF FREQUENCY MEASUREMENT (FORMALLY CALLED CYCLE) A KHZ IS 1000 HERTZ A MHZ IS 1000 KHZ OR 1 MILLION HERTZ A GHZ is 1 million times 1 million hertz Frequencies are grouped as indicated: VLF= 3 khz-300 khz, LF=300khz-3 mhz; (SW) HF=3-30 Mhz; VHF=30-300 MHZ; UHF=300-3000 MHZ VLF is Very Low Frequencies. LF is Low Frequencies. SW is Short Wave VHF is Very High Frequencies UHF is Ultra High Frequencies ------------------------------------------------------------------------------ 20 HZ - 20,000 HZ SOUND THAT WE HEAR (20-60=BASE;12000-20000=HF) 20 hz is the alternating frequency of telephone ringing 60 hz is the alternating frequency of our electric power 20 KHZ - 35 KHZ ULTRA-SONIC SOUND THAT WE DON'T HEAR 10 KHZ - 14 KHZ OMEGA LONG RANGE NAVIGATION 14 KHZ - 19.95 KHZ Radio NAVIGATION (BEACONS) 20 KHZ STANDARD FREQUENCY 20.05 KHZ - 59 KHZ Maritime Fixed 60 KHZ Frequency Standard 61 KHZ - 70 KHZ Fixed 70 KHZ - 110 KHZ LORAN C NAVIGATION 110 KHZ - 160 KHZ MARITIME FIXED 160 KHZ - 200 KHZ FIXED 200 KHZ - 285 KHZ AERO RADIO NAVIGATION 285 KHZ - 325 KHZ MARITIME RADIO NAVIGATION 325 KHZ - 405 KHZ AREA RADIO NAVIGATION 405 KHZ - 415 KHZ MARITIME RADIO NAVIGATION 415 KHZ - 490 KHZ MARITIME TELEGRAPHY 490 KHZ - 510 KHZ INTERNATIONAL DISTRESS (500KHZ) 510 KHZ - 535 KHZ AERO RADIO NAVIGATION 535 KHZ - 1605 KHZ AM BROADCAST BAND (Example=KYW is 1060KHZ) 1.605 MHZ - 1.8 KHZ FIXED/AERO & MARITIME RADIO LOCATION 1.8 MHZ - 2.0 MHZ 160 METER HAM 2.00 MHZ - 2.065 MHZ Maritine 2.00 MHZ - 2.17 MHZ FIXED 2.144 MHZ - 2.17 MHZ AERO 2.17 MHZ - 2.195 MHZ (2182 KHZ is International Distress) 2.195 MHZ - 2.498 MHZ FIXED 2.3 MHZ - 2.5 MHZ 120 METER International Short Wave BROADCAST BAND 2.505 MHZ - 2.625 MHZ FIXED 2.625 MHZ - 2.85 MHZ 2.85 MHZ - 3.155 MHZ AERO 3.155 MHZ - 3.4 MHZ FIXED 3.2 MHZ - 3.7 MHZ 90 METER International Short Wave BROADCAST BAND 3.4 MHZ - 3.5 MHZ AERO 3.5 MHZ - 4.0 MHZ 80-75 METER HAM 4.0 MHZ - 4.231 MHZ Ship to Shore (SSB) 4.231 MHZ - 4.3494 MHZ COASTAL CW 4.361 MHZ - 4.438 MHZ COASTAL Shore to Ship (SSB) 4.438 MHZ - 4.65 MHZ FIXED 4.65 MHZ - 4.75 MHZ AERO 4.75 MHZ - 4.995 MHZ FIXED 4.70 MHZ - 5.95 MHZ 60 METER International Short Wave BROADCAST BAND 5.00 WWV National Bureau of Standards, Ft Collins, CO 5.005 MHZ - 5.45 MHZ FIXED 5.45 MHZ - 5.73 MHZ AERO 5.73 MHZ - 5.95 MHZ FIXED 5.95 MHZ - 6.2 MHZ 49 METER International Short Wave BROADCAST BAND 6.2 MHZ - 6.514 MHZ Maritine 6.514 MHZ - 6.525 MHZ COASTAL SSB 6.525 MHZ - 6.765 MHZ AERO 6.765 MHZ - 7.00 MHZ FIXED 7.00 MHZ - 7.30 MHZ 40 METER HAM 7.1 MHZ - 7.3 MHZ 41 METER International Short Wave BROADCAST BAND 7.3 MHZ - 8.195 MHZ FIXED 8.195 MHZ - 8.4595 MHZ Ship to Shore (SSB) 8.4595 MHZ - 8.7044 MHZ COASTAL CW 8.7285 MHZ - 8.815 MHZ COASTAL Shore to Ship (SSB) 8.815 MHZ - 9.04 MHZ AERO 9.04 MHZ - 9.5 MHZ FIXED 9.0 MHZ - 9.775 MHZ 31 METER International Short Wave BROADCAST BAND 9.775 MHZ - 9.995 MHZ FIXED 10.000 MHZ WWV 10.005 MHZ - 10.1 MHZ AERO 10.1 MHZ - 10.15 MHZ 30 Meter HAM 10.15 MHZ - 11.175 MHZ FIXED 11.175 MHZ - 11.4 MHZ AERO 11.4 MHZ - 11.7 MHZ FIXED 11.7 MHZ - 12.100 MHZ 25 METER International Short Wave BROADCAST BAND 11.975 MHZ - 12.33 MHZ FIXED 12.33 MHZ - 12.689 MHZ Ship to Shore (SSB) 12.689 MHZ - 13.0708 MHZ COASTAL CW 13.137 MHZ - 13.2 MHZ COASTAL Shore to Ship (SSB) 13.2 MHZ - 13.36 MHZ AERO 13.36 MHZ - 14.00 MHZ FIXED 14.00 MHZ - 14.35 MHZ 20 METER HAM 14.35 MHZ - 14.99 MHZ FIXED 15.00 MHZ WWV 15.01 MHZ - 15.1 MHZ AERO 15.1 MHZ - 15.45 MHZ 19 METER International Short Wave BROADCAST BAND 15.45 MHZ - 16.46 MHZ FIXED 16.46 MHZ - 16.9175 MHZ Ship to Shore (SSB) 16.9175 MHZ - 17.1969 MHZ COASTAL CW 17.255 MHZ - 17.36 MHZ COASTAL Shore to Ship (SSB) 17.36 MHZ - 17.7 MHZ FIXED 17.7 MHZ - 17.9 MHZ 16 METER International Short Wave BROADCAST BAND 17.9 MHZ - 18.03 MHZ AERO 18.068 MHZ - 18.168 MHZ 17 METER HAM BAND 18.03 MHZ - 19.99 MHZ FIXED 20.000 MHZ WWV 20.01 MHZ - 21.00 MHZ FIXED 21.00 MHZ - 21.45 MHZ 15 METER HAM 21.45 MHZ - 21.75 MHZ 13 METER International Short Wave BROADCAST BAND 21.75 MHZ - 21.85 MHZ FIXED - Maritime 21.85 MHZ - 22.00 MHZ AERO 22.00 MHZ - 22.374 MHZ Ship to Shore (SSB) 22.374 MHZ - 22.561 MHZ COASTAL CW 22.6245 MHZ - 22.72 MHZ COASTAL Shore to Ship (SSB) 22.72 MHZ - 23.2 MHZ FIXED 23.2 MHZ - 23.35 MHZ AERO 23.35 MHZ - 24.99 MHZ FIXED 24.89 MHZ - 24.99 MHZ 12 METER HAM BAND 25.01 MHZ - 25.07 MHZ FIXED 25.11 MHZ - 25.6 MHZ FIXED 25.60 MHZ - 26.10 MHZ 11 METER International Short Wave BROADCAST BAND 26.1 MHZ - 27.5 MHZ FIXED 26.965 MHZ - 27.405 MHZ 11 METER CB BAND 27.405 MHZ - 28.00 MHZ Government 28.00 MHZ - 29.70 MHZ 10 METER HAM 29.7 MHZ - 30.005 MHZ FIXED 30.00 MHZ - 30.56 MHZ GOVERNMENT 30.56 MHZ - 30.86 MHZ INDUSTRIAL 30.46 MHZ - 31.1 MHZ LAND TRANSPORTATION 30.86 MHZ - 32.00 MHZ PUBLIC SERVICE 32.00 MHZ - 33.00 MHZ GOVERNMENT 33.10 MHZ - 33.40 MHZ INDUSTRIAL 33.40 MHZ - 34.00 MHZ PUBLIC SERVICE 34.00 MHZ - 35.00 MHZ GOVERNMENT 35.00 MHZ - 35.20 MHZ INDUSTRIAL 35.20 MHZ - 35.70 MHZ MOBILE PHONE 35.42 MHZ - 35.46 MHZ IMTS MOBILE PHONE - BASE TO CAR 35.70 MHZ - 36.00 MHZ INDUSTRIAL 36.00 MHZ - 37.00 MHZ GOVERNMENT 37.00 MHZ - 37.42 MHZ PUBLIC SERVICE 37.42 MHZ - 37.90 MHZ INDUSTRIAL 37.90 MHZ - 38.00 MHZ PUBLIC SERVICE 38.00 MHZ - 39.00 MHZ GOVERNMENT 39.00 MHZ - 40.00 MHZ PUBLIC SERVICE 40.00 MHZ - 42.00 MHZ GOVERNMENT & ISM SHARED 42.00 MHZ - 42.95 MHZ PUBLIC SERVICE 42.95 MHZ - 43.20 MHZ INDUSTRIAL 43.20 MHZ - 43.70 MHZ MOBILE PHONE 43.42 MHZ - 43.46 MHZ IMTS MOBILE PHONE - CAR TO BASE 43.70 MHZ - 44.6 MHZ GOVERNMENT 44.60 MHZ - 46.6 MHZ PUBLIC SERVICE 46.00 MHZ - 47.00 MHZ GOVERNMENT WIRELESS TELEPHONES 47.00 MHZ - 47.70 MHZ PUBLIC SERVICE 47.42 MHZ - 49.60 MHZ INDUSTRIAL 49.00 MHZ - 50.00 MHZ GOVERNMENT WIRELESS TELEPHONES 50.00 MHZ - 54.00 MHZ 6 METER HAM 54.00 MHZ - 60.00 MHZ TV CHANNEL 2 (sound is at 59.75 mhz) 60.00 MHZ - 66.00 MHZ TV CHANNEL 3 66.00 MHZ - 72.00 MHZ TV CHANNEL 4 72.00 MHZ - 73.00 MHZ FIXED 73.00 MHZ - 74.60 MHZ RADIO ASTROMONY 74.60 MHZ - 75.40 MHZ AERO RADIO NAVIGATION 75.4 MHZ - 76.00 MHZ FIXED 76.00 MHZ - 82.00 MHZ TV CHANNEL 5 82.00 MHZ - 88.00 MHZ TV CHANNEL 6 (sound is at 87.75mhz) 88.00 MHZ - 108.00 MHZ FM BROADCAST BAND 108.00 MHZ - 112.00 MHZ TVOR ILS LOCALIZER (AERO) 112.00 MHZ - 118.00 MHZ VOR NAVIGATION (AERO) 118.00 MHZ - 136.00 MHZ AIRCRAFT COMMUNICATIONS 136.00 MHZ SATALITES 136.00 MHZ - 144.00 MHZ GOVERNMENT 144.00 MHZ - 148.00 MHZ 2 METER HAM 148.000 MHZ - 150.80 MHZ GOVERNMENT 150.80 MHZ - 150.98 MHZ LAND TRANSPORTATION 150.98 MHZ - 151.49 MHZ PUBLIC SERVICE 151.49 MHZ - 152.00 MHZ INDUSTRIAL 152.00 MHZ - 152.225 MHZ DOMESTIC PUBLIC (PAGING) 152.225 MHZ - 152.465 MHZ LAND TRANSPORTATION 152.465 MHZ - 152.495 MHZ INDUSTRIAL 152.495 MHZ - 152.855 MHZ IMTS MOBILE PHONE - BASE TO CAR 152.855 MHZ - 153.7325MHZ INDUSTRIAL 153.7325MHZ - 154.46 MHZ PUBLIC SERVICE 154.46 MHZ - 154.6275MHZ INDUSTRIAL 154.6275MHZ - 156.25 MHZ PUBLIC SERVICE 156.025 MHZ - 157.425 MHZ MARINE CHANNELS 1-88 SHORE TO SHIP 157.20 MHZ - 157.40 MHZ MARINE TELEPHONE CH 24-28 & 84-87 SHORE TO SHIP 157.45 MHZ - 157.725 MHZ LAND TRANSPORTATION 157.725 MHZ - 157.755 MHZ INDUSTRIAL 157.755 MHZ - 158.115 MHZ IMTS MOBILE PHONE - CAR TO BASE 158.115 MHZ - 158.475 MHZ INDUSTRIAL 158.475 MHZ - 158.715 MHZ DOMESTIC PUBLIC 158.715 MHZ - 159.48 MHZ PUBLIC SERVICE 159.48 MHZ - 161.575 MHZ LAND TRANSPORTATION 161.625 MHZ - 161.775 MHZ REMOTE PICKUP 160.625 MHZ - 162.025 MHZ MARINE CHANNELS 1-88 SHIP TO SHORE 161.80 MHZ - 162.00 MHZ MARINE TELEPHONE CH 24-28 & 84-87 SHIP TO SHORE 162.4, 162.475, 162.55MHZ GOVERNMENT WEATHER 162.00 MHZ - 166.25 MHZ GOVERNMENT 166.25 MHZ - 172.375 MHZ PUBLIC SERVICE/REMOTE PICKUP 172.375 MHZ - 174.00 MHZ INDUSTRIAL 174.000 MHZ - 180.000 MHZ TV CHANNEL 7 180.000 MHZ - 186.000 MHZ TV CHANNEL 8 186.000 MHZ - 192.000 MHZ TV CHANNEL 9 192.000 MHZ - 198.000 MHZ TV CHANNEL 10 198.000 MHZ - 204.000 MHZ TV CHANNEL 11 204.000 MHZ - 210.000 MHZ TV CHANNEL 12 210.000 MHZ - 216.000 MHZ TV CHANNEL 13 216.000 MHZ - 220.000 MHZ GOVERNMENT - TELEMETRY 220.000 MHZ - 225.000 MHZ P 1.25 METER HAM (P BAND 220-390 MHZ) 225.000 MHZ - 328.600 MHZ GOVERNMENT/AERO 328.6 MHZ - 335.4 MHZ AERO ILS GLIDESLOPE 335.4 MHZ - 400.00 MHZ GOVERNMENT/AERO 400.00 MHZ - 406.00 MHZ L RADIOSONDE (L BAND 390-1550 MHZ) 406.125 MHZ - 406.875 MHZ TRAIN MOBILE PHONE 416.125 MHZ - 416.975 MHZ TRAIN MOBILE PHONE 406.00 MHZ - 420.00 MHZ GOVERNMENT 420.000 MHZ - 450.000 MHZ 3/4 METER HAM 450.000 MHZ - 451.000 MHZ BC REMOTE PICKUP 451.300 MHZ - 451.500 MHZ TELEPHONE MAINTENANCE - BASE 451.000 MHZ - 452.000 MHZ INDUSTRIAL 452.000 MHZ - 453.000 MHZ LAND TRANSPORTATION 453.000 MHZ - 454.000 MHZ PUBLIC SERVICE 454.375 MHZ - 454.650 MHZ IMTS MOBILE PHONE BELL TELEPHONE 454.675 MHZ - GROUND TO AIR SIGNALING FOR PHONE SERVICE 454.700 MHZ - 454.975 MHZ IMTS MOBILE PHONE RCC 455.000 MHZ - 456.000 MHZ BC REMOTE PICKUP 456.300 MHZ - 456.500 MHZ TELEPHONE MAINTENANCE 456.000 MHZ - 457.000 MHZ INDUSTRIAL 457.000 MHZ - 458.000 MHZ LAND TRANSPORTATION 458.000 MHZ - 459.000 MHZ PUBLIC SERVICE 459.375 MHZ - 459.650 MHZ IMTS MOBILE PHONE BELL TELEPHONE 459.700 MHZ - 459.975 MHZ IMTS MOBILE PHONE RCC 460.000 MHZ - 462.525 MHZ INDUSTRIAL 462.55 MHZ - 462.725 MHZ GRMS (BASE TO CAR) 462.725 MHZ - 463.225 MHZ C 463.225 MHZ - 464.725 MHZ INDUSTRIAL 466.475 MHZ - 470.000 MHZ INDUSTRIAL 467.55 MHZ - 467.725 MHZ GMRS (CAR TO BASE) 470.00 MHZ - 512.00 MHZ SHARED LAND MOBILE WITH UHF TV 14-20 470.000 MHZ - 806.000 MHZ UHF TV CHANNEL 14-69 806.000 MHZ - 890.000 MHZ UHF TV CHANNEL 70-83 (RE-ALLOCATED TO CELLULAR,ETC) 806.000 MHZ - 821.000 MHZ SAFETY & SPECIAL RADIO SERVICES 821.00 MHZ - 825.00 MHZ SATELITE MOBILE REPEATERS 825.00 MHZ - 835.00 MHZ CELLULAR - NON WIRELINE - RECEIVER 835.00 MHZ - 845.00 MHZ CELLULAR - WIRELINE - RECEIVER 845.000 MHZ - 851.00 MHZ 851.000 MHZ - 866.000 MHZ SAFETY & SPECIAL RADIO SERVICES 866.00 MHZ - 870.00 MHZ SATELITE MOBILE REPEATERS 870.00 MHZ - 880.00 MHZ CELLULAR - NON WIRELINE - TRANSMITTER 880.00 MHZ - 890.00 MHZ CELLULAR - WIRELINE - TRANSMITTER 890.00 MHZ - 902.00 MHZ GOVERNMENT 902.00 MHZ - 928.00 MHZ HAM 915.00 MHZ ISM DEVICES 928.00 MHZ - 947.00 MHZ 947.00 MHZ - 952.00 MHZ STUDIO TO TRANSMITTER LINKS 952.00 MHZ - 960.00 MHZ FIXED 960.00 MHZ - 1215 MHZ AERO RADIONAVIGATION - TACAN & DMETATC TRANSPONDER 1215 MHZ - 1240 MHZ 1240 MHZ - 1300 MHZ HAM 1300 MHZ - 1990 MHZ S GOVERNMENT/AERO NAV/FIXED/AERO MOBILE (S=1550-5200) 1990 MHZ - 2110 MHZ STUDIO TO TRANSMITTER LINKS/REMOTE PICKUPS 2150 MHZ - 2162 MHZ MDS (MULTIPOINT TV DISTRIBUTION) 2200 MHZ - 2300 MHZ GOVERNMENT 2300 MHZ - 2450 MHZ HAM 2450 MHZ ISM DEVICES 2500 MHZ - 2700 MHZ OPERATIONAL FIXED/INTERNATIONAL CONTROL 2700 MHZ - 2900 MHZ AERO NAVIGATION/ METEROLOGICAL AIDS 2900 MHZ - 3100 MHZ RADIO NAVIGATION 3100 MHZ - 3300 MHZ GOVERNMENT 3300 MHZ - 3500 MHZ HAM 3400 MHZ - 3500 MHZ FIXED SATALITE 3500 MHZ - 3700 MHZ TAKEN FROM HAMS RECENTLY 3700 MHZ - 4200 MHZ C COMMON CARRIER MICROWAVE RELAY (C BAND 3900-6200) 4200 MHZ - 4400 MHZ RADIO ALTIMETER 4400 MHZ - 4990 MHZ GOVERNMENT 4990 MHZ - 5000 MHZ RADIO ASTRONOMY 5000 MHZ - 5100 MHZ AREO RADIO NAVIGATION 5100 MHZ - 5250 MHZ X GOVERNMENT (X BAND 5200-10,900 MHZ) 5250 MHZ - 5650 MHZ RADIO NAVIGATION 5400 MHZ C BAND WEATHER RADAR 5650 MHZ - 5925 MHZ HAM 5925 MHZ - 6425 MHZ COMMON CARRIER MICROWAVE/SATALITE 5800 MHZ ISM DEVICES 6425 MHZ - 6875 MHZ 6875 MHZ - 7125 MHZ STUDIO TO TRANSMITTER LINKS/REMOTE PICKUPS 7125 MHZ - 10.0 GHZ GOVERNMENT 10.00 GHZ - 10.5 GHZ HAM 10.5 GHZ - 11.65 GHZ FIXED (MICROWAVE POINT TO POINT) 11.65 GHZ - 11.7 GHZ DOWNLINK 11.7 GHZ - 13.2 GHZ FIXED 13.2 GHZ - 13.25 GHZ UPLINK 13.25 GHZ - 24.00 GHZ FIXED - AERO - SATALITE - 22.235 GHZ RESONANCE FREQUENCY OF WATER 24.0 GHZ - 24.25 GHZ HAM 24.125 GHZ ISM DEVICES 48.00 GHZ - 50.00 GHZ HAM 60 GHZ RESONANCE FREQUENCY OF OXYGEN 71.00 GHZ - 76.00 GHZ HAM 165.000 GHZ - 170.00 GHZ HAM 240.00 GHZ - 250.00 GHZ HAM 300.00 GHZ - ALL ABOVE HAM 30,000 GHZ = 100,000 ANGSTROM UNITS ----- Light Waves--- 10,000 - 100,000 ANGSTROM UNITS INFRA-RED 8,000 ANGSTROM UNITS RED ORANGE YELLOW GREEN BLUE VIOLET 100 -4,000 ANGSTROM UNITS ULTRA-VIOLET 1 - 100 ANGSTROM UNITS XRAYS .01 - 1 ANGSTROM UNITS GAMMA RAYS (RADIUM) .001 - .01 ANGSTROM UNITS COSMIC RAYS (INTER STELLAR SPACE) Receivers are available to tune in most of these interesting frequencies: Usually it takes several to cover most of the interesting bands. ICOM IC 71A Covers 30 KHZ to 30 MHZ Price Range $1000 ICOM R7000 Covers 30 MHZ to 2000 MHZ Price Range $1500