The following low-power television stations broadcast on digital or analog channel 18 in the United States:
* K18AD-D in East Wenatchee, etc., Washington
* K18BN-D in Glasgow, Montana
* K18BW in Yerington, Nevada
* K18CB-D in Bullhead City, Arizona
* K18CR-D in Circle, etc., Montana
* K18DD-D in Camp Verde, Arizona
* K18DG-D in Alexandria, Minnesota
* K18DH in Broken Bow, Nebraska
* K18DL-D in Logan, Utah
* K18DP-D in Lovelock, Nevada
* K18DR-D in Cortez, etc., Colorado
* K18DT-D in Coeur D'Alene, Idaho
* K18EL-D in Newberg/Tigard, Oregon
* K18ET-D in Orderville, Utah
* K18FN-D in Peetz, Colorado
* K18FO-D in Idalia, Colorado
* K18FR-D in Newport, Oregon
* K18FU-D in Rural Beaver County, Utah
* K18FZ in Orangeville, Utah
* K18GD-D in Redstone, Colorado
* in Little Falls, Minnesota
* K18GG-D in Mina/Luning, Nevada
* K18GM-D in Pleasant Valley, Colorado
* K18GT-D in Ryndon, Nevada
* K18GU-D in Ottumwa, Iowa
* K18GW in Beowawe, Nevada
* K18GX-D in Juab, Utah
* K18HD-D in Bakersfield, California
* K18HF-D in Gallup, New Mexico
* K18HH-D in The Dalles, Oregon
* in Amarillo, Texas
* in Sandpoint, Idaho
* K18HR-D in Conchas Dam, New Mexico
* K18HX-D in Hollis, Oklahoma
* K18HZ-D in Navajo Mountain, Utah
* K18IA-D in Oljeto, Utah
* K18IB-D in Mexican Hat, Utah
* K18IP-D in Overton, Nevada
* K18IQ-D in Jacks Cabin, Colorado
* K18IR-D in Olivia, Minnesota
* K18IT-D in Green River, Utah
* K18IU-D in Mayfield, Utah
* K18IV-D in Mount Pleasant, Utah
* in Rapid City, South Dakota
* K18IZ-D in Grandfield, Oklahoma
* K18JA-D in Pinedale, Wyoming
* K18JD-D in Torrington, Wyoming
* K18JE-D in Broadus, Montana
* K18JG-D in Beowowe, Nevada
* K18JJ-D in Crowheart, Wyoming
* K18JL-D in Phoenix, Arizona
* K18JM-D in Northome, Minnesota
* K18JU-D in Utahn, Utah
* K18JX-D in Hoehne, Colorado
* K18KA-D in Ely, Nevada
* K18KC-D in Wendover, Utah
* K18KD-D in Libby, Montana
* K18KG-D in Spencer, Iowa
* K18KH-D in Julesburg, Colorado
* K18KI-D in Baker City, Oregon
* K18KM-D in Conrad, Montana
* K18KO-D in Rural Summit County, Utah
* K18KT-D in Chinook, Montana
* K18LG-D in Shiprock, New Mexico
* K18LH-D in Lewiston, Idaho
* K18LJ-D in Dunsmuir, etc., California
* K18LL-D in Eads, etc., Colorado
* K18LM-D in Mud Canyon, New Mexico
* K18LU-D in Glendale, etc., Oregon
* K18LY-D in Seiling, Oklahoma
* K18LZ-D in Kingman, Arizona
* K18MD-D in Childress, Texas
* K18ME-D in Richfield, etc., Utah
* K18MF-D in Torrey, etc., Utah
* K18MG-D in Panguitch, Utah
* K18MH-D in Rural Garfield, Utah
* K18ML-D in Henrieville, Utah
* K18MM-D in Rural Sevier County, Utah
* K18MN-D in Koosharem, Utah
* K18MO-D in Worthington, Minnesota
* K18MP-D in Ridgecrest, California
* in Akron, Colorado
* K18MT-D in Cedar City, Utah
* K18MV-D in Scipio/Holden, Utah
* K18MW-D in Leamington, Utah
* K18MX-D in Orangeville, etc., Utah
* K18MY-D in East Carbon County, Utah
* K18MZ-D in Forsyth, Montana
* K18NA-D in Pahrump, Nevada
* K18NB-D in Wray, Colorado
* K18NC-D in Malad, Idaho
* K18ND-D in Chico and Paradise, California
* in St. James, Minnesota
* K18NG-D in McDermitt, Nevada
* K18NH-D in Puyallup, Washington
* K18NI-D in Point Pulley, etc., Washington
* K18NN-D in Globe, Arizona
* K18NQ-D in Rhinelander, Wisconsin
* K24IC-D in Bellingham, Washington
* K27KD-D in Hatch, Utah
* K32HN-D in Circleville, etc., Utah
* K34JN-D in Montezuma Creek-Aneth, Utah
* K34JO-D in Bluff & area, Utah
* K35JL-D in Nephi, Utah
* K39JH-D in Strong City, Oklahoma
* K42EK-D in Round Mountain, Nevada
* K42HK-D in Cottage Grove, Oregon
* K48AX-D in Eagle Nest, New Mexico
* K51CM-D in International Falls, Minnesota
* KAJJ-CD in Kalispell, Montana
* KCEI-LD in Taos, New Mexico
* KCLP-CA in Boise, Idaho
* KCWH-LD in Lincoln, Nebraska
* KDKZ-LD in Farmington, Missouri
* KDOV-LD in Medford, Oregon
* KFAZ-CA in Visalia, California
* KFTU-CD in Tucson, Arizona
* in Keene, Texas
* KHME in Rapid City, South Dakota
* KHMP-LD in Las Vegas, Nevada
* KJTN-LP in Abilene, Texas
* KPFW-LD in Dallas, Texas
* KPSP-CD in Cathedral City, California
* KRNS-CD in Reno, Nevada
* KRTN-LD in Albuquerque, New Mexico
* KSWE-LD in Liberal, Kansas
* KTEW-LD in Ponca City, Oklahoma
* KTVV-LD in Hot Springs, Arkansas
* in Salt Lake City, Utah
* KXVZ-LP in Plainview, Texas
* KZCS-LD in Colorado Springs, Colorado
* W17DF-D in Muskegon, Michigan
* in Elizabeth City, North Carolina
* in Scranton, Pennsylvania
* W18BS in Hampton, Virginia
* in Quincy, Illinois
* W18DQ-D in Santa Isabel, Puerto Rico
* in Chattanooga, Tennessee
* W18EG-D in Onancock, Virginia
* W18EP-D in Weaverville, North Carolina
* W18ES-D in Mansfield, Ohio
* in Birmingham, Alabama
* W18EU-D in Miami, Florida
* WBGR-LD in Bangor/Dedham, Maine
* WBXC-CD in Champaign/Urbana, Illinois
* WCBZ-CD in Marion, Ohio
* WDTJ-LD in Toledo, Ohio
* in Augusta, Georgia
* WLCN-CD in Charleston, South Carolina
* WMEU-CD in Chicago, Illinois
* WMYO-CD in Louisville, Kentucky
* WNYT in Troy, New York
* WQDH-LD in Wilmington, North Carolina
* in Ocala, Florida
* WSJP-LD in Aquadilla, Puerto Rico
* in Savannah, Georgia
* WURO-LD in Roscommon, Michigan
* WUVF-LD in Naples, Florida
* WVVH-CD in Southampton, New York
* WWNY-CD in Massena, New York The following low-power stations, which are no longer licensed, formerly broadcast on analog or digital channel 18:
* K18DY in Hillsboro, New Mexico
* K18GQ in Ruidoso, etc., New Mexico
* in Joplin, Missouri
* KSCM-LP in Bryan, Texas
* in Searcy, Arkansas
* KYEX-LP in Anchorage, Alaska
* W18AE in Killington, Vermont
* W18DB in Port Richey, etc., Florida
* WAPG-CD in Greeneville, Tennessee
* WHNW-LD in Gary, Indiana
* WJPW-CD in Weirton, West Virginia
* WVBN-LP in Virginia Beach, Virginia

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The United States' Federal Information Processing Standards (FIPS) are publicly announced standards developed by the National Institute of Standards and Technology for use in computer systems by non-military American government agencies and government contractors. FIPS standards are issued to establish requirements for various purposes such as ensuring computer security and interoperability and are intended for cases in which suitable industry standards do not already exist. Many FIPS specifications are modified versions of standards used in the technical communities, such as the American National Standards Institute (ANSI), the Institute of Electrical and Electronics Engineers (IEEE), and the International Organization for Standardization (ISO).