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ARRL Products: Circuit Design (More) Hints & Kinks--17th edition -- Now including the popular Hands-On Radio column from QST Workbench. Do-It-Yourself Circuitbuilding for Dummies -- A fun and easy way to start building circuits for your projects! ARRL's Vintage Radio -- Articles about the lure of vintage Amateur Radio gear. Power Supply Handbook -- Gain the knowledge and confidence you need to build and use power supplies. A must have for your bookshelf! Discrete-Signal Analysis and Design -- A clear, step-by-step approach to practical uses of discrete-signal analysis and design, especially for communications and radio engineers.

Atlantic Division

Delaware

Eastern Pennsylvania -- the counties of Adams, Berks, Bradford, Bucks, Carbon, Chester, Columbia, Cumberland, Dauphin, Delaware, Juniata, Lackawanna, Lancaster, Lebanon, Lehigh, Luzerne, Lycoming, Monroe, Montgomery, Montour, Northhampton, Northumberland, Perry, Philadelphia, Pike, Schuylkill, Snyder, Sullivan, Susquehanna, Tioga, Union, Wayne, Wyoming, York

Maryland-DC

Northern New York -- the counties of Clinton, Essex, Franklin, Fulton, Hamilton, Jefferson, Lewis, Montgomery, St. Lawrence, Schoharie

Southern New Jersey -- the counties of Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester, Mercer Ocean, Salem

Western New York -- the counties of Allegany, Broome, Cattaraugus, Cayuga, Chautauqua, Chemung, Chenango, Cortland, Delaware, Erie, Genesee, Herkimer, Livingston, Madison, Monroe, Niagara, Oneida, Onondaga, Ontario, Orleans, Oswego, Otsego, Schuyler, Seneca, Steuben, Tioga, Tompkins, Wayne, Wyoming, Yates

Western Pennsylvania -- those counties not listed under Eastern Pennsylvania

Illinois

Indiana

Wisconsin

Minnesota

North Dakota

South Dakota

Arkansas

Louisiana

Mississippi

Tennessee

Kentucky

Michigan

Ohio

Eastern New York -- the counties of Albany, Columbia, Dutchess, Greene, Orange, Putnam, Rensselaer, Rockland, Saratoga, Schenectady, Sullivan, Ulster, Warren, Washington, Westchester

New York City-Long Island -- the counties of Bronx, Kings, Nassau, New York, Queens, Richmond, Suffolk

Northern New Jersey -- the counties of Bergen, Essex, Hudson, Hunterdon, Middlesex, Monmouth, Morris, Passaic, Somerset, Sussex, Union, Warren

Iowa

Kansas

Missouri

Nebraska

Connecticut

Eastern Massachusetts -- the counties of Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket, Norfolk, Plymouth, Suffolk

Maine

New Hampshire

Rhode Island

Vermont

Western Massachusetts -- the counties of Berkshire, Franklin, Hampden, Hampshire, Worcester

Alaska

Eastern Washington -- the counties of Adams, Asotin, Benton, Chelan, Columbia, Douglas, Ferry, Franklin, Garfield, Grant, Kittitas, Klickitat, Lincoln, Okanogan, Pend Oreille, Spokane, Stevens, Walla Walla, Whitman, Yakima

Idaho

Montana

Oregon

Western Washington -- the counties of Clallam, Clark, Cowlitz, Grays Harbor, Island, Jefferson, King, Kitsap, Lewis, Mason, Pacific, Pierce, San Juan, Skagit, Skamania, Snohomish, Thurston, Wahkiakum, Whatcom

East Bay -- the California counties of Alameda, Contra Costa, Napa, Solano

Nevada

Pacific -- Hawaii and U.S. possessions in the Pacific

Sacramento Valley -- the California counties of Alpine, Amador, Butte, Colusa, El Dorado, Glenn, Lassen, Modoc, Nevada, Placer, Plumas, Sacramento, Shasta, Sierra, Siskiyou, Sutter, Tehama, Trinity, Yolo, Yuba

San Francisco -- the California counties of Del Norte, Humboldt, Lake, Marin, Mendocino, San Francisco, Sonoma

San Joaquin Valley -- the California counties of Calaveras, Fresno, Kern, Kings, Madera, Mariposa, Merced, Mono, San Joaquin, Stanislaus, Tulare, Tuolumne

Santa Clara Valley -- the California counties of Monterey, San Benito, San Mateo, Santa Clara, Santa Cruz

North Carolina

South Carolina

Virginia

West Virginia

Colorado

New Mexico

Utah

Wyoming

Alabama

Georgia

Northern Florida -- the counties of Alachua, Baker, Bay, Bradford, Calhoun, Citrus, Clay, Columbia, Dixie, Duval, Escambia, Flagler, Franklin, Gadsden, Gilchrist, Gulf, Hamilton, Hernando, Holmes, Jackson, Jefferson, Lafayette, Lake, Leon, Levy, Liberty, Madison, Marion, Nassau, Okaloosa, Orange, Putnam, Santa Rosa, Seminole, St Johns, Sumter, Suwannee, Taylor, Union, Volusia, Wakulla, Walton, Washington

Southern Florida -- the counties of Brevard, Broward, Collier, Dade, Glades, Hendry, Indian River, Lee, Martin, Monroe, Okeechobee, Osceola, Palm Beach and St. Lucie

West Central Florida -- the counties of Charlotte, DeSoto, Hardee, Highlands, Hillsborough, Manatee, Pasco, Pinellas, Polk, and Sarasota

Puerto Rico

US Virgin Islands

Arizona

Los Angeles

Orange -- the California counties of Inyo, Orange, Riverside and San Bernardino

San Diego -- the California counties of Imperial and San Diego

Santa Barbara -- the California counties of San Luis Obispo, Santa Barbara and Ventura

North Texas -- the counties of Anderson, Archer, Baylor, Bell, Bosque, Bowie, Brown, Camp, Cass, Cherokee, Clay, Collin, Comanche, Cooke, Coryell, Dallas, Delta, Denton, Eastland, Ellis, Erath, Falls, Fannin, Franklin, Freestone, Grayson, Gregg, Hamilton, Harrison, Henderson, Hill, Hood, Hopkins, Hunt, Jack, Johnson, Kaufman, Lamar, Lampasas, Limestone, McLennan, Marion, Mills, Montague, Morris, Nacogdoches, Navarro, Palo Pinto, Panola, Parker, Rains, Red River, Rockwall, Rusk, Shelby, Smith, Somervell, Stephens, Tarrant, Throckmorton, Titus, Upshur, Van Zandt, Wichita, Wilbarger, Wise, Wood, Young

Oklahoma

South Texas -- the counties of Angelina, Aransas, Atascosa, Austin, Bandera, Bastrop, Bee, Bexar, Blanco, Brazoria, Brazos, Brooks, Burleson, Burnet, Caldwell, Calhoun, Cameron, Chambers, Colorado, Comal, Concho, DeWitt, Dimmit, Duval, Edwards, Fayette, Fort Bend, Frio, Galveston, Gillespie, Goliad, Gonzales, Grimes, Guadalupe, Hardin, Harris, Hays, Hidalgo, Houston, Jackson, Jasper, Jefferson, Jim Hogg, Jim Wells, Karnes, Kendall, Kenedy, Kerr, Kimble, Kinney, Kleberg, La Salle, Lavaca, Lee, Leon, Liberty, Live Oak, Llano, Madison, Mason, Matagorda, Maverick, McCulloch, McMullen, Medina, Menard, Milam, Montgomery, Newton, Nueces, Orange, Polk, Real, Refugio, Robertson, Sabine, San Augustine, San Jacinto, San Patricio, San Saba, Starr, Travis, Trinity, Tyler, Uvalde, Val Verde, Victoria, Walker, Waller, Washington, Webb, Wharton, Willacy, Williamson, Wilson, Zapata, Zavala

West Texas -- the counties of Andrews, Armstrong, Bailey, Borden, Brewster, Briscoe, Callahan, Carson, Castro, Childress, Cochran, Coke, Coleman, Collingsworth, Cottle, Crane, Crockett, Crosby, Culberson, Dallam, Dawson, Deaf Smith, Dickens, Donley, Ector, El Paso, Fisher, Floyd, Foard, Gaines, Garza, Glasscock, Gray, Hale, Hall, Hansford, Hardeman, Hartley, Haskell, Hemphill, Hockley, Howard, Hudspeth, Hutchinson, Irion, Jeff Davis, Jones, Kent, King, Knox, Lamb, Lipscomb, Loving, Lubbock, Lynn, Martin, Midland, Mitchell, Moore, Motley, Nolan, Ochiltree, Oldham, Parmer, Pecos, Potter, Presidio, Randall, Reagan, Reeves, Roberts, Runnels, Schleicher, Scurry, Shackelford, Sherman, Sterling, Stonewall, Sutton, Swisher, Taylor, Terrell, Terry, Tom Green, Upton, Ward, Wheeler, Winkler, Yoakum