ROCK-RAPIDS

OSAGE

KEOSAUQUA

Iowa City

Fort Madison

COLUMBUS JUNCT 2 SSW

BELLE-PLAINE

MARSHALLTOWN

IOWA CITY MUNICIPAL AP

WASHINGTON

SIGOURNEY

SIOUX-CITY-WSO-AP

Sioux City Area

CHEROKEE

MOUNT-PLEASANT

ANAMOSA 3 SSW

Estherville 4E

GREENFIELD

SIOUX CITY ANG

FAIRFIELD

Burlington Airport

LITTLE SIOUX 2NW

MUSCATINE 2N

NEWTON

RED-OAK

ESTHERVILLE MUNICIPAL AP

Donnellson

LOGAN

WINTERSET

MUSCATINE

ALLISON

MASON CITY MUNICIPAL AP

Mason City Area

DAVENPORT WFO

TOLEDO

STANLEY

BEACONSFIELD

DES MOINES WSFO-JOHNSTON

Allerton

GRUNDY-CENTER

WILLIAMSBURG

Creston

KEOKUK LOCK DAM 19

VINTON

Cedar Rapids Airport

FOREST-CITY

Cedar Rapids Area

Waterloo Area

WATERLOO

LOWDEN

Ottumwa

Le Claire L&D 14

CORNING

POCAHONTAS

DUBUQUE-LOCK-AND-DAM

SIOUX CENTER 2 SE

BURLINGTON

CHARITON

Boone

OELWEIN 1E

HOLSTEIN 5 NNW

CHARLES-CITY

Mason City

SAC-CITY

OSKALOOSA

MAPLETON NO. 2

GUTHRIE-CENTER

MOUNT-AYR

FORT-DODGE

PRIMGHAR

JEFFERSON

MARSHALLTOWN MUNICIPAL AP

Des Moines Airport

Des Moines Area

IOWA-FALLS

Le Mars

Oelwein Area

NORTHWOOD

Dubuque Area

Dubuque Airport

Emmetsburg

WAUKON

AMES 5 SE

ALGONA

Ames Area

Milford

AMES MUNICIPAL AP

BATTLE CREEK 3NE

SIOUX-RAPIDS

Postville

SPIRIT LAKE

CENTERVILLE

PERRY

Ida Grove Area

CLARINDA

WEBSTER-CITY

Spencer

SANBORN

NEW-HAMPTON

Elkader 6SSW (Osborn)

LAMONI

Spencer Area

SWEA CITY 4 W

RATHBUN DAM

CASCADE

AUDUBON

Lamoni

FAYETTE

DENISON