| Stationen: 2874
|
Bedeckung |
Untergrenze |
| Monroe Regional Airport (24 m, Louisiana) |
0 |
|
| Chanute Martin Johnson Airport (298 m, Kansas) |
2 |
|
| Marianna Municipal Airport (34 m, Florida) |
6 |
|
| Independence Municipal Airport (298 m, Iowa) |
6 |
|
| Wayne Executive Jetport (41 m, North Carolina) |
8 |
|
| Chandler Regional Airport (300 m, Oklahoma) |
0 |
|
| Brookings Regional Airport (502 m, South Dakota) |
8 |
|
| Michael J. Smith Field (3 m, North Carolina) |
8 |
|
| Forest City Flughafen (375 m, Iowa) |
8 |
|
| MBS Intl. Airport (204 m, Michigan) |
8 |
|
| Hannibal Regional Airport (234 m, Missouri) |
0 |
|
| Wilmington Intl. Airport (10 m, North Carolina) |
6 |
300-600m |
| Clinton Airport (157 m, Arkansas) |
0 |
|
| Curtis L. Brown Jr. Field (40 m, North Carolina) |
8 |
|
| Ivujivik Flughafen (42 m, Québec) |
8 |
|
| Spencer Flughafen (408 m, Iowa) |
8 |
|
| Clinton Flughafen (251 m, Missouri) |
0 |
|
| Abingdon (631 m, Virginia) |
4 |
|
| Fort Polk (110 m, Louisiana) |
0 |
|
| Destin (29 m, Florida) |
6 |
|
| Flora (144 m, Illinois) |
0 |
|
| Thomas P. Stafford Airport (489 m, Oklahoma) |
0 |
|
| Charles B. Wheeler Downtown Airport (226 m, Missouri) |
4 |
|
| Red Deer Regional Airport (904 m, Alberta) |
2 |
>2500m |
| Oelwen (328 m, Iowa) |
6 |
|
| Muscatine Municipal Airport (167 m, Iowa) |
0 |
|
| Hampton Roads Executive Airport (7 m, Virginia) |
8 |
|
| Kangiqsualujjuaq Flughafen (60 m, Québec) |
6 |
|
| Somerset County Airport (693 m, Pennsylvania) |
8 |
|
| Monticello Regional Airport (259 m, Iowa) |
6 |
|
| Algona Municipal Airport (372 m, Iowa) |
2 |
|
| Barksdale Air Force Base (51 m, Louisiana) |
2 |
|
| Mountain Home Air Force Base (912 m, Idaho) |
0 |
|
| Ames Flughafen (291 m, Iowa) |
8 |
|
| Claremore Regional Airport (221 m, Oklahoma) |
0 |
|
| Jacksonville Flughafen (190 m, Illinois) |
6 |
|
| Rolla Flughafen (556 m, North Dakota) |
6 |
|
| Whiteman Air Force Base (255 m, Missouri) |
4 |
|
| Waynesville-St. Robert Regional Airport (351 m, Missouri) |
0 |
|
| Ottumwa Regional Airport (256 m, Iowa) |
6 |
|
| Raleigh (766 m, West Virginia) |
8 |
300-600m |
| Mount Pleasant Flughafen (111 m, Texas) |
0 |
|
| Allendale Airport (49 m, South Carolina) |
8 |
|
| Edmonton Int. Airport (707 m, Alberta) |
8 |
>2500m |
| Las Vegas Municipal Airport (2092 m, New Mexico) |
0 |
|
| Robins Air Force Base (90 m, Georgia) |
4 |
|
| Champaign Flughafen (230 m, Illinois) |
8 |
|
| Knox Airport (209 m, Indiana) |
8 |
|
| Shreveport Regional Airport (84 m, Louisiana) |
0 |
>2500m |
| Rankin Inlet Flughafen (29 m, Nunavut) |
7 |
200-300m |
| Elizabeth City Regional Airport (4 m, North Carolina) |
0 |
|
| Gary Flughafen (180 m, Indiana) |
6 |
|
| Ponca (304 m, Oklahoma) |
0 |
|
| Mobile Downtown Airport (8 m, Alabama) |
6 |
|
| Bartow Executive Airport (39 m, Florida) |
8 |
|
| Litchfield Flughafen (347 m, Minnesota) |
6 |
|
| Arviat (10 m, Nunavut) |
0 |
>2500m |
| Alexandria Municipal Airport (432 m, Minnesota) |
6 |
|
| Redwood Falls Muni (312 m, Minnesota) |
6 |
|
| Boca Raton Airport (4 m, Florida) |
6 |
|
| Stan Stamper Municipal Airport (174 m, Oklahoma) |
0 |
|
| Tunica Municipal Airport (59 m, Mississippi) |
2 |
|
| Dickinson Theodore Roosevelt Regional A (787 m, North Dakota) |
0 |
|
| Prairie du Chien Municipal Airport (201 m, Wisconsin) |
4 |
|
| Cape Canaveral Space Force Station (3 m, Florida) |
4 |
|
| Whale Cove Flughafen (20 m, Nunavut) |
2 |
|
| New Smyrna Beach Municipal Airport (3 m, Florida) |
6 |
|
| Campbell Army Airfield (173 m, Kentucky) |
8 |
|
| Tioga Airport (684 m, North Dakota) |
4 |
|
| Douglas Municipal Airport (78 m, Georgia) |
6 |
|
| McComb- Pike County Airport (126 m, Mississippi) |
8 |
|
| Atlanta Flughafen (315 m, Georgia) |
4 |
600-1000m |
| Henderson (117 m, Kentucky) |
8 |
|
| Quincy Flughafen (69 m, Florida) |
6 |
|
| Houma- Terrebonne Airport (3 m, Mississippi) |
6 |
|
| Owensboro (124 m, Kentucky) |
8 |
|
| Southwest Wyoming Regional Airport (2060 m, Wyoming) |
0 |
|
| Nome Flughafen (6 m, Alaska) |
8 |
100-200m |
| Cross City Flughafen (13 m, Florida) |
4 |
1000-1500m |
| Daniel Field (129 m, Georgia) |
6 |
|
| Ainsworth Regional Airport (789 m, Nebraska) |
0 |
|
| Jackson-Evers Intl. Airport (91 m, Mississippi) |
6 |
1000-1500m |
| Macomb Municipal Airport (216 m, Illinois) |
4 |
|
| Kearney Regional Airport (649 m, Nebraska) |
0 |
|
| Olivia Flughafen (328 m, Minnesota) |
6 |
|
| Granite Falls Municipal Airport (319 m, Minnesota) |
6 |
|
| Jamestown Regional Airport (454 m, North Dakota) |
6 |
|
| Marshall Army Airfield (324 m, Kansas) |
0 |
|
| North Platte Regional Airport (849 m, Nebraska) |
0 |
>2500m |
| Waseca Municipal Airport (343 m, Minnesota) |
6 |
|
| Decatur (43 m, Georgia) |
4 |
|
| Galliano Airport (0 m, Louisiana) |
6 |
|
| Elbow Lake (367 m, Minnesota) |
6 |
|
| Watonga Regional Airport (472 m, Oklahoma) |
0 |
|
| Moorhead Municipal Airport (280 m, Minnesota) |
6 |
|
| Hammond Northshore Regional Airport (13 m, Louisiana) |
8 |
|
| Patrick Space Force Base (3 m, Florida) |
2 |
|
| Blanc-Sablon Flughafen (32 m, Québec) |
2 |
>2500m |
| Laurinburg- Maxton Airport (67 m, North Carolina) |
8 |
|
| Thief River Falls Regional Airport (340 m, Minnesota) |
2 |
|
| Williams Lake Flughafen (942 m, British Columbia) |
8 |
1500-2000m |
| Clinton-Sherman Industrial Airpark (586 m, Oklahoma) |
0 |
|
| Wellsboro Flughafen (577 m, Pennsylvania) |
8 |
|
| Ortonville (335 m, Minnesota) |
4 |
|
| Windom (410 m, Minnesota) |
8 |
|
| New Orleans (NAS) (0 m, Louisiana) |
6 |
|
| Marine Corps Air Station Cherry Point (11 m, North Carolina) |
8 |
|
| DeKalb- Peachtree Airport (305 m, Georgia) |
4 |
|
| Comox (26 m, British Columbia) |
8 |
600-1000m |
| Vermilion Regional Airport (212 m, Illinois) |
8 |
|
| Fort Smith Regional Airport (141 m, Arkansas) |
0 |
>2500m |
| Madison (330 m, Minnesota) |
4 |
|
| Melbourne Orlando Intl. Airport (10 m, Florida) |
8 |
|
| McAlester Regional Airport (231 m, Oklahoma) |
2 |
|
| Acadiana Regional Airport (7 m, Louisiana) |
2 |
|
| Davis Field (186 m, Oklahoma) |
0 |
|
| Albertville Regional Airport (315 m, Alabama) |
4 |
|
| Springdale Municipal Airport (412 m, Arkansas) |
0 |
|
| Bob Sikes Airport (65 m, Florida) |
8 |
|
| Aberdeen Flughafen (397 m, South Dakota) |
2 |
1000-1500m |
| Coffeyville Municipal Airport (230 m, Kansas) |
0 |
|
| Walnut Ridge Regional Airport (83 m, Arkansas) |
2 |
|
| Morris Flughafen (344 m, Minnesota) |
4 |
|
| Rugby Flughafen (472 m, North Dakota) |
6 |
|
| Mount Pleasant Municipal Airport (224 m, Iowa) |
4 |
|
| Worthington (480 m, Minnesota) |
8 |
|
| Salem-Leckrone (174 m, Illinois) |
8 |
|
| Devils Lake Regional Airport (443 m, North Dakota) |
4 |
|
| Cobb (317 m, Georgia) |
6 |
|
| Columbus Air Force Base (67 m, Mississippi) |
6 |
|
| Hettinger Municipal Airport (824 m, North Dakota) |
0 |
|
| Statesboro- Bulloch County Airport (57 m, Georgia) |
8 |
|
| Long Prairie Flughafen (394 m, Minnesota) |
8 |
|
| Hurlburt Field (11 m, Florida) |
8 |
|
| Ardmore (257 m, Oklahoma) |
0 |
|
| Glencoe Flughafen (302 m, Minnesota) |
4 |
|
| Blakely Airport (65 m, Georgia) |
6 |
|
| Paynesville Flughafen (360 m, Minnesota) |
6 |
|
| Luverne Municipal Airport (436 m, Minnesota) |
8 |
|
| Canby Flughafen (364 m, Minnesota) |
8 |
|
| St. Louis Downtown Airport (126 m, Illinois) |
0 |
|
| Hickory Regional Airport (348 m, North Carolina) |
8 |
|
| Quincy Regional Airport (232 m, Illinois) |
8 |
|
| Minot Intl. Airport (522 m, North Dakota) |
4 |
|
| Okmulgee Regional Airport (219 m, Oklahoma) |
0 |
|
| Wheaton Municipal Airport (313 m, Minnesota) |
6 |
|
| Chautauqua (525 m, New York) |
8 |
|
| Ithaca Tompkins Regional Airport (335 m, New York) |
8 |
|
| Rantoul National Aviation Center (225 m, Illinois) |
8 |
|
| East Texas Regional Airport (124 m, Texas) |
0 |
|
| Hector Intl. Airport (274 m, North Dakota) |
0 |
>2500m |
| Marine Corps Air Station New River (8 m, North Carolina) |
8 |
|
| Indianapolis Intl. Airport (246 m, Indiana) |
8 |
100-200m |
| Wheeler-Sack Army Airfield (207 m, New York) |
6 |
|
| Detroit Lakes Airport (426 m, Minnesota) |
8 |
|
| Ardmore Municipal Airport (232 m, Oklahoma) |
0 |
|
| Opa-locka Executive Airport (3 m, Florida) |
4 |
|
| Charlottetown - Flughafen (79 m, Prinz-Edward-Inseln) |
6 |
>2500m |
| Cushing Flughafen (279 m, Oklahoma) |
0 |
|
| Launch and Landing Facility (3 m, Florida) |
2 |
|
| Jackson Municipal Airport (441 m, Minnesota) |
8 |
|
| Fairmont Municipal Airport (354 m, Minnesota) |
8 |
|
| Estherville Muni (401 m, Iowa) |
8 |
|
| St. Paul Downtown Airport (219 m, Minnesota) |
4 |
|
| Johnston Flughafen (50 m, North Carolina) |
8 |
|
| Hutchinson Municipal Airport (323 m, Minnesota) |
6 |
|
| Charleston Flughafen (15 m, South Carolina) |
8 |
200-300m |
| Orlando Executive Airport (34 m, Florida) |
8 |
|
| Brainerd Lakes Regional Airport (374 m, Minnesota) |
6 |
|
| Churchill Airport (29 m, Manitoba) |
8 |
100-200m |
| Pompano Beach Flughafen (7 m, Florida) |
4 |
|
| Saginaw (183 m, Michigan) |
8 |
|
| Shelbyville Municipal Airport (245 m, Indiana) |
8 |
|
| San Marcos Regional Airport (182 m, Texas) |
0 |
|
| Hilton Head Airport (7 m, South Carolina) |
6 |
|
| Stillwater Regional Airport (300 m, Oklahoma) |
0 |
|
| Harrison County Airport (109 m, Texas) |
2 |
|
| Orangeburg Municipal Airport (60 m, South Carolina) |
8 |
|
| Fayetteville Flughafen (300 m, Tennessee) |
6 |
|
| North Texas Regional Airport (228 m, Texas) |
0 |
|
| Abbeville Chris Crusta Memorial Airport (5 m, Louisiana) |
0 |
|
| Shreveport Downtown Airport (55 m, Louisiana) |
0 |
|
| Lewis University Airport (231 m, Illinois) |
6 |
|
| Kickapoo Downtown Airport (304 m, Texas) |
0 |
|
| Chennault Intl. Airport (4 m, Louisiana) |
0 |
|
| New Orleans Flughafen (9 m, Louisiana) |
6 |
1000-1500m |
| Altus Air Force Base (413 m, Oklahoma) |
0 |
|
| Kamloops Flughafen (345 m, British Columbia) |
8 |
>2500m |
| Frederick Regional Airport (377 m, Oklahoma) |
0 |
|
| Centralia (163 m, Illinois) |
8 |
|
| Blue Grass Airport (301 m, Kentucky) |
8 |
200-300m |
| Colby Municipal Airport (971 m, Kansas) |
0 |
|
| William H. Morse State Airport (252 m, Vermont) |
6 |
|
| Tri-City Airport (274 m, Kansas) |
0 |
|
| Richmond Intl. Airport (54 m, Virginia) |
8 |
600-1000m |
| Sumter Flughafen (56 m, South Carolina) |
8 |
|
| Elk City Regional Business Airport (610 m, Oklahoma) |
0 |
|
| Concord-Padgett Regional Airport (210 m, North Carolina) |
8 |
|
| Ronald Reagan Washington National Airpo (20 m, Virginia) |
8 |
1000-1500m |
| Villeneuve Airport (270 m, Alberta) |
2 |
>2500m |
| Wilmington Airport (24 m, Delaware) |
0 |
|
| Dodge City Regional Airport (790 m, Kansas) |
0 |
>2500m |
| Tulsa Riverside Airport (193 m, Oklahoma) |
0 |
|
| Philip Airport (673 m, South Dakota) |
0 |
|
| Piedmont Triad Intl. Airport (277 m, North Carolina) |
8 |
600-1000m |
| Sanirajak (8 m, Kalifornien) |
7 |
600-1000m |
| Suffolk Executive Airport (22 m, Virginia) |
8 |
|
| Mobile Regional Airport (67 m, Alabama) |
6 |
600-1000m |
| Chesterfield County Airport (72 m, Virginia) |
8 |
|
| London Madison County Airport (330 m, Ohio) |
6 |
|
| Yeager Airport (299 m, West Virginia) |
8 |
1000-1500m |
| Warren Airport (12 m, North Carolina) |
8 |
|
| Miller Air Park (25 m, New Jersey) |
8 |
|
| Altoona (458 m, Pennsylvania) |
8 |
|
| Eagle Creek Airpark Airport (250 m, Indiana) |
8 |
|
| Cando Airport (450 m, North Dakota) |
4 |
|
| La Crosse Regional Airport (202 m, Wisconsin) |
6 |
|
| Pryor Field Regional Airport (180 m, Alabama) |
8 |
|
| Lytton (225 m, British Columbia) |
4 |
>2500m |
| Charlotte Douglas Intl. Airport (234 m, North Carolina) |
8 |
300-600m |
| Appleton Flughafen (310 m, Wisconsin) |
4 |
|
| Hebron Flughafen (447 m, Nebraska) |
0 |
|
| Huntsville Executive Airport (230 m, Alabama) |
8 |
|
| Alliance Municipal Airport (1198 m, Nebraska) |
0 |
|
| Augusta Regional Airport (45 m, Georgia) |
6 |
600-1000m |
| Searle Field Airport (999 m, Nebraska) |
0 |
|
| Savannah/Hilton Head Flughafen (15 m, Georgia) |
6 |
300-600m |
| Clarksville Flughafen (168 m, Tennessee) |
8 |
|
| Miller Field Airport (792 m, Nebraska) |
0 |
>2500m |
| Middle Georgia Regional Airport (110 m, Georgia) |
4 |
1500-2000m |
| Cairns Army Airfield (91 m, Florida) |
4 |
|
| Columbus Metropolitan Airport (121 m, Georgia) |
6 |
|
| Wichita Falls Regional Airport (314 m, Texas) |
0 |
>2500m |
| Alma/Bacon County (61 m, Georgia) |
6 |
|
| Baxley Airport (61 m, Georgia) |
4 |
|
| Griffin Flughafen (292 m, Georgia) |
0 |
|
| Dallas Love Field (148 m, Texas) |
0 |
|
| Texarkana Regional Airport (119 m, Arkansas) |
0 |
|
| Northwest Arkansas Regional Airport (392 m, Arkansas) |
0 |
|
| Perry Municipal Airport (309 m, Iowa) |
8 |
|
| Stuttgart Municipal Airport (68 m, Arkansas) |
0 |
|
| Grove Municipal Airport (254 m, Oklahoma) |
0 |
|
| Scottsboro Municipal Airport (198 m, Alabama) |
4 |
|
| Lake City Gateway AP (61 m, Florida) |
4 |
|
| Boone (418 m, Arkansas) |
0 |
|
| Halliburton Field (339 m, Oklahoma) |
0 |
|
| Talladega Flughafen (161 m, Alabama) |
8 |
|
| Fayetteville Regional Airport (58 m, North Carolina) |
8 |
|
| Mena Intermountain Municipal Airport (329 m, Arkansas) |
0 |
|
| Yarmouth Airport (46 m, Nova Scotia) |
8 |
1500-2000m |
| Minot Air Force Base (497 m, North Dakota) |
4 |
|
| Rocky Mount- Wilson Regional Airport (48 m, North Carolina) |
8 |
|
| Angel Fire Flughafen (2554 m, New Mexico) |
0 |
|
| Fort Madison (221 m, Iowa) |
0 |
|
| Arnold Palmer Regional Airport (361 m, Pennsylvania) |
6 |
|
| Keokuk Municipal Airport (205 m, Iowa) |
2 |
|
| Iowa City Municipal Airport (198 m, Iowa) |
6 |
|
| Fort Dodge Regional Airport (355 m, Iowa) |
8 |
|
| St. Charles (133 m, Missouri) |
2 |
|
| Dubuque Regional Airport (329 m, Iowa) |
0 |
>2500m |
| Fort Lauderdale-Hollywood Intl. Airport (7 m, Florida) |
6 |
|
| La Porte Municipal Airport (248 m, Indiana) |
8 |
|
| Hall Beach Airport (7 m, Nunavut) |
4 |
|
| Cape Girardeau Regional Airport (102 m, Missouri) |
0 |
|
| Treasure Coast Intl. Airport (7 m, Florida) |
4 |
|
| Pauls Valley Municipal Airport (295 m, Oklahoma) |
0 |
|
| Lambert-Saint Louis Intl. Airport (172 m, Missouri) |
6 |
1000-1500m |
| Springfield (390 m, Missouri) |
0 |
>2500m |
| Thomasville Regional Airport (80 m, Georgia) |
0 |
|
| Gainesville Regional Airport (46 m, Florida) |
8 |
|
| Siler City Muni (187 m, North Carolina) |
8 |
|
| Homerville Airport (57 m, Georgia) |
4 |
|
| Naval Air Station Joint Reserve Base Fo (198 m, Texas) |
0 |
|
| North Perry Airport (3 m, Florida) |
6 |
|
| Fitzgerald Flughafen (111 m, Georgia) |
0 |
|
| Thomaston (243 m, Georgia) |
0 |
|
| Sudbury Airport (348 m, Ontario) |
8 |
1500-2000m |
| Chautauqua (211 m, New York) |
8 |
|
| Southport Airport (8 m, North Carolina) |
8 |
|
| Mount Washington Flughafen (1910 m, New Hampshire) |
nicht erkennbar |
|
| Grissom Air Force Base (247 m, Indiana) |
8 |
|
| Sikorsky Memorial Airport (5 m, Connecticut) |
8 |
50-100m |
| South Bend Airport (236 m, Indiana) |
8 |
200-300m |
| Mexia Limestone County Airport (166 m, Texas) |
0 |
|
| St. Louis Regional Airport (166 m, Illinois) |
0 |
|
| Delaware Coastal Airport (16 m, Delaware) |
8 |
|
| Jacksonville Intl. Airport (11 m, Florida) |
6 |
600-1000m |
| Savannah-hardin County (144 m, Tennessee) |
8 |
|
| Pittsfield (216 m, Illinois) |
6 |
|
| Tampa Intl. Airport (3 m, Florida) |
8 |
1000-1500m |
| Palm Beach Intl. Airport (6 m, Florida) |
6 |
600-1000m |
| Effingham (179 m, Illinois) |
8 |
|
| Daytona Beach Flughafen (38 m, Florida) |
8 |
|
| Olney-Noble (147 m, Illinois) |
8 |
|
| Fairfield Municipal Airport (133 m, Illinois) |
8 |
|
| Coles (220 m, Illinois) |
8 |
|
| Decatur Airport (208 m, Illinois) |
8 |
|
| Fort Lauderdale Flughafen (4 m, Florida) |
6 |
|
| Naval Station Mayport (5 m, Florida) |
8 |
|
| Ocala Intl. Airport (27 m, Florida) |
8 |
|
| Burwash Landing Flughafen (807 m, Yukon) |
4 |
|
| Pensacola Intl. Airport (37 m, Florida) |
8 |
|
| Edgar County Airport (199 m, Illinois) |
8 |
|
| Harrisburg Intl. Airport (94 m, Pennsylvania) |
8 |
|
| Winterhaven (44 m, Florida) |
8 |
|
| Raleigh-Durham Intl. Airport (134 m, North Carolina) |
8 |
300-600m |
| Fairfield County Airport (176 m, South Carolina) |
8 |
|
| Duke Field (57 m, Florida) |
8 |
|
| Cairo Flughafen (98 m, Illinois) |
4 |
|
| Crystal River Airport (3 m, Florida) |
8 |
|
| Plant City Airport (47 m, Florida) |
8 |
|
| MidAmerica St. Louis Airport (135 m, Illinois) |
8 |
|
| Walhalla Flughafen (291 m, North Dakota) |
0 |
|
| Southwest Georgia Regional Airport (59 m, Georgia) |
2 |
|
| Brunswick Golden Isles Airport (8 m, Georgia) |
6 |
|
| Dobbins Air Reserve Base (326 m, Georgia) |
6 |
|
| Henry Tift Myers Airport (108 m, Georgia) |
0 |
|
| Waycross (46 m, Georgia) |
6 |
|
| Dansville Municipal Airport (201 m, New York) |
8 |
|
| Hazlehurst Airport (78 m, Georgia) |
4 |
|
| Beach Airport (840 m, North Dakota) |
0 |
|
| Jimmy Carter Regional Airport (143 m, Georgia) |
4 |
|
| Crisp County (95 m, Georgia) |
6 |
|
| Campbell River Airport (106 m, British Columbia) |
8 |
|
| University Park Airport (378 m, Pennsylvania) |
6 |
|
| Penn Valley Airport (137 m, Pennsylvania) |
6 |
|
| Toledo Executive Airport (189 m, Ohio) |
8 |
|
| Sandspit (6 m, British Columbia) |
2 |
>2500m |
| LaGuardia Airport (9 m, New York) |
8 |
300-600m |
| Buffalo Niagara Intl. Airport (219 m, New York) |
8 |
1000-1500m |
| Greater Binghamton Airport (497 m, New York) |
8 |
300-600m |
| Erie Intl. Airport (225 m, Pennsylvania) |
8 |
1000-1500m |
| Columbia Metropolitan Airport (69 m, South Carolina) |
6 |
600-1000m |
| Artesia Municipal Airport (1081 m, New Mexico) |
0 |
|
Nord - Süd