I am sad to report that Madeira seems to be SK.
Count ID ref1 ref2 kHz Baud City Country Lat Lon km Deg
2 627 654 655 295.0 200 Sanya China 18.283 109.367 13,534 353
11 208 228 248 292.0 100 Cooper Lt South Africa -29.937 31.009 13,527 104
4 203 223 243 301.0 100 Cape Aghulas South Africa -34.838 20.021 12,924 115
6665 100 400 401 296.0 100 Okha [Humani Pt] India 22.481 69.071 12,255 33
4 614 628 629 295.0 200 Shitang China 28.267 121.617 12,216 343
6 152 494 495 310.0 200 Marbat Oman 16.967 54.751 11,971 49
2 630 660 661 288.0 200 Kushiro Saki Japan 42.976 144.387 9,925 331
3 426 652 653 302.0 200 Gilze Rijen Netherlands 51.617 4.933 6,159 48
4 340 480 481 311.5 200 Cabo Carvoeiro Lt Portugal 39.365 -9.411 5,648 67
110 891 282 283 295.0 100 Level Island, AK Alaska 56.467 -133.098 4,415 314
6 342 484 485 308.0 200 Horta Azores 38.533 -28.617 4,122 76
8810 886 272 273 287.0 100 Fort Stevens, OR United States 46.208 -123.96 3,834 297
495 764 210 211 314.0 200 Lincoln, CA United States 38.855 -121.361 3,782 283
16795 907 304 305 320.0 200 Richmond, BC Canada 49.114 -123.183 3,753 302
23 888 276 277 302.0 100 Whidbey Island, WA United States 48.322 -122.706 3,721 300
14 881 262 263 302.0 100 Point Loma, CA United States 32.677 -117.25 3,666 271
539 871 172 173 300.0 100 Appleton, WA United States 45.792 -121.332 3,637 296
3046 972 901 902 302.0 200 Miraflores Panama 8.993 -79.585 3,425 185
29558 971 903 904 307.0 200 Gatun Panama 9.261 -79.937 3,398 186
1233 946 344 345 299.0 200 Rigolet, NL Canada 54.25 -58.5 2,127 34
18902 944 342 343 310.0 200 Cape Norman, NL Canada 51.509 -55.831 2,091 44
5324 940 338 339 315.0 200 Cape Race, NL Canada 46.661 -53.075 2,076 60
28826 828 246 247 301.0 100 Angleton, TX United States 29.301 -95.484 2,046 241
38381 942 340 341 288.0 200 Cape Ray, NL Canada 47.636 -59.241 1,671 52
45678 808 016 017 314.0 200 Card Sound, FL United States 25.442 -80.452 1,619 193
107 814 028 029 293.0 200 English Turn, LA United States 29.886 -89.947 1,608 231
6666 830 100 101 296.0 100 Wisconsin, Point WI United States 46.708 -92.025 1,444 308
45428 925 320 321 313.0 200 Moise, QC Canada 50.202 -66.119 1,443 32
6308 934 336 337 307.0 200 Fox Island, NS Canada 45.361 -61.097 1,442 59
28379 827 244 245 312.0 200 Tampa, FL United States 27.85 -82.543 1,414 203
414 809 018 019 289.0 100 Cape Canaveral, FL United States 28.467 -80.554 1,292 196
1162 936 332 333 319.0 200 Point Escuminac, NB Canada 47.075 -64.8 1,278 46
3 865 160 161 320.0 200 Millers Ferry, AL United States 32.095 -87.397 1,262 231
28527 831 102 103 298.0 100 Upper Keweenaw, MI United States 47.233 -88.628 1,257 316
932 937 330 331 298.0 200 Hartlen Point, NS Canada 44.583 -63.45 1,238 60
11476 935 334 335 312.0 200 Western Head, NS Canada 43.993 -64.67 1,124 61
39921 939 326 327 295.0 200 Partridge Island, NB Canada 45.239 -66.056 1,085 52
40330 926 318 319 300.0 200 Riviere du Loop, QC Canada 47.762 -69.606 1,073 31
50151 777 218 219 304.0 200 Mequon, WI United States 43.202 -88.066 1,002 296
49793 927 316 317 309.0 200 Lauzon, QC Canada 46.821 -71.165 920 29
13383 836 112 113 292.0 200 Cheboygan, MI United States 45.656 -84.475 901 320
49630 799 044 045 290.0 200 Penobscot, ME United States 44.453 -68.776 858 49
17198 778 192 193 292.0 100 Kensington, SC United States 33.491 -79.349 723 198
32297 929 312 313 296.0 200 St Jean Richelieu, QC Canada 45.324 -73.317 693 24
8510 918 310 311 286.0 200 Wiarton, ON Canada 44.75 -81.117 656 330
47703 838 116 117 319.0 200 Detroit, MI United States 42.306 -83.103 590 301
7026 919 308 309 306.0 200 Cardinal, ON Canada 44.783 -75.417 579 12
37895 772 198 199 306.0 200 Acushnet, MA United States 41.749 -70.889 561 64
50177 844 094 095 324.0 200 Hudson Falls, NY United States 43.272 -73.542 489 35
31320 839 118 119 322.0 100 Youngstown, NY United States 43.239 -78.972 427 338
31595 803 006 007 293.0 100 Moriches, NY United States 40.794 -72.756 378 70
29494 806 012 013 289.0 100 Driver, VA United States 36.963 -76.562 307 173
36547 804 008 009 286.0 200 Sandy Hook, NJ United States 40.475 -74.02 266 70