For more on the Maidenhead geolocator system, see this article.
More radio resources.
| City | Latitude | Longitude | Maidenhead |
| Tokyo | 35.67 | 139.77 | PM95vq |
| Delhi | 28.67 | 77.21 | ML88oq |
| Shanghai | 31.23 | 121.47 | PM01rf |
| São Paulo | -23.53 | -46.63 | GG66ql |
| Mexico City | 19.43 | -99.14 | EK09kk |
| Mumbai | 18.96 | 72.82 | MK68jx |
| Beijing | 39.93 | 116.40 | OM89ew |
| Dhaka | 23.70 | 90.39 | NL53eq |
| Osaka | 34.68 | 135.50 | PM74sq |
| New York | 40.66 | -73.94 | FN30ap |
| Karachi | 24.86 | 67.01 | ML34mu |
| Buenos Aires | -34.61 | -58.37 | GF05tj |
| Chongqing | 29.57 | 106.58 | OL39gn |
| Istanbul | 41.10 | 29.00 | KN41mc |
| Kolkata | 22.57 | 88.36 | NL42en |
| Manila | 14.60 | 120.98 | PK04lo |
| Lagos | 6.45 | 3.47 | JJ16rk |
| Rio de Janeiro | -22.91 | -43.20 | GG87jc |
| Tianjin | 39.13 | 117.20 | OM89od |
| Kinshasa | -4.31 | 15.32 | JI75pq |
| Guangzhou | 23.12 | 113.25 | OL63pc |
| Los Angeles | 34.02 | -118.41 | DM04ta |
| Moscow | 55.75 | 37.62 | KO85ts |
| Shenzhen | 22.55 | 114.10 | OL72bn |
| Lahore | 31.56 | 74.35 | MM71en |
| Bangalore | 12.97 | 77.56 | MK82sx |
| Paris | 48.86 | 2.34 | JN18eu |
| Bogotá | 4.63 | -74.09 | FJ24wp |
| Jakarta | -6.18 | 106.83 | OI33jt |
| Chennai | 13.09 | 80.27 | NK03dc |
| Lima | -12.04 | -77.03 | FH17lw |
| Bangkok | 13.73 | 100.50 | OK03gr |
| Seoul | 37.57 | 127.00 | PM37mn |
| Nagoya | 35.15 | 136.91 | PM85kd |
| Hyderabad | 17.40 | 78.48 | MK97fj |
| London | 51.50 | -0.12 | IO91wm |
| Tehran | 35.67 | 51.43 | LM55rq |
| Chicago | 41.84 | -87.68 | EN61du |
| Chengdu | 30.67 | 104.07 | OM20aq |
| Nanjing | 32.05 | 118.78 | OM92jb |
| Wuhan | 30.58 | 114.27 | OM70dn |
| Ho Chi Minh City | 10.78 | 106.69 | OK30is |
| Luanda | -8.82 | 13.24 | JI61oe |
| Ahmedabad | 23.03 | 72.58 | ML63ga |
| Kuala Lumpur | 3.16 | 101.71 | OJ03ud |
| Hong Kong | 22.28 | 114.15 | OL72bg |
| Dongguan | 23.05 | 113.73 | OL63ub |
| Hangzhou | 30.25 | 120.17 | PM00cg |
| Foshan | 23.03 | 113.12 | OL63na |
| Shenyang | 41.8 | 123.45 | PN11rt |
| Riyadh | 24.65 | 46.77 | LL34jp |
| Baghdad | 33.33 | 44.44 | LM23fh |
| Santiago | -33.46 | -70.64 | FF46qm |
| Surat | 21.20 | 72.82 | ML61je |
| Madrid | 40.42 | -3.71 | IN80dk |
| Suzhou | 31.30 | 120.6 | PM01hh |
| Pune | 18.53 | 73.84 | MK68wm |
| Harbin | 45.75 | 126.65 | PN35hs |
| Houston | 29.78 | -95.39 | EL29hs |
| Dallas | 32.79 | -96.77 | EM12ot |
| Toronto | 43.65 | -79.38 | FN03hp |
| Dar es Salaam | -6.82 | 39.28 | KI93pe |
| Miami | 25.78 | -80.21 | EL95vs |
| Belo Horizonte | -19.92 | -43.94 | GH80ab |
| Singapore | 1.30 | 103.85 | OJ11wh |
| Philadelphia | 40.01 | -75.13 | FN20ka |
| Atlanta | 33.76 | -84.42 | EM73ss |
| Fukuoka | 33.59 | 130.41 | PM53eo |
| Khartoum | 15.58 | 32.52 | KK65gn |
| Barcelona | 41.40 | 2.17 | JN11cj |
| Johannesburg | -26.19 | 28.04 | KG43at |
| Saint Petersburg | 59.93 | 30.32 | KO59dw |
| Qingdao | 36.07 | 120.32 | PM06db |
| Dalian | 38.92 | 121.65 | PM08tw |
| Washington | 38.90 | -77.02 | FM18lv |
| Yangon | 16.79 | 96.15 | NK86bs |
| Alexandria | 31.22 | 29.95 | KM41xf |
| Jinan | 36.67 | 117.00 | OM86mq |
