| Islands on the Air |
| Canadian Islands Award Program |
| World Lighthouses on the Air |
| Amateur Radio Lighthouse Society |
| International Lighthouse & Lightship Weekend |
| ITU Regions and Zones Map |
| Maidenhead Grid Locator |
| ARRL Call and District Map |
| CQ Zone Map |
| Azimuthal Equidistant Map |
| World Time Zone Map |