Ghana and (southern) Nigeria, where this guy has been, are among the most urbanized parts of the continent. There are a lot of dense conurbations and they are

Ghana and (southern) Nigeria, where this guy has been, are among the most urbanized parts of the continent. There are a lot of dense conurbations and they are fairly close to one another. That's obviously relevant for cell service. Many parts of e.g. east and central Africa have lower-density settlement patterns that may be tougher to cover.