Num cities: list (2-byte zero-based item count)
  Numchars: 2-byte integer (decimal)
  Latitude: 4-byte integer (hex)
  Longitude: 4-byte integer (hex)
  GMT Diff.: 4-byte integer (decimal)
  abc: 4-byte integer (decimal)
  City Name: pstring (1-byte length)
  abc: (align to 2-byte boundary)