def nearby(radius = Settings.nearby_radius, num = Settings.nearby_users)
if home_lon && home_lat
gc = OSM::GreatCircle.new(home_lat, home_lon)
def nearby(radius = Settings.nearby_radius, num = Settings.nearby_users)
if home_lon && home_lat
gc = OSM::GreatCircle.new(home_lat, home_lon)