import numpy as np
data = np.genfromtxt('sn_bound_10deg.txt', skip_header = 7, skip_footer = 3)
lat,lon = -25.439538,149.053418
in_tile = False
i = 0
while(not in_tile):
  #print data[i,0],data[i,1],data[i, 4],data[i, 5],data[i, 2],data[i, 3]
  in_tile = lat >= data[i, 4] and lat <= data[i, 5] and lon >= data[i, 2] and lon <= data[i, 3]
  i += 1

vert = data[i-1, 0]
horiz = data[i-1, 1]
print('Vertical Tile:', vert, 'Horizontal Tile:', horiz)