nr_beacons ESSID: SNR S N [channel]
  1 00:04:23:66:b2:18: 0 27 27 [1]
  2 00:02:6f:06:d6:19: 0 27 27 [11]
  2 il-nw.rocl.wleiden.net: 0 27 27 [11]
  4 ap-zw.cetim1.wleiden.net: 0 27 27 [11]
  6 00:02:6f:03:53:47: 0 27 27 [3]
 15 il-zo.cetim3.wleiden.net: 0 27 27 [5]
 17 il-zw.cetim2.wleiden.net: 0 27 27 [11]
 17 straat-ap.jasper.wleiden.net: 0 27 27 [6]
 20 omni.jasper.wleiden.net: 17 44 27 [13]
 32 omni.imi0.wleiden.net: 0 27 27 [1]
 64 ap-omni.thomas.wleiden.net: 0 27 27 [3]
 86 ap-omni.rocl.wleiden.net: 0 27 27 [7]