PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-01:42:40
G08     303.3          21.7                8.0 +/-    1.70      16.9 +/-    1.70  0.030 / 0.060
G10     340.4          61.1                9.7 +/-    0.44      10.9 +/-    0.44  0.030 / 0.040
G14     221.3          37.6               15.2 +/-    1.23      23.0 +/-    1.23  0.040 / 0.070
G18     45.6           57.7               10.7 +/-    0.59      12.4 +/-    0.59  0.040 / 0.060
G21     138.5          51.4               12.0 +/-    0.75      14.9 +/-    0.75  0.060 / 0.090
G24     69.5           30.1               10.9 +/-    0.70      19.0 +/-    0.70  0.050 / 0.100
G27     266.1          36.3               12.2 +/-    0.99      18.9 +/-    0.99  0.050 / 0.140
G32     228.6          55.6               12.3 +/-    0.63      14.5 +/-    0.63  0.060 / 0.130