PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/14-00:12:30
G02     203.5          38.6               14.3 +/-    0.71      21.3 +/-    0.71  0.310 / 0.100
G06     155.7          71.7               11.7 +/-    0.61      12.3 +/-    0.61  0.150 / 0.070
G12     308.9          16.8                9.3 +/-    3.99      22.1 +/-    3.99  0.040 / 0.020
G17     33.9           51.1                8.2 +/-    0.99      10.2 +/-    0.99  0.030 / 0.010
G19     4.9            64.1               10.0 +/-    0.43      11.0 +/-    0.43  0.130 / 0.050
G24     295.4          39.1               11.3 +/-    3.63      16.7 +/-    3.63  0.100 / 0.050
G28     105.1          29.2               11.8 +/-    0.80      21.0 +/-    0.80  0.100 / 0.130