PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/30-22:12:50
G01     59.4           30.1                9.1 +/-    0.86      15.9 +/-    0.86  0.110 / 0.140
G07     141.7          17.0               10.6 +/-    0.98      25.2 +/-    0.98  0.090 / 0.140
G11     47.3           22.5                6.9 +/-    2.42      14.4 +/-    2.42  0.050 / 0.100
G13     261.3          35.7               11.0 +/-    1.79      17.3 +/-    1.79  0.080 / 0.100
G15     292.8          16.6                7.3 +/-    1.68      17.5 +/-    1.68  0.050 / 0.040
G17     263.2          78.0               10.9 +/-    0.38      11.1 +/-    0.38  0.060 / 0.050
G18     40.4           10.7                8.4 +/-    2.86      23.1 +/-    2.86  0.100 / 0.060
G19     232.3          51.0               11.4 +/-    2.00      14.2 +/-    2.00  0.090 / 0.060
G28     29.5           58.5                8.0 +/-    0.74       9.2 +/-    0.74  0.040 / 0.040
G30     143.8          51.1               12.3 +/-    0.59      15.3 +/-    0.59  0.040 / 0.040