PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-17:43:10
G01     120.0          16.5               14.0 +/-    2.93      33.6 +/-    2.93  0.030 / 0.040
G07     86.9           62.0               11.2 +/-    0.68      12.5 +/-    0.68  0.030 / 0.040
G08     45.6           32.7                8.8 +/-    1.10      14.6 +/-    1.10  0.040 / 0.040
G09     177.9          29.1               11.9 +/-    1.19      21.3 +/-    1.19  0.040 / 0.040
G11     107.5          39.9               12.5 +/-    0.63      18.1 +/-    0.63  0.060 / 0.070
G13     318.1          19.0               10.1 +/-    2.02      22.9 +/-    2.02  0.100 / 0.090
G17     200.7          22.8               11.1 +/-    2.80      22.9 +/-    2.80  0.130 / 0.240
G18     93.9           20.1               11.7 +/-    1.38      25.7 +/-    1.38  0.140 / 0.260
G28     283.0          53.5               12.2 +/-    2.57      14.8 +/-    2.57  0.120 / 0.180
G30     348.2          69.0               10.9 +/-    1.03      11.6 +/-    1.03  0.100 / 0.230