PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-15:28:00
G01     83.1           32.4                9.3 +/-    0.79      15.5 +/-    0.79  0.040 / 0.090
G07     130.1          36.4               10.7 +/-    0.88      16.5 +/-    0.88  0.040 / 0.080
G11     62.3           37.8                7.5 +/-    0.54      11.3 +/-    0.54  0.040 / 0.060
G13     287.5          38.3                8.5 +/-    1.13      12.7 +/-    1.13  0.040 / 0.070
G15     311.2          12.4                7.4 +/-    1.80      19.7 +/-    1.80  0.050 / 0.100
G17     217.9          56.6               10.2 +/-    0.77      12.0 +/-    0.77  0.050 / 0.080
G18     57.4           22.1                5.8 +/-    0.89      12.1 +/-    0.89  0.060 / 0.100
G19     216.3          33.0               11.2 +/-    1.06      18.5 +/-    1.06  0.070 / 0.110
G28     346.8          61.6                7.7 +/-    0.61       8.6 +/-    0.61  0.040 / 0.050
G30     120.7          69.6                9.7 +/-    0.68      10.2 +/-    0.68  0.040 / 0.050