PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-15:13:00
G01     84.6           32.2                8.9 +/-    0.84      14.9 +/-    0.84  0.040 / 0.080
G07     129.1          37.6               10.6 +/-    0.48      16.0 +/-    0.48  0.040 / 0.070
G11     63.6           38.5                7.7 +/-    0.46      11.4 +/-    0.46  0.050 / 0.050
G13     289.0          38.1                8.0 +/-    0.93      12.0 +/-    0.93  0.040 / 0.060
G15     312.2          11.8                6.7 +/-    1.16      18.1 +/-    1.16  0.040 / 0.070
G17     216.8          55.2               10.7 +/-    0.93      12.8 +/-    0.93  0.050 / 0.090
G18     58.7           22.5                6.3 +/-    1.08      13.1 +/-    1.08  0.080 / 0.140
G19     215.6          31.8                9.5 +/-    1.11      15.9 +/-    1.11  0.060 / 0.100
G28     344.2          61.6                7.4 +/-    0.72       8.3 +/-    0.72  0.040 / 0.060
G30     118.0          70.8                9.7 +/-    0.81      10.2 +/-    0.81  0.040 / 0.060