PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-16:58:00
G01     42.2           18.1                6.0 +/-    0.69      13.7 +/-    0.69  0.150 / 0.370
G06     175.3          35.1               10.6 +/-    1.01      16.7 +/-    1.01  0.150 / 0.320
G13     239.3          24.7                8.6 +/-    1.67      16.9 +/-    1.67  0.040 / 0.090
G15     273.4          13.3                7.8 +/-    1.60      20.1 +/-    1.60  0.060 / 0.110
G17     347.5          74.1                8.6 +/-    0.55       8.9 +/-    0.55  0.070 / 0.190
G19     268.9          68.4                8.6 +/-    0.40       9.1 +/-    0.40  0.080 / 0.160
G24     317.4          16.3                6.2 +/-    5.14      15.0 +/-    5.14  0.030 / 0.040
G28     60.7           52.4                8.7 +/-    0.55      10.7 +/-    0.55  0.030 / 0.040
G30     153.0          28.7               10.8 +/-    0.89      19.5 +/-    0.89  0.040 / 0.040