PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-20:58:00
G01     107.7          24.7               10.8 +/-    1.36      21.3 +/-    1.36  0.030 / 0.030
G07     108.6          53.8               10.5 +/-    0.74      12.7 +/-    0.74  0.030 / 0.040
G08     41.7           19.9                6.8 +/-    2.20      15.0 +/-    2.20  0.190 / 0.290
G09     175.5          15.6               12.7 +/-    1.90      31.2 +/-    1.90  0.160 / 0.240
G11     88.3           42.8                9.4 +/-    0.56      13.0 +/-    0.56  0.060 / 0.160
G13     310.1          28.7                9.3 +/-    1.00      16.7 +/-    1.00  0.070 / 0.140
G17     204.3          38.1               13.5 +/-    0.94      20.2 +/-    0.94  0.050 / 0.050
G18     78.5           23.4                8.8 +/-    1.49      17.9 +/-    1.49  0.050 / 0.050
G28     308.0          59.1               10.1 +/-    1.06      11.6 +/-    1.06  0.030 / 0.030
G30     22.5           77.9               10.7 +/-    0.71      10.9 +/-    0.71  0.030 / 0.030