PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-11:42:30
G01     39.0           13.4                3.1 +/-    4.41       8.0 +/-    4.41  0.330 / 0.220
G06     172.7          42.2                6.3 +/-    0.88       8.8 +/-    0.88  0.140 / 0.290
G13     234.3          21.0                4.5 +/-    1.03       9.7 +/-    1.03  0.030 / 0.020
G15     269.4          11.2                3.8 +/-    0.99      10.3 +/-    0.99  0.030 / 0.020
G17     0.5            70.3                5.3 +/-    0.94       5.6 +/-    0.94  0.040 / 0.030
G19     288.2          71.6                4.6 +/-    0.86       4.9 +/-    0.86  0.040 / 0.030
G24     315.9          19.9                1.8 +/-    2.43       3.9 +/-    2.43  0.110 / 0.290
G28     67.2           51.1                4.6 +/-    0.95       5.7 +/-    0.95  0.090 / 0.340
G30     155.7          26.6                5.4 +/-    0.97      10.1 +/-    0.97  0.080 / 0.120