PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-06:12:50
G01     79.2           33.2                4.2 +/-    0.54       6.9 +/-    0.54  0.030 / 0.030
G07     132.9          35.5                6.3 +/-    0.93       9.9 +/-    0.93  0.030 / 0.040
G11     57.7           34.0                3.3 +/-    0.82       5.3 +/-    0.82  0.070 / 0.130
G13     283.0          38.2                5.1 +/-    1.39       7.7 +/-    1.39  0.090 / 0.120
G15     310.2          12.2                3.1 +/-    2.78       8.3 +/-    2.78  0.030 / 0.080
G17     222.7          65.5                8.1 +/-    0.96       8.9 +/-    0.96  0.040 / 0.070
G19     219.2          32.9                6.5 +/-    1.56      10.7 +/-    1.56  0.040 / 0.040
G28     2.9            61.1                4.7 +/-    0.53       5.2 +/-    0.53  0.040 / 0.050
G30     125.8          70.2                6.4 +/-    0.49       6.8 +/-    0.49  0.040 / 0.070