PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-06:58:10
G01     113.1          20.4                6.6 +/-    1.00      14.4 +/-    1.00  0.030 / 0.030
G07     92.7           63.0                5.5 +/-    0.63       6.1 +/-    0.63  0.030 / 0.030
G08     43.6           28.6                3.2 +/-    2.67       5.7 +/-    2.67  0.190 / 0.270
G09     174.9          20.2                5.1 +/-    3.82      11.1 +/-    3.82  0.170 / 0.240
G11     103.3          43.1                7.4 +/-    1.02      10.2 +/-    1.02  0.060 / 0.080
G13     314.7          24.3                3.8 +/-    1.43       7.6 +/-    1.43  0.120 / 0.070
G17     202.3          28.0                6.1 +/-    2.00      11.1 +/-    2.00  0.030 / 0.030
G28     289.3          54.2                4.6 +/-    1.81       5.6 +/-    1.81  0.040 / 0.040
G30     348.4          70.9                4.9 +/-    0.47       5.2 +/-    0.47  0.080 / 0.070