PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-04:42:30
G01     122.2          15.4                6.4 +/-    1.13      15.7 +/-    1.13  0.040 / 0.030
G07     74.6           66.8                5.5 +/-    0.53       6.0 +/-    0.53  0.040 / 0.040
G08     45.6           32.2                3.1 +/-    0.29       5.2 +/-    0.29  0.120 / 0.260
G09     175.2          27.2                6.8 +/-    1.22      12.6 +/-    1.22  0.090 / 0.270
G11     109.2          38.7                5.7 +/-    0.85       8.5 +/-    0.85  0.030 / 0.040
G13     319.1          16.9                2.3 +/-    1.71       5.5 +/-    1.71  0.020 / 0.040
G17     199.7          23.2                6.1 +/-    2.09      12.5 +/-    2.09  0.060 / 0.130
G28     283.5          54.6                5.8 +/-    0.92       6.9 +/-    0.92  0.080 / 0.130
G30     337.8          64.4                4.2 +/-    0.53       4.6 +/-    0.53  0.040 / 0.070