PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-05:28:10
G01     123.8          12.4                8.4 +/-    2.82      22.1 +/-    2.82  0.040 / 0.030
G07     59.4           69.0                8.0 +/-    0.53       8.5 +/-    0.53  0.040 / 0.040
G08     49.7           38.8                6.8 +/-    1.55      10.1 +/-    1.55  0.060 / 0.060
G09     175.8          32.5                9.1 +/-    1.16      15.1 +/-    1.16  0.080 / 0.060
G11     119.8          37.1                8.4 +/-    1.29      12.9 +/-    1.29  0.030 / 0.040
G13     320.2          14.2                3.6 +/-    1.40       9.2 +/-    1.40  0.030 / 0.030
G17     199.6          15.7                7.5 +/-    1.33      18.3 +/-    1.33  0.190 / 0.280
G28     270.1          47.3                7.3 +/-    2.61       9.5 +/-    2.61  0.220 / 0.260
G30     330.3          59.5                7.1 +/-    0.88       8.1 +/-    0.88  0.120 / 0.100