PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/03-07:58:00
G07     43.5           69.5                5.6 +/-    0.56       5.9 +/-    0.56  0.110 / 0.260
G08     52.3           40.6                4.6 +/-    1.00       6.7 +/-    1.00  0.190 / 0.360
G09     174.0          34.8                6.6 +/-    0.93      10.6 +/-    0.93  0.040 / 0.060
G11     120.7          33.4                7.3 +/-    0.69      11.9 +/-    0.69  0.040 / 0.040
G17     198.8          12.8                3.4 +/-    2.56       8.8 +/-    2.56  0.030 / 0.040
G18     105.7          14.7                6.1 +/-    1.66      15.3 +/-    1.66  0.030 / 0.030
G23     161.2          12.4                3.8 +/-    1.29      10.2 +/-    1.29  0.080 / 0.120
G27     38.1           11.5                2.8 +/-    1.17       7.6 +/-    1.17  0.070 / 0.090
G28     269.2          49.9                5.3 +/-    1.12       6.7 +/-    1.12  0.060 / 0.080
G30     326.7          56.0                4.1 +/-    0.92       4.8 +/-    0.92  0.070 / 0.080