PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-03:57:40
G01     270.1          41.0                5.2 +/-    1.65       7.4 +/-    1.65  0.040 / 0.050
G03     315.7          27.9                2.1 +/-    2.13       3.8 +/-    2.13  0.050 / 0.050
G10     130.0          16.3                4.6 +/-    0.98      11.1 +/-    0.98  0.070 / 0.090
G11     248.7          19.8                4.8 +/-    4.26      10.6 +/-    4.26  0.050 / 0.080
G14     43.1           50.3                4.2 +/-    0.81       5.3 +/-    0.81  0.130 / 0.290
G18     233.1          38.7                5.9 +/-    1.74       8.8 +/-    1.74  0.130 / 0.250
G22     313.9          50.7                4.3 +/-    0.43       5.3 +/-    0.43  0.040 / 0.050
G25     51.1           16.0                3.0 +/-    2.53       7.3 +/-    2.53  0.040 / 0.060
G31     52.7           71.0                5.3 +/-    0.38       5.6 +/-    0.38  0.090 / 0.230
G32     65.6           30.6                4.1 +/-    0.74       7.1 +/-    0.74  0.080 / 0.140