PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-07:27:50
G02     201.9          28.2                7.4 +/-    1.11      13.5 +/-    1.11  0.030 / 0.030
G06     168.1          61.8                9.9 +/-    0.36      11.1 +/-    0.36  0.040 / 0.040
G12     303.9          10.7               -6.3 +/-    7.29     -17.4 +/-    7.29  0.130 / 0.190
G17     33.2           51.3                5.9 +/-    1.10       7.4 +/-    1.10  0.060 / 0.090
G19     340.0          68.8                5.1 +/-    0.39       5.5 +/-    0.39  0.080 / 0.080
G24     300.0          38.5                4.9 +/-    3.24       7.3 +/-    3.24  0.030 / 0.050
G28     95.4           36.7                9.5 +/-    0.87      14.6 +/-    0.87  0.030 / 0.040