PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-07:12:30
G02     212.7          59.5                6.8 +/-    0.69       7.8 +/-    0.69  0.060 / 0.080
G06     68.8           76.8                6.0 +/-    0.40       6.1 +/-    0.40  0.100 / 0.080
G12     317.3          34.7                3.4 +/-    2.57       5.5 +/-    2.57  0.040 / 0.050
G17     54.6           33.6                5.1 +/-    2.01       8.2 +/-    2.01  0.050 / 0.050
G19     37.3           49.7                4.5 +/-    1.33       5.7 +/-    1.33  0.080 / 0.220
G24     271.5          41.4                6.7 +/-    3.17       9.5 +/-    3.17  0.090 / 0.200
G28     117.4          24.3                8.7 +/-    1.65      17.3 +/-    1.65  0.050 / 0.050