PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-02:28:10
G01     223.6          16.1               10.2 +/-    3.48      24.8 +/-    3.48  0.130 / 0.250
G03     287.5          67.6                8.4 +/-    0.49       9.1 +/-    0.49  0.170 / 0.290
G14     85.6           26.1                2.9 +/-    1.88       5.6 +/-    1.88  0.090 / 0.160
G16     143.2          46.0               10.8 +/-    0.72      14.4 +/-    0.72  0.080 / 0.140
G22     220.1          70.0                8.8 +/-    0.60       9.3 +/-    0.60  0.040 / 0.070
G23     308.9          39.3                7.2 +/-    1.18      10.5 +/-    1.18  0.040 / 0.070
G26     94.8           54.0                8.8 +/-    0.64      10.6 +/-    0.64  0.030 / 0.030
G31     46.3           30.0                6.3 +/-    1.49      11.0 +/-    1.49  0.030 / 0.040