PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/26-14:27:40
G01     320.0          15.1                2.2 +/-    3.50       5.5 +/-    3.50  0.040 / 0.080
G08     263.2          14.6                4.9 +/-    1.30      12.2 +/-    1.30  0.050 / 0.080
G10     74.2           55.3                4.5 +/-    0.43       5.4 +/-    0.43  0.160 / 0.260
G11     308.2          19.2                5.3 +/-    1.39      11.9 +/-    1.39  0.210 / 0.330
G14     283.0          68.4                5.6 +/-    0.88       6.0 +/-    0.88  0.030 / 0.050
G27     225.5          10.5                6.1 +/-    3.47      16.9 +/-    3.47  0.040 / 0.040
G31     176.1          39.3                7.0 +/-    1.11      10.2 +/-    1.11  0.190 / 0.420
G32     2.9            69.2                5.5 +/-    0.45       5.9 +/-    0.45  0.190 / 0.340