PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-06:58:00
G01     319.8          16.7                2.6 +/-    3.03       6.1 +/-    3.03  0.190 / 0.350
G08     260.8          14.7                5.9 +/-    1.04      14.9 +/-    1.04  0.160 / 0.330
G10     76.6           53.3                3.6 +/-    0.59       4.4 +/-    0.59  0.120 / 0.190
G11     305.1          21.9                2.5 +/-    1.54       5.3 +/-    1.54  0.100 / 0.160
G14     288.8          70.4                3.9 +/-    0.53       4.1 +/-    0.53  0.040 / 0.030
G18     306.4          39.8                4.4 +/-    0.43       6.4 +/-    0.43  0.040 / 0.040
G20     103.3          30.9                5.1 +/-    0.67       8.8 +/-    0.67  0.050 / 0.050
G27     226.7          11.0                3.7 +/-    2.90      10.2 +/-    2.90  0.050 / 0.060
G31     176.0          39.5                6.2 +/-    0.85       9.1 +/-    0.85  0.070 / 0.220
G32     353.2          70.9                3.9 +/-    0.75       4.2 +/-    0.75  0.070 / 0.230