PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-07:42:40
G01     43.2           19.1                2.5 +/-    1.54       5.6 +/-    1.54  0.080 / 0.230
G06     174.8          32.9                6.7 +/-    1.14      11.0 +/-    1.14  0.140 / 0.190
G11     43.9           11.9                2.6 +/-    1.43       6.9 +/-    1.43  0.160 / 0.240
G13     241.5          26.7                8.0 +/-    1.83      15.0 +/-    1.83  0.130 / 0.260
G15     274.7          14.3                4.0 +/-    2.28      10.1 +/-    2.28  0.060 / 0.110
G17     345.6          75.4                5.8 +/-    1.03       6.0 +/-    1.03  0.060 / 0.110
G19     262.8          67.8                5.7 +/-    1.09       6.1 +/-    1.09  0.200 / 0.310
G24     318.3          12.7                1.4 +/-    2.61       3.8 +/-    2.61  0.210 / 0.410
G28     52.7           55.3                4.4 +/-    0.55       5.2 +/-    0.55  0.040 / 0.070
G30     153.8          37.0                6.7 +/-    1.02      10.2 +/-    1.02  0.040 / 0.060