PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-15:13:00
G01     224.2          15.6                9.5 +/-    3.18      23.2 +/-    3.18  0.260 / 0.210
G03     272.1          71.8                8.8 +/-    0.38       9.2 +/-    0.38  0.170 / 0.340
G14     88.6           22.1                6.9 +/-    1.14      14.5 +/-    1.14  0.090 / 0.200
G16     150.9          44.1                9.3 +/-    1.67      12.7 +/-    1.67  0.100 / 0.240
G22     201.7          66.6                8.9 +/-    0.34       9.6 +/-    0.34  0.040 / 0.040
G23     308.5          38.3                6.8 +/-    1.59      10.1 +/-    1.59  0.040 / 0.040
G26     100.1          55.6                8.2 +/-    0.73       9.7 +/-    0.73  0.040 / 0.030
G31     45.7           31.9                6.8 +/-    1.20      11.4 +/-    1.20  0.040 / 0.040