PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-15:27:50
G01     219.6          10.9                9.4 +/-   15.23      25.6 +/-   15.23  0.200 / 0.420
G03     247.5          71.6                8.6 +/-    0.39       9.0 +/-    0.39  0.190 / 0.350
G09     298.9          12.5                2.2 +/-   25.51       5.8 +/-   25.51  0.400 / 0.230
G14     94.2           17.9                7.7 +/-    1.18      17.7 +/-    1.18  0.160 / 0.230
G16     144.9          50.8                9.8 +/-    0.90      12.2 +/-    0.90  0.130 / 0.250
G22     194.6          59.7                9.9 +/-    0.52      11.3 +/-    0.52  0.130 / 0.260
G23     313.5          43.2                7.7 +/-    1.07      10.7 +/-    1.07  0.040 / 0.040
G26     86.7           56.0                7.6 +/-    0.55       9.0 +/-    0.55  0.030 / 0.040
G31     48.6           26.4                6.2 +/-    3.67      11.8 +/-    3.67  0.040 / 0.050