PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-22:27:40
G01     233.9          26.5               11.3 +/-    2.00      21.4 +/-    2.00  0.040 / 0.040
G03     310.4          55.8                6.9 +/-    0.65       8.1 +/-    0.65  0.030 / 0.050
G14     70.7           36.5                7.1 +/-    0.46      11.0 +/-    0.46  0.070 / 0.130
G16     153.7          32.1                9.7 +/-    1.30      16.2 +/-    1.30  0.070 / 0.140
G22     271.5          74.1                8.1 +/-    0.88       8.4 +/-    0.88  0.060 / 0.170
G23     297.2          28.3                7.9 +/-    1.20      14.3 +/-    1.20  0.080 / 0.180
G26     120.0          48.5               10.1 +/-    1.65      12.9 +/-    1.65  0.060 / 0.150
G31     41.8           44.1                6.3 +/-    0.84       8.6 +/-    0.84  0.070 / 0.180
G32     89.0           12.9                8.3 +/-    2.10      21.7 +/-    2.10  0.040 / 0.060