PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-11:42:50
G01     297.2          39.1                3.7 +/-    5.77       5.5 +/-    5.77  0.040 / 0.040
G03     310.8          17.2                4.4 +/-    1.50      10.4 +/-    1.50  0.040 / 0.030
G10     115.2          31.7                6.2 +/-    0.98      10.5 +/-    0.98  0.090 / 0.070
G11     269.8          26.9                7.5 +/-    1.60      14.1 +/-    1.60  0.090 / 0.080
G14     17.0           61.6                6.5 +/-    0.65       7.3 +/-    0.65  0.070 / 0.070
G18     257.5          49.8                8.5 +/-    5.66      10.7 +/-    5.66  0.070 / 0.060
G22     314.0          38.8                3.8 +/-    1.57       5.6 +/-    1.57  0.050 / 0.050
G25     71.6           17.9                5.0 +/-    1.11      11.6 +/-    1.11  0.050 / 0.060
G31     154.1          74.1                8.7 +/-    0.63       9.0 +/-    0.63  0.080 / 0.100
G32     40.5           50.3                4.5 +/-    1.47       5.6 +/-    1.47  0.080 / 0.080