PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-14:27:50
G01     247.9          34.5                8.4 +/-    1.57      13.4 +/-    1.57  0.070 / 0.090
G03     315.5          49.8                3.0 +/-    0.93       3.8 +/-    0.93  0.090 / 0.110
G14     62.9           38.8                6.1 +/-    1.13       9.1 +/-    1.13  0.050 / 0.050
G16     165.7          17.1               -3.7 +/-   15.98      -8.7 +/-   15.98  0.050 / 0.070
G18     216.3          24.6                7.7 +/-    2.87      15.1 +/-    2.87  0.090 / 0.080
G22     296.9          72.0                5.5 +/-    0.38       5.7 +/-    0.38  0.090 / 0.100
G23     288.0          20.2                5.5 +/-    2.38      12.1 +/-    2.38  0.050 / 0.070
G26     139.1          38.5                8.9 +/-    1.34      13.3 +/-    1.34  0.060 / 0.080
G31     40.7           58.2                5.3 +/-    0.59       6.2 +/-    0.59  0.040 / 0.040
G32     76.8           25.4                6.1 +/-    1.70      11.7 +/-    1.70  0.040 / 0.040