PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-04:27:50
G10     306.6          55.1                6.5 +/-    0.97       7.7 +/-    0.97  0.060 / 0.070
G14     211.2          16.4                9.7 +/-    3.40      23.2 +/-    3.40  0.070 / 0.090
G15     45.5           22.5                4.4 +/-    0.83       9.0 +/-    0.83  0.040 / 0.050
G20     4.5            64.7                6.8 +/-    0.60       7.4 +/-    0.60  0.030 / 0.040
G21     110.3          70.4                8.3 +/-    0.92       8.7 +/-    0.92  0.040 / 0.050
G24     91.9           28.2                4.7 +/-    1.17       8.6 +/-    1.17  0.040 / 0.040
G27     296.1          35.6                6.7 +/-    0.39      10.6 +/-    0.39  0.090 / 0.250
G32     213.0          34.0               10.2 +/-    1.69      16.5 +/-    1.69  0.080 / 0.260