PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-22:58:10
G01     90.3           31.5               10.7 +/-    0.81      18.1 +/-    0.81  0.070 / 0.050
G07     125.9          41.2               10.9 +/-    1.03      15.6 +/-    1.03  0.060 / 0.050
G11     67.1           39.3                9.7 +/-    1.56      14.3 +/-    1.56  0.130 / 0.160
G13     294.4          36.6                9.8 +/-    4.17      15.2 +/-    4.17  0.140 / 0.160
G17     213.1          55.3               11.7 +/-    0.66      14.0 +/-    0.66  0.030 / 0.070
G18     60.9           22.3                8.6 +/-    2.48      17.8 +/-    2.48  0.040 / 0.060
G19     214.0          26.4               12.0 +/-    1.59      22.7 +/-    1.59  0.090 / 0.110
G28     340.6          61.7                9.4 +/-    0.68      10.5 +/-    0.68  0.070 / 0.110
G30     103.6          76.2               10.6 +/-    0.81      10.9 +/-    0.81  0.080 / 0.210