PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-23:27:50
G01     55.1           28.4                7.5 +/-    0.95      13.6 +/-    0.95  0.050 / 0.060
G06     181.7          15.5               14.5 +/-    2.36      35.6 +/-    2.36  0.040 / 0.050
G07     143.4          13.6               12.0 +/-    1.75      30.9 +/-    1.75  0.170 / 0.360
G11     45.7           18.9                6.8 +/-    1.11      15.5 +/-    1.11  0.120 / 0.330
G13     256.2          33.9               10.1 +/-    1.51      16.4 +/-    1.51  0.090 / 0.180
G15     288.8          16.4                8.4 +/-    2.48      20.1 +/-    2.48  0.080 / 0.150
G17     288.8          79.8               10.6 +/-    0.64      10.7 +/-    0.64  0.050 / 0.080
G19     237.3          54.6               10.3 +/-    1.15      12.4 +/-    1.15  0.040 / 0.080
G28     37.4           57.1                9.3 +/-    0.81      10.9 +/-    0.81  0.060 / 0.070
G30     146.6          47.1               12.0 +/-    1.16      15.7 +/-    1.16  0.050 / 0.070