PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-21:28:10
G01     92.3           30.9                9.7 +/-    0.86      16.6 +/-    0.86  0.030 / 0.060
G07     124.4          42.1               10.8 +/-    0.81      15.2 +/-    0.81  0.040 / 0.050
G11     69.4           40.2                8.2 +/-    0.90      11.9 +/-    0.90  0.180 / 0.210
G13     296.5          36.0               11.4 +/-    2.64      17.7 +/-    2.64  0.170 / 0.260
G17     211.8          52.8               13.5 +/-    0.80      16.5 +/-    0.80  0.070 / 0.120
G18     63.3           23.0                7.9 +/-    1.96      16.1 +/-    1.96  0.100 / 0.130
G19     213.1          25.0               14.4 +/-    2.24      28.2 +/-    2.24  0.050 / 0.040
G28     336.0          61.5                9.1 +/-    0.59      10.2 +/-    0.59  0.050 / 0.050
G30     98.1           76.9               11.3 +/-    0.30      11.5 +/-    0.30  0.030 / 0.030