PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-21:27:50
G01     101.3          27.8               11.6 +/-    0.96      21.2 +/-    0.96  0.030 / 0.040
G07     116.3          49.0               11.9 +/-    0.44      15.2 +/-    0.44  0.030 / 0.050
G08     41.5           14.6                7.8 +/-    2.52      19.5 +/-    2.52  0.040 / 0.050
G11     79.6           42.3               10.9 +/-    1.81      15.3 +/-    1.81  0.040 / 0.050
G13     304.8          32.4               10.1 +/-    3.07      16.8 +/-    3.07  0.150 / 0.220
G17     207.1          44.6               13.3 +/-    0.80      18.0 +/-    0.80  0.050 / 0.140
G18     71.6           23.7               10.3 +/-    1.00      20.7 +/-    1.00  0.070 / 0.120
G19     210.1          17.6               -2.1 +/-    5.14      -5.0 +/-    5.14  0.030 / 0.020
G28     320.2          60.6               10.0 +/-    0.80      11.3 +/-    0.80  0.030 / 0.030
G30     55.5           79.7               11.5 +/-    0.33      11.7 +/-    0.33  0.070 / 0.070