PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/25-00:57:40
G01     48.7           24.4                5.0 +/-    1.90       9.8 +/-    1.90  0.210 / 0.250
G06     180.7          22.1                8.8 +/-    1.68      18.5 +/-    1.68  0.210 / 0.300
G11     43.8           12.6                4.0 +/-    3.14      10.5 +/-    3.14  0.070 / 0.040
G13     248.2          30.0                7.3 +/-    1.27      12.8 +/-    1.27  0.060 / 0.040
G15     282.0          15.4                6.2 +/-    1.46      15.2 +/-    1.46  0.120 / 0.170
G17     333.0          78.1                5.7 +/-    0.89       5.8 +/-    0.89  0.090 / 0.110
G19     248.0          60.5              -13.9 +/-    0.83     -15.8 +/-    0.83  0.040 / 0.050
G24     318.4          11.3               -5.7 +/-   32.86     -15.4 +/-   32.86  0.040 / 0.050
G28     50.0           54.5                6.3 +/-    1.26       7.6 +/-    1.26  0.150 / 0.220
G30     150.4          40.0                8.1 +/-    1.02      11.8 +/-    1.02  0.150 / 0.230