PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-17:42:50
G01     51.7           26.4               10.5 +/-    1.03      19.9 +/-    1.03  0.220 / 0.340
G06     178.4          21.5               13.2 +/-    1.34      28.1 +/-    1.34  0.160 / 0.410
G07     144.4          10.3               11.0 +/-    4.47      30.6 +/-    4.47  0.030 / 0.080
G11     45.0           17.1                9.5 +/-    0.81      22.5 +/-    0.81  0.030 / 0.070
G13     252.2          32.5               13.5 +/-    2.70      22.5 +/-    2.70  0.090 / 0.250
G15     285.5          16.2               11.5 +/-    3.15      27.8 +/-    3.15  0.120 / 0.310
G17     292.5          78.8               13.0 +/-    0.68      13.3 +/-    0.68  0.070 / 0.140
G19     242.0          58.7               14.7 +/-    0.84      16.9 +/-    0.84  0.070 / 0.140
G28     40.4           57.0               11.1 +/-    0.47      13.0 +/-    0.47  0.030 / 0.030
G30     147.6          40.5               13.8 +/-    0.79      19.9 +/-    0.79  0.030 / 0.030