PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-17:43:10
G01     77.5           33.3               12.4 +/-    0.89      20.3 +/-    0.89  0.040 / 0.030
G07     134.0          36.4               14.3 +/-    1.50      22.1 +/-    1.50  0.030 / 0.030
G11     58.2           34.6               11.0 +/-    0.71      17.6 +/-    0.71  0.040 / 0.080
G13     281.6          37.8               12.8 +/-    0.87      19.3 +/-    0.87  0.040 / 0.070
G15     308.3          13.2               12.1 +/-    2.22      31.5 +/-    2.22  0.110 / 0.180
G17     224.8          61.9               16.8 +/-    0.56      18.8 +/-    0.56  0.090 / 0.160
G18     53.8           20.8               10.5 +/-    2.17      22.7 +/-    2.17  0.030 / 0.040
G19     220.4          34.8               15.8 +/-    2.18      25.1 +/-    2.18  0.030 / 0.040
G28     9.6            60.4               10.6 +/-    0.47      12.0 +/-    0.47  0.040 / 0.050
G30     128.5          67.0               13.4 +/-    0.76      14.4 +/-    0.76  0.030 / 0.060