PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/20-22:12:40
G01     111.7          23.0               11.4 +/-    1.55      23.4 +/-    1.55  0.100 / 0.150
G07     98.1           62.1               11.9 +/-    0.96      13.3 +/-    0.96  0.140 / 0.160
G08     43.3           27.9                7.9 +/-    1.61      14.4 +/-    1.61  0.110 / 0.110
G09     176.4          18.9               13.1 +/-    2.74      29.5 +/-    2.74  0.120 / 0.120
G11     99.2           42.7               12.3 +/-    0.83      17.1 +/-    0.83  0.090 / 0.110
G13     313.4          25.0                7.3 +/-    1.16      14.2 +/-    1.16  0.120 / 0.220
G17     205.0          30.0               11.8 +/-    1.54      20.7 +/-    1.54  0.050 / 0.060
G28     309.4          60.2                9.4 +/-    0.95      10.6 +/-    0.95  0.040 / 0.060
G30     18.1           76.2               10.9 +/-    0.73      11.2 +/-    0.73  0.030 / 0.030