PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-22:12:50
G01     98.3           29.5               12.0 +/-    1.46      21.2 +/-    1.46  0.140 / 0.400
G07     118.0          52.1               11.7 +/-    0.49      14.4 +/-    0.49  0.230 / 0.280
G08     42.1           17.1                8.5 +/-    2.26      20.0 +/-    2.26  0.220 / 0.350
G11     80.4           43.1               10.7 +/-    0.76      14.9 +/-    0.76  0.110 / 0.160
G13     302.6          32.8                8.4 +/-    1.57      13.8 +/-    1.57  0.040 / 0.030
G17     210.8          42.8               12.3 +/-    0.73      17.1 +/-    0.73  0.040 / 0.040
G18     71.9           24.9               10.3 +/-    1.05      20.2 +/-    1.05  0.110 / 0.110
G19     211.8          20.3               14.3 +/-    3.23      31.2 +/-    3.23  0.070 / 0.100
G28     336.0          61.9                8.2 +/-    0.28       9.2 +/-    0.28  0.060 / 0.060
G30     82.1           77.6               10.6 +/-    0.56      10.9 +/-    0.56  0.040 / 0.070