PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/15-22:58:00
G01     100.4          28.7               12.8 +/-    0.88      22.9 +/-    0.88  0.070 / 0.100
G07     115.7          53.6               12.3 +/-    0.64      14.9 +/-    0.64  0.080 / 0.130
G08     42.0           18.1               10.2 +/-    2.09      23.4 +/-    2.09  0.120 / 0.190
G11     83.5           43.5               13.5 +/-    0.82      18.7 +/-    0.82  0.090 / 0.200
G13     304.5          31.8               10.1 +/-    0.95      17.1 +/-    0.95  0.040 / 0.040
G17     209.7          41.6               13.4 +/-    1.20      19.0 +/-    1.20  0.040 / 0.050
G19     211.1          18.7               14.5 +/-    2.82      33.0 +/-    2.82  0.060 / 0.060
G28     332.3          61.8                9.9 +/-    0.54      11.0 +/-    0.54  0.060 / 0.080
G30     74.8           77.9               11.3 +/-    0.82      11.5 +/-    0.82  0.030 / 0.030