PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/28-10:58:10
G01     54.2           28.0                4.3 +/-   40.60       7.8 +/-   40.60  0.040 / 0.060
G06     178.0          21.2                6.3 +/-   39.20      13.4 +/-   39.20  0.040 / 0.060
G07     144.5          16.0                3.2 +/-    2.35       7.8 +/-    2.35  0.040 / 0.100
G11     45.4           17.8                3.6 +/-   38.78       8.3 +/-   38.78  0.050 / 0.080
G13     255.1          33.0                7.0 +/-   40.44      11.6 +/-   40.44  0.070 / 0.170
G15     292.7          14.6                4.3 +/-   41.28      10.9 +/-   41.28  0.070 / 0.150
G17     297.6          79.7                8.0 +/-   40.43       8.1 +/-   40.43  0.080 / 0.140
G19     237.9          51.5                9.4 +/-   38.80      11.6 +/-   38.80  0.070 / 0.140
G28     43.8           55.3                0.1 +/-    8.13       0.1 +/-    8.13  0.090 / 0.200
G30     147.9          47.9                8.6 +/-   40.42      11.1 +/-   40.42  0.080 / 0.180