PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-17:57:50
G01     106.9          25.7               13.2 +/-    0.74      25.4 +/-    0.74  0.080 / 0.160
G07     106.9          58.5               14.7 +/-    0.30      17.0 +/-    0.30  0.070 / 0.160
G08     42.2           22.0               10.3 +/-    1.75      21.6 +/-    1.75  0.030 / 0.050
G09     174.8          13.4               17.0 +/-    2.46      44.0 +/-    2.46  0.030 / 0.050
G11     89.7           43.0               13.7 +/-    0.34      19.0 +/-    0.34  0.030 / 0.040
G13     309.6          28.6               11.7 +/-    0.95      21.0 +/-    0.95  0.040 / 0.040
G17     206.7          35.4               15.0 +/-    3.44      23.7 +/-    3.44  0.030 / 0.070
G18     80.5           24.4               12.7 +/-    1.00      25.1 +/-    1.00  0.030 / 0.080
G28     318.6          61.0               12.7 +/-    0.42      14.3 +/-    0.42  0.090 / 0.180
G30     27.7           78.3               14.0 +/-    0.67      14.3 +/-    0.67  0.070 / 0.190