PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-15:12:50
G01     109.4          24.3               10.0 +/-    0.98      19.9 +/-    0.98  0.040 / 0.060
G07     103.0          60.1               11.6 +/-    0.83      13.2 +/-    0.83  0.050 / 0.060
G08     42.2           22.4                8.0 +/-    1.27      16.5 +/-    1.27  0.040 / 0.030
G09     174.6          14.8               13.2 +/-    1.86      32.9 +/-    1.86  0.030 / 0.040
G11     92.0           42.6               11.3 +/-    0.67      15.7 +/-    0.67  0.080 / 0.200
G13     311.3          27.2               10.9 +/-    1.25      20.2 +/-    1.25  0.070 / 0.150
G17     205.1          34.7               11.7 +/-    1.59      18.7 +/-    1.59  0.030 / 0.040
G18     82.8           23.9                9.4 +/-    0.68      18.9 +/-    0.68  0.040 / 0.050
G28     313.1          60.5               10.3 +/-    0.80      11.6 +/-    0.80  0.040 / 0.110
G30     12.0           76.6               12.2 +/-    0.43      12.6 +/-    0.43  0.030 / 0.130