PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-14:58:00
G01     114.0          21.5               11.4 +/-    0.88      24.2 +/-    0.88  0.040 / 0.040
G07     93.6           63.5               10.7 +/-    0.97      11.8 +/-    0.97  0.030 / 0.040
G08     43.1           26.7                9.4 +/-    1.46      17.7 +/-    1.46  0.050 / 0.090
G09     175.4          19.3               11.2 +/-    1.22      25.0 +/-    1.22  0.060 / 0.070
G11     98.9           41.8               11.0 +/-    0.94      15.5 +/-    0.94  0.110 / 0.170
G13     314.6          23.8                9.5 +/-    1.25      19.0 +/-    1.25  0.110 / 0.180
G17     203.4          29.7               12.9 +/-    1.49      22.8 +/-    1.49  0.030 / 0.040
G18     88.1           22.7                8.7 +/-    1.07      18.0 +/-    1.07  0.030 / 0.040
G28     303.4          59.3               11.5 +/-    1.06      13.2 +/-    1.06  0.060 / 0.070
G30     357.2          73.0               11.3 +/-    0.76      11.7 +/-    0.76  0.060 / 0.060