PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-16:43:10
G01     128.0          10.9               -9.0 +/-   49.84     -24.6 +/-   49.84  0.040 / 0.050
G07     47.9           69.8               17.2 +/-    0.50      18.2 +/-    0.50  0.040 / 0.060
G08     52.4           42.1               16.6 +/-    0.45      23.4 +/-    0.45  0.030 / 0.040
G09     178.2          37.2               19.7 +/-    1.82      30.1 +/-    1.82  0.030 / 0.040
G11     120.4          34.4               19.5 +/-    1.30      31.3 +/-    1.30  0.030 / 0.040
G13     321.5          10.6               -7.8 +/-   12.20     -21.5 +/-   12.20  0.030 / 0.040
G17     200.7          11.6               11.1 +/-   35.04      29.9 +/-   35.04  0.060 / 0.070
G18     105.2          16.0               18.7 +/-    1.44      45.3 +/-    1.44  0.060 / 0.090
G28     274.6          52.4               19.3 +/-    0.84      23.7 +/-    0.84  0.250 / 0.300
G30     332.3          59.9               16.0 +/-    1.41      18.1 +/-    1.41  0.150 / 0.250