PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-18:43:00
G07     336.1          59.5               11.3 +/-    0.65      12.9 +/-    0.65  0.040 / 0.040
G08     102.8          50.4               12.0 +/-    0.40      15.1 +/-    0.40  0.040 / 0.050
G09     202.4          78.1               12.6 +/-    0.40      12.9 +/-    0.40  0.070 / 0.070
G11     146.7          11.9               13.5 +/-    1.76      36.1 +/-    1.76  0.070 / 0.090
G16     45.3           14.1                8.2 +/-    2.47      20.9 +/-    2.47  0.120 / 0.180
G23     154.6          46.4               12.8 +/-    0.94      16.9 +/-    0.94  0.150 / 0.180
G27     60.6           34.7               11.1 +/-    0.77      17.6 +/-    0.77  0.030 / 0.020
G28     233.4          22.9               12.8 +/-    1.54      26.2 +/-    1.54  0.030 / 0.020
G30     299.5          33.5                9.5 +/-    2.56      15.5 +/-    2.56  0.090 / 0.170