PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-20:43:00
G02     222.0          65.9               15.1 +/-    0.69      16.4 +/-    0.69  0.080 / 0.080
G06     48.1           70.4               12.7 +/-    0.27      13.4 +/-    0.27  0.080 / 0.080
G12     319.1          38.9               11.0 +/-    0.94      16.3 +/-    0.94  0.050 / 0.080
G17     61.1           29.5               10.1 +/-    0.83      18.0 +/-    0.83  0.050 / 0.080
G19     46.1           44.7               10.7 +/-    0.90      14.5 +/-    0.90  0.120 / 0.300
G24     257.5          39.8               16.6 +/-    1.15      24.2 +/-    1.15  0.140 / 0.440
G28     124.9          14.0               15.8 +/-    1.63      40.2 +/-    1.63  0.050 / 0.050