PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/13-00:58:00
G02     273.5          80.9                8.0 +/-    0.68       8.1 +/-    0.68  0.120 / 0.140
G05     168.4          22.4               11.1 +/-    3.07      23.0 +/-    3.07  0.080 / 0.150
G06     38.7           55.5                8.4 +/-    0.62      10.0 +/-    0.62  0.040 / 0.040
G12     320.3          55.6                7.8 +/-    0.73       9.3 +/-    0.73  0.030 / 0.050
G17     76.3           17.6                8.4 +/-    1.15      19.6 +/-    1.15  0.080 / 0.080
G19     63.2           34.4               10.0 +/-    0.88      16.1 +/-    0.88  0.080 / 0.080
G24     237.2          30.6               10.2 +/-    1.80      17.7 +/-    1.80  0.070 / 0.140
G25     317.2          18.7                7.0 +/-    2.94      15.8 +/-    2.94  0.080 / 0.150