PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-01:28:10
G02     221.5          66.6                9.8 +/-    1.00      10.6 +/-    1.00  0.080 / 0.100
G06     50.3           74.3                8.4 +/-    0.41       8.6 +/-    0.41  0.070 / 0.090
G12     319.0          38.3                5.7 +/-    1.42       8.6 +/-    1.42  0.040 / 0.050
G17     62.3           27.7                4.8 +/-    1.74       8.8 +/-    1.74  0.040 / 0.060
G19     44.9           45.7                6.2 +/-    1.08       8.2 +/-    1.08  0.040 / 0.050
G24     255.9          40.1                8.7 +/-    4.27      12.7 +/-    4.27  0.060 / 0.060
G28     125.0          13.1                6.1 +/-    1.67      16.0 +/-    1.67  0.230 / 0.350