PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-05:12:30
G02     36.7           51.9                3.6 +/-    0.17       4.4 +/-    0.17  0.040 / 0.030
G05     131.2          64.7                5.3 +/-    1.29       5.8 +/-    1.29  0.050 / 0.040
G06     53.5           18.3                1.5 +/-    1.47       3.5 +/-    1.47  0.040 / 0.050
G12     200.2          66.5                2.9 +/-    1.03       3.1 +/-    1.03  0.030 / 0.050
G25     289.0          57.1                2.2 +/-    0.68       2.5 +/-    0.68  0.030 / 0.040
G29     312.1          34.8                1.6 +/-    1.36       2.5 +/-    1.36  0.030 / 0.050