PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-12:43:00
G02     62.3           29.3                3.8 +/-    1.12       6.7 +/-    1.12  0.030 / 0.030
G05     56.7           62.1                4.8 +/-    0.72       5.4 +/-    0.72  0.030 / 0.030
G12     181.2          27.9                4.6 +/-    2.24       8.5 +/-    2.24  0.100 / 0.170
G13     124.5          16.5                7.6 +/-    1.80      18.2 +/-    1.80  0.060 / 0.130
G15     160.2          15.8                4.3 +/-    2.30      10.4 +/-    2.30  0.030 / 0.040
G21     273.9          18.9                4.5 +/-    2.18      10.2 +/-    2.18  0.030 / 0.040
G25     233.3          50.4                6.5 +/-    2.94       8.1 +/-    2.94  0.100 / 0.190
G29     329.6          55.8                3.1 +/-    0.58       3.6 +/-    0.58  0.080 / 0.240