PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-12:28:00
G02     68.7           24.0                3.7 +/-    0.39       7.3 +/-    0.39  0.030 / 0.040
G05     48.8           54.2                2.6 +/-    0.36       3.1 +/-    0.36  0.040 / 0.040
G12     180.2          20.4                3.5 +/-    1.92       7.6 +/-    1.92  0.070 / 0.170
G13     117.8          21.6                6.7 +/-    0.78      14.1 +/-    0.78  0.110 / 0.180
G15     155.5          22.4                5.8 +/-    1.80      12.1 +/-    1.80  0.060 / 0.110
G21     280.5          23.9                5.3 +/-    4.51      10.6 +/-    4.51  0.060 / 0.110
G25     223.8          44.0                6.2 +/-    1.59       8.4 +/-    1.59  0.030 / 0.040
G29     335.1          63.6                3.7 +/-    0.69       4.0 +/-    0.69  0.030 / 0.040