PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-20:43:00
G02     16.1           67.2                9.3 +/-    0.84      10.0 +/-    0.84  0.050 / 0.090
G05     155.1          48.7               12.2 +/-    0.80      15.6 +/-    0.80  0.060 / 0.080
G06     46.3           27.3                6.9 +/-    2.00      12.8 +/-    2.00  0.060 / 0.040
G12     259.1          79.3               10.0 +/-    0.74      10.1 +/-    0.74  0.050 / 0.040
G19     88.3           17.1                8.2 +/-    1.93      19.5 +/-    1.93  0.120 / 0.430
G24     217.9          12.5               12.7 +/-    2.00      33.4 +/-    2.00  0.120 / 0.420
G25     311.8          41.6                8.9 +/-    0.93      12.6 +/-    0.93  0.030 / 0.030
G29     297.3          19.2                9.1 +/-    1.02      20.4 +/-    1.02  0.030 / 0.030