PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-00:57:30
G02     200.2          23.5               10.1 +/-    3.25      20.4 +/-    3.25  0.080 / 0.120
G06     175.5          52.0                9.6 +/-    1.01      11.9 +/-    1.01  0.130 / 0.100
G13     224.9          11.9                9.0 +/-    1.77      24.1 +/-    1.77  0.060 / 0.060
G17     26.5           56.7                8.3 +/-    1.26       9.7 +/-    1.26  0.050 / 0.060
G19     328.0          70.7                8.1 +/-    0.76       8.5 +/-    0.76  0.030 / 0.030
G24     307.1          32.8                8.8 +/-    2.08      14.6 +/-    2.08  0.040 / 0.030
G28     87.7           41.5                8.3 +/-    0.62      11.8 +/-    0.62  0.150 / 0.370
G30     157.2          12.4                9.7 +/-    1.14      25.6 +/-    1.14  0.160 / 0.480