PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-18:57:40
G02     215.3          58.4               11.4 +/-    1.19      13.1 +/-    1.19  0.110 / 0.090
G06     62.0           75.8               10.6 +/-    0.65      10.9 +/-    0.65  0.080 / 0.080
G12     317.2          33.0                8.4 +/-    1.25      13.8 +/-    1.25  0.100 / 0.180
G17     54.9           34.5                8.4 +/-    1.06      13.4 +/-    1.06  0.090 / 0.210
G19     38.8           49.0                9.1 +/-    0.49      11.7 +/-    0.49  0.040 / 0.070
G24     267.0          41.6               12.2 +/-    0.99      17.3 +/-    0.99  0.040 / 0.060
G28     120.1          19.5               11.7 +/-    1.06      26.1 +/-    1.06  0.050 / 0.090