PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-22:12:30
G02     209.4          51.2               14.0 +/-    0.60      17.4 +/-    0.60  0.090 / 0.140
G06     113.8          80.3               12.1 +/-    0.71      12.3 +/-    0.71  0.210 / 0.140
G12     313.9          25.3                9.8 +/-    0.84      19.0 +/-    0.84  0.060 / 0.060
G17     49.5           38.1               11.5 +/-    1.25      17.3 +/-    1.25  0.070 / 0.070
G19     27.9           55.0               11.5 +/-    1.54      13.7 +/-    1.54  0.080 / 0.170
G24     277.0          42.6               10.5 +/-    1.28      14.7 +/-    1.28  0.090 / 0.180
G28     114.1          24.6               13.9 +/-    2.00      27.5 +/-    2.00  0.030 / 0.030