PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-01:42:30
G02     208.6          50.2               10.8 +/-    0.91      13.5 +/-    0.91  0.080 / 0.070
G06     139.4          79.6                8.7 +/-    0.77       8.8 +/-    0.77  0.090 / 0.060
G12     313.4          24.2                5.9 +/-    1.09      11.8 +/-    1.09  0.080 / 0.160
G17     49.4           37.7                6.6 +/-    1.50      10.0 +/-    1.50  0.080 / 0.190
G19     24.9           56.5                7.5 +/-    0.88       8.8 +/-    0.88  0.070 / 0.040
G24     277.5          43.1                7.7 +/-    0.64      10.7 +/-    0.64  0.060 / 0.040
G28     113.4          24.7                8.7 +/-    1.08      17.1 +/-    1.08  0.120 / 0.100