PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-23:12:50
G01     48.1           24.0                7.8 +/-    1.71      15.6 +/-    1.71  0.170 / 0.280
G06     179.9          23.5               11.1 +/-    0.78      22.5 +/-    0.78  0.190 / 0.310
G11     43.7           12.2                7.2 +/-    2.40      19.0 +/-    2.40  0.040 / 0.040
G13     247.5          29.7               10.0 +/-    1.26      17.7 +/-    1.26  0.030 / 0.050
G15     281.0          15.4                8.0 +/-    2.30      19.7 +/-    2.30  0.070 / 0.050
G17     333.0          77.9                9.9 +/-    0.43      10.1 +/-    0.43  0.030 / 0.040
G19     249.4          61.5               10.3 +/-    0.65      11.6 +/-    0.65  0.100 / 0.190
G24     318.4          11.3               -4.7 +/-   32.14     -12.9 +/-   32.14  0.110 / 0.160
G28     50.4           54.5                9.6 +/-    1.04      11.5 +/-    1.04  0.060 / 0.070
G30     150.5          38.6               11.0 +/-    1.23      16.3 +/-    1.23  0.060 / 0.090