PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-11:28:00
G01     44.8           20.9                2.8 +/-   36.03       6.0 +/-   36.03  0.040 / 0.060
G06     175.2          31.0                4.8 +/-   34.86       8.1 +/-   34.86  0.040 / 0.060
G11     43.8           12.0                1.4 +/-   34.91       3.6 +/-   34.91  0.150 / 0.420
G13     243.5          27.9                5.1 +/-   34.14       9.3 +/-   34.14  0.140 / 0.310
G15     279.1          14.3                1.7 +/-    7.66       4.2 +/-    7.66  0.020 / 0.030
G17     328.1          77.0                5.2 +/-   35.72       5.3 +/-   35.72  0.020 / 0.030
G19     257.8          66.1                3.8 +/-   35.24       4.1 +/-   35.24  0.080 / 0.180
G24     318.6          11.3               -5.6 +/-   21.50     -15.2 +/-   21.50  0.100 / 0.210
G28     51.2           55.3                1.9 +/-   34.78       2.3 +/-   34.78  0.050 / 0.050
G30     152.5          37.2                5.7 +/-   35.17       8.8 +/-   35.17  0.040 / 0.040