PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/04-22:58:10
G02     227.8          70.6               10.3 +/-    0.51      10.8 +/-    0.51  0.120 / 0.390
G05     173.5          11.1                2.1 +/-   32.62       5.7 +/-   32.62  0.210 / 0.460
G06     43.8           67.7                9.3 +/-    0.36      10.0 +/-    0.36  0.040 / 0.040
G12     320.0          42.5                9.8 +/-    1.27      13.7 +/-    1.27  0.030 / 0.040
G17     65.2           26.0                8.7 +/-    0.92      16.6 +/-    0.92  0.060 / 0.100
G19     50.2           42.4                9.5 +/-    0.49      13.3 +/-    0.49  0.070 / 0.090
G24     251.6          38.1               10.8 +/-    1.40      16.3 +/-    1.40  0.050 / 0.070
G28     127.6          10.3               12.5 +/-    2.88      34.7 +/-    2.88  0.050 / 0.060