PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-18:12:40
G01     42.0           17.8                9.8 +/-    1.02      22.7 +/-    1.02  0.170 / 0.240
G06     175.7          35.2               14.7 +/-    1.40      23.2 +/-    1.40  0.120 / 0.230
G13     238.9          24.3               11.9 +/-    1.62      23.7 +/-    1.62  0.050 / 0.070
G15     272.6          13.1               12.0 +/-    2.42      31.3 +/-    2.42  0.040 / 0.070
G17     352.0          73.3               12.6 +/-    0.70      13.1 +/-    0.70  0.080 / 0.170
G19     270.2          68.6               13.0 +/-    0.69      13.9 +/-    0.69  0.080 / 0.180
G24     317.1          17.1               13.7 +/-    2.84      32.5 +/-    2.84  0.030 / 0.040
G28     61.9           51.9               11.4 +/-    0.33      14.0 +/-    0.33  0.030 / 0.040
G30     152.8          26.9               13.7 +/-    1.30      25.7 +/-    1.30  0.040 / 0.040