PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-18:58:10
G01     37.6           10.5               11.4 +/-    2.39      31.3 +/-    2.39  0.040 / 0.070
G02     199.6          14.2               11.3 +/-    1.81      28.7 +/-    1.81  0.040 / 0.080
G06     173.6          45.6               14.7 +/-    1.80      19.6 +/-    1.80  0.100 / 0.190
G13     231.0          17.8               16.2 +/-    3.86      37.7 +/-    3.86  0.090 / 0.180
G17     11.9           65.7               10.3 +/-    0.64      11.1 +/-    0.64  0.130 / 0.380
G19     301.7          71.8               11.8 +/-    0.78      12.4 +/-    0.78  0.160 / 0.420
G24     313.4          24.9               12.2 +/-    2.02      23.9 +/-    2.02  0.210 / 0.410
G28     75.6           47.4               10.7 +/-    0.60      13.9 +/-    0.60  0.190 / 0.390
G30     155.1          17.8               12.8 +/-    0.84      29.8 +/-    0.84  0.050 / 0.080