PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-16:57:40
G01     45.8           21.9                6.7 +/-    0.82      14.2 +/-    0.82  0.180 / 0.350
G06     176.5          29.2               12.4 +/-    1.26      22.0 +/-    1.26  0.160 / 0.400
G11     43.6           11.1                7.2 +/-    1.78      19.6 +/-    1.78  0.040 / 0.070
G13     244.5          28.2               10.6 +/-    2.14      19.2 +/-    2.14  0.040 / 0.070
G15     278.5          14.8                9.9 +/-    2.15      24.7 +/-    2.15  0.170 / 0.440
G17     327.8          77.2                9.8 +/-    0.91      10.0 +/-    0.91  0.140 / 0.540
G19     255.5          64.8                9.5 +/-    0.77      10.4 +/-    0.77  0.070 / 0.170
G24     318.5          11.8                1.0 +/-   28.22       2.7 +/-   28.22  0.080 / 0.140
G28     52.2           54.6                8.0 +/-    0.68       9.6 +/-    0.68  0.030 / 0.030
G30     151.1          34.1               11.2 +/-    0.62      18.1 +/-    0.62  0.040 / 0.030