PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-21:43:00
G01     77.6           33.0                8.9 +/-    1.72      14.6 +/-    1.72  0.050 / 0.090
G07     133.6          31.2               12.3 +/-    1.46      21.1 +/-    1.46  0.070 / 0.090
G11     57.0           33.9                8.0 +/-    2.89      13.0 +/-    2.89  0.120 / 0.150
G13     281.5          38.5                7.1 +/-    2.25      10.6 +/-    2.25  0.090 / 0.110
G15     307.1          14.1                8.1 +/-    2.09      20.7 +/-    2.09  0.050 / 0.140
G17     223.3          65.0               11.5 +/-    0.99      12.6 +/-    0.99  0.080 / 0.100
G18     51.7           19.3                8.4 +/-    1.80      18.9 +/-    1.80  0.040 / 0.040
G19     219.4          36.4               13.2 +/-    1.73      20.4 +/-    1.73  0.040 / 0.040
G28     0.2            61.3                9.4 +/-    0.97      10.6 +/-    0.97  0.030 / 0.040
G30     128.2          66.7               11.8 +/-    0.55      12.8 +/-    0.55  0.030 / 0.040