PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/15-18:57:50
G01     123.0          14.3               12.7 +/-    3.51      32.2 +/-    3.51  0.030 / 0.040
G07     78.4           64.3               11.3 +/-    0.53      12.4 +/-    0.53  0.030 / 0.030
G08     47.1           35.1                9.4 +/-    1.46      14.9 +/-    1.46  0.140 / 0.360
G09     178.3          32.6               12.3 +/-    0.96      20.4 +/-    0.96  0.160 / 0.310
G11     111.6          38.3               11.0 +/-    0.77      16.4 +/-    0.77  0.080 / 0.100
G13     319.5          16.0                8.6 +/-    2.45      20.9 +/-    2.45  0.070 / 0.100
G17     199.8          19.9               13.0 +/-    2.27      28.6 +/-    2.27  0.080 / 0.060
G18     97.0           18.6               10.2 +/-    2.28      23.1 +/-    2.28  0.120 / 0.080
G28     278.0          52.0               11.9 +/-    2.26      14.7 +/-    2.26  0.030 / 0.030
G30     340.8          65.5               10.8 +/-    0.68      11.7 +/-    0.68  0.040 / 0.030