PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-22:57:40
G01     86.3           32.3               11.5 +/-    1.28      19.3 +/-    1.28  0.070 / 0.110
G07     128.6          38.2               12.4 +/-    0.53      18.5 +/-    0.53  0.070 / 0.120
G11     63.5           37.7                9.3 +/-    0.64      14.1 +/-    0.64  0.040 / 0.060
G13     290.4          37.5                8.9 +/-    0.81      13.5 +/-    0.81  0.030 / 0.060
G15     312.9          11.5                8.0 +/-    3.83      21.6 +/-    3.83  0.030 / 0.040
G17     215.8          58.6               12.6 +/-    1.54      14.5 +/-    1.54  0.030 / 0.030
G18     57.7           21.5                7.5 +/-    1.05      15.9 +/-    1.05  0.070 / 0.130
G19     215.6          29.5               13.1 +/-    1.19      23.2 +/-    1.19  0.080 / 0.110
G28     347.2          61.7                9.1 +/-    0.97      10.2 +/-    0.97  0.030 / 0.090
G30     113.9          73.6               11.4 +/-    0.94      11.8 +/-    0.94  0.040 / 0.090