PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-23:28:10
G01     68.8           32.5                9.9 +/-    0.59      16.5 +/-    0.59  0.050 / 0.110
G07     137.9          25.3               11.4 +/-    1.00      22.2 +/-    1.00  0.090 / 0.130
G11     51.6           28.7                7.9 +/-    1.26      14.2 +/-    1.26  0.040 / 0.060
G13     271.9          38.0               10.1 +/-    1.10      15.1 +/-    1.10  0.050 / 0.060
G15     300.9          15.7                6.2 +/-    2.45      15.1 +/-    2.45  0.030 / 0.040
G17     236.3          72.4               10.5 +/-    0.66      11.0 +/-    0.66  0.030 / 0.040
G18     45.5           15.3                8.1 +/-    2.75      19.9 +/-    2.75  0.040 / 0.070
G19     224.6          42.9               12.5 +/-    1.23      17.3 +/-    1.23  0.060 / 0.060
G28     15.1           60.2                9.4 +/-    0.57      10.7 +/-    0.57  0.050 / 0.120
G30     137.1          60.3               12.5 +/-    0.41      14.1 +/-    0.41  0.040 / 0.120