PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-20:28:00
G07     346.6          62.3               11.7 +/-    0.62      13.0 +/-    0.62  0.110 / 0.180
G08     90.2           51.6               12.0 +/-    1.07      14.9 +/-    1.07  0.130 / 0.160
G09     188.2          70.7               12.5 +/-    0.61      13.2 +/-    0.61  0.030 / 0.030
G11     142.1          16.3               14.1 +/-    2.02      34.0 +/-    2.02  0.030 / 0.030
G23     157.1          39.7               11.8 +/-    1.02      17.2 +/-    1.02  0.040 / 0.040
G27     53.9           31.6               10.0 +/-    1.30      16.9 +/-    1.30  0.050 / 0.040
G28     238.6          28.7               12.9 +/-    1.40      23.2 +/-    1.40  0.070 / 0.080
G30     304.6          37.5               10.9 +/-    1.11      16.5 +/-    1.11  0.100 / 0.070