PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-23:42:50
G01     49.1           24.7                8.4 +/-    1.10      16.5 +/-    1.10  0.030 / 0.060
G06     180.4          22.0               11.2 +/-    3.16      23.5 +/-    3.16  0.040 / 0.050
G11     44.0           13.2                7.6 +/-    2.65      19.6 +/-    2.65  0.110 / 0.260
G13     248.8          30.4               11.3 +/-    1.54      19.6 +/-    1.54  0.150 / 0.450
G15     282.3          15.6                9.7 +/-    1.56      23.9 +/-    1.56  0.080 / 0.170
G17     328.3          78.5                9.6 +/-    0.42       9.8 +/-    0.42  0.070 / 0.170
G19     247.2          60.3               10.8 +/-    0.92      12.2 +/-    0.92  0.060 / 0.120
G24     318.5          10.4              -14.5 +/-   26.37     -40.0 +/-   26.37  0.050 / 0.110
G28     48.6           54.9                8.5 +/-    0.30      10.2 +/-    0.30  0.050 / 0.080
G30     150.1          40.1               11.2 +/-    0.76      16.3 +/-    0.76  0.050 / 0.070