PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-06:12:30
G02     199.7          25.2                6.8 +/-    2.61      13.2 +/-    2.61  0.170 / 0.260
G06     168.3          56.6                8.3 +/-    0.48       9.7 +/-    0.48  0.250 / 0.550
G13     223.8          11.8                5.1 +/-    3.49      13.6 +/-    3.49  0.030 / 0.030
G17     25.8           57.2                4.7 +/-    0.93       5.5 +/-    0.93  0.040 / 0.030
G19     338.1          70.6                4.2 +/-    0.35       4.4 +/-    0.35  0.070 / 0.080
G24     308.7          30.1                4.7 +/-    1.54       8.1 +/-    1.54  0.060 / 0.080
G28     84.1           45.6                5.6 +/-    1.15       7.4 +/-    1.15  0.110 / 0.160
G30     158.8          15.7                6.8 +/-    2.34      16.6 +/-    2.34  0.230 / 0.180