PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-14:57:40
G01     52.0           26.7                8.4 +/-    2.44      15.8 +/-    2.44  0.050 / 0.060
G06     176.7          24.4               11.8 +/-    1.39      23.4 +/-    1.39  0.040 / 0.060
G07     145.5          14.5               11.0 +/-    2.45      27.7 +/-    2.45  0.060 / 0.090
G11     44.9           16.1                5.7 +/-    1.40      13.8 +/-    1.40  0.090 / 0.130
G13     252.6          31.6               10.0 +/-    1.58      17.0 +/-    1.58  0.180 / 0.360
G15     288.8          15.0                5.8 +/-    1.47      14.5 +/-    1.47  0.190 / 0.460
G17     305.8          79.2                9.9 +/-    0.69      10.1 +/-    0.69  0.050 / 0.060
G19     241.5          54.7                9.9 +/-    0.84      11.8 +/-    0.84  0.040 / 0.060
G28     48.8           53.9                8.3 +/-    0.84      10.0 +/-    0.84  0.150 / 0.280
G30     149.0          45.0               11.1 +/-    0.54      15.0 +/-    0.54  0.120 / 0.300