PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-18:43:00
G01     40.7           16.0                9.5 +/-    1.99      23.0 +/-    1.99  0.040 / 0.070
G06     175.3          37.7               14.9 +/-    1.00      22.5 +/-    1.00  0.040 / 0.070
G13     236.8          22.7               15.0 +/-    1.69      31.0 +/-    1.69  0.130 / 0.220
G15     270.3          12.3               14.5 +/-    2.61      38.3 +/-    2.61  0.140 / 0.270
G17     358.8          71.4               11.8 +/-    0.66      12.4 +/-    0.66  0.140 / 0.330
G19     277.2          69.7               12.4 +/-    0.80      13.1 +/-    0.80  0.130 / 0.350
G24     316.4          19.2               11.5 +/-    2.04      25.9 +/-    2.04  0.060 / 0.080
G28     65.7           50.8               11.7 +/-    0.44      14.6 +/-    0.44  0.080 / 0.100
G30     153.5          24.8               13.2 +/-    1.31      25.8 +/-    1.31  0.120 / 0.340