PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-16:12:50
G01     106.6          25.0               10.8 +/-    1.56      21.1 +/-    1.56  0.060 / 0.060
G07     109.6          53.2               12.3 +/-    1.05      15.0 +/-    1.05  0.040 / 0.060
G08     42.0           21.4               10.9 +/-    2.51      23.3 +/-    2.51  0.040 / 0.060
G09     175.6          15.3               11.0 +/-    1.38      27.2 +/-    1.38  0.070 / 0.080
G11     88.2           43.3               12.4 +/-    0.69      17.1 +/-    0.69  0.030 / 0.050
G13     309.3          29.4               11.5 +/-    0.82      20.4 +/-    0.82  0.030 / 0.050
G17     205.2          36.4               12.1 +/-    1.10      18.7 +/-    1.10  0.070 / 0.140
G18     79.1           23.9                9.3 +/-    1.09      18.7 +/-    1.09  0.080 / 0.140
G28     307.1          58.7               10.3 +/-    1.08      11.8 +/-    1.08  0.060 / 0.080
G30     40.6           78.3               12.5 +/-    0.65      12.7 +/-    0.65  0.090 / 0.120