PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-07:12:50
G01     266.0          41.3                7.6 +/-    1.23      10.8 +/-    1.23  0.070 / 0.090
G03     316.5          33.2                3.0 +/-    1.36       5.0 +/-    1.36  0.060 / 0.090
G10     130.9          13.6                6.8 +/-    1.69      17.6 +/-    1.69  0.050 / 0.060
G11     248.2          18.2                7.0 +/-    2.13      16.1 +/-    2.13  0.040 / 0.050
G14     45.6           48.9                4.1 +/-    0.38       5.2 +/-    0.38  0.170 / 0.300
G18     230.2          37.1                7.7 +/-    1.24      11.8 +/-    1.24  0.230 / 0.280
G22     313.6          54.8                4.0 +/-    1.03       4.8 +/-    1.03  0.050 / 0.070
G25     51.1           16.0                2.5 +/-    2.21       6.0 +/-    2.21  0.060 / 0.080
G31     51.3           70.3                4.0 +/-    0.47       4.2 +/-    0.47  0.140 / 0.310
G32     64.7           32.7                3.5 +/-    0.34       5.8 +/-    0.34  0.140 / 0.320