PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-12:28:00
G01     45.3           21.4                3.1 +/-    0.73       6.6 +/-    0.73  0.160 / 0.340
G06     175.5          30.3                6.4 +/-    0.98      11.2 +/-    0.98  0.140 / 0.340
G11     43.9           12.2               -1.3 +/-    1.83      -3.6 +/-    1.83  0.060 / 0.130
G13     244.2          28.3                5.6 +/-    1.16      10.2 +/-    1.16  0.080 / 0.180
G15     279.8          14.4                3.9 +/-    0.84       9.8 +/-    0.84  0.040 / 0.070
G17     321.7          77.3                5.3 +/-    0.80       5.4 +/-    0.80  0.040 / 0.060
G19     256.3          65.6                5.1 +/-    0.57       5.5 +/-    0.57  0.070 / 0.200
G24     318.6          11.0              -10.7 +/-   26.37     -29.3 +/-   26.37  0.080 / 0.180
G28     50.5           55.3                3.0 +/-    0.27       3.5 +/-    0.27  0.080 / 0.130
G30     152.1          37.2                5.8 +/-    0.75       8.8 +/-    0.75  0.080 / 0.120