PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/28-22:12:50
G01     283.9          41.1                4.9 +/-    4.56       6.9 +/-    4.56  0.040 / 0.060
G03     313.5          20.7                7.6 +/-    2.38      16.4 +/-    2.38  0.040 / 0.060
G10     123.6          25.2                9.9 +/-    1.59      19.2 +/-    1.59  0.080 / 0.090
G11     259.8          24.7                9.1 +/-    6.14      17.8 +/-    6.14  0.070 / 0.060
G14     32.3           55.3                7.5 +/-    0.96       9.0 +/-    0.96  0.100 / 0.150
G22     314.3          42.1                7.4 +/-    0.83      10.4 +/-    0.83  0.090 / 0.170
G25     60.9           18.4                8.2 +/-    1.57      18.7 +/-    1.57  0.020 / 0.020
G26     155.9          16.1               11.3 +/-    2.62      27.5 +/-    2.62  0.020 / 0.020
G31     113.2          81.3               10.0 +/-    0.55      10.1 +/-    0.55  0.040 / 0.040
G32     54.8           39.8                7.1 +/-    1.26      10.3 +/-    1.26  0.050 / 0.040