PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-23:27:50
G01     268.7          42.4                8.3 +/-    0.80      11.7 +/-    0.80  0.040 / 0.060
G03     315.7          27.7                5.9 +/-    1.01      10.9 +/-    1.01  0.040 / 0.050
G10     129.1          15.5               11.7 +/-    1.61      28.7 +/-    1.61  0.050 / 0.080
G11     253.5          19.3               11.0 +/-    1.21      24.7 +/-    1.21  0.070 / 0.080
G14     38.0           53.2                9.0 +/-    1.16      10.9 +/-    1.16  0.130 / 0.180
G22     314.2          49.4                7.1 +/-    0.80       9.0 +/-    0.80  0.110 / 0.170
G25     53.9           16.9                5.6 +/-    1.23      13.2 +/-    1.23  0.040 / 0.060
G26     148.1          24.9               12.1 +/-    2.27      23.8 +/-    2.27  0.040 / 0.060
G31     57.3           73.2                8.9 +/-    0.97       9.3 +/-    0.97  0.090 / 0.120
G32     63.9           32.0                7.2 +/-    0.87      12.1 +/-    0.87  0.080 / 0.110