PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-20:58:10
G02     4.4            73.0               13.6 +/-    0.43      14.2 +/-    0.43  0.040 / 0.070
G05     159.6          42.4               19.1 +/-    0.72      26.7 +/-    0.72  0.050 / 0.040
G06     44.7           31.1               11.5 +/-    1.93      19.8 +/-    1.93  0.080 / 0.080
G12     274.8          80.6               14.5 +/-    1.10      14.7 +/-    1.10  0.060 / 0.090
G17     92.7           6.9                12.3 +/-    2.57      36.5 +/-    2.57  0.030 / 0.030
G19     81.5           24.4               14.7 +/-    1.79      29.2 +/-    1.79  0.040 / 0.030
G24     221.1          16.4               19.0 +/-    3.43      45.6 +/-    3.43  0.070 / 0.070
G25     314.9          36.8               13.7 +/-    0.64      21.0 +/-    0.64  0.090 / 0.060
G29     291.9          12.9               16.4 +/-    1.66      42.9 +/-    1.66  0.080 / 0.100