PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-01:27:40
G10     243.0          19.8               13.6 +/-    2.02      30.0 +/-    2.02  0.040 / 0.060
G13     63.4           34.3                9.5 +/-    0.99      15.3 +/-    0.99  0.040 / 0.070
G15     109.3          57.3               12.7 +/-    0.38      14.8 +/-    0.38  0.150 / 0.650
G16     303.9          15.5                6.1 +/-    4.50      15.1 +/-    4.50  0.160 / 0.750
G20     255.5          39.0                9.6 +/-    1.78      14.2 +/-    1.78  0.120 / 0.200
G21     322.1          53.0               12.5 +/-    0.64      15.3 +/-    0.64  0.080 / 0.160
G26     275.6          19.0               10.0 +/-    1.05      22.6 +/-    1.05  0.070 / 0.140
G29     162.1          61.9               12.8 +/-    1.18      14.4 +/-    1.18  0.070 / 0.120