PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-20:58:00
G10     271.3          40.0               20.7 +/-    1.22      30.1 +/-    1.22  0.190 / 0.430
G13     40.7           16.5               15.0 +/-    2.69      36.0 +/-    2.69  0.100 / 0.210
G15     55.1           45.3               16.7 +/-    0.69      22.4 +/-    0.69  0.090 / 0.200
G18     311.2          65.8               17.1 +/-    0.71      18.5 +/-    0.71  0.030 / 0.030
G20     57.4           31.8               17.4 +/-    1.44      29.3 +/-    1.44  0.030 / 0.040
G21     22.1           74.8               19.1 +/-    0.55      19.7 +/-    0.55  0.110 / 0.160
G24     118.1          16.3               20.4 +/-    1.33      49.0 +/-    1.33  0.080 / 0.170
G27     315.6          23.4               15.1 +/-    2.23      30.7 +/-    2.23  0.170 / 0.350
G29     166.3          22.3               20.6 +/-    1.28      42.9 +/-    1.28  0.140 / 0.500
G32     206.1          10.0              -15.0 +/-   36.16     -41.9 +/-   36.16  0.060 / 0.150