TY - JOUR A1 - Gurbuz, G. A1 - Gormus, K. S. A1 - Altan, U. T1 - INVESTIGATION OF THE AIR QUALITY CHANGE EFFECT ON GNSS SIGNALS JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - IV-4/W4 SP - 229 EP - 233 Y1 - 2017/11/13 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/IV-4-W4/229/2017/ L1 - https://isprs-annals.copernicus.org/articles/IV-4-W4/229/2017/isprs-annals-IV-4-W4-229-2017.pdf DO - 10.5194/isprs-annals-IV-4-W4-229-2017 ER -