TY - JOUR A1 - Liu, L. A1 - Wan, W. A1 - Zhang, M.-L. A1 - Ning, B. A1 - Zhang, S.-R. A1 - Holt, J. M. T1 - Variations of topside ionospheric scale heights over Millstone Hill during the 30-day incoherent scatter radar experiment JO - Ann. Geophys. J1 - ANGEO VL - 25 IS - 9 SP - 2019 EP - 2027 Y1 - 2007/10/02 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/25/2019/2007/ L1 - https://angeo.copernicus.org/articles/25/2019/2007/angeo-25-2019-2007.pdf DO - 10.5194/angeo-25-2019-2007 ER -