TY - JOUR A1 - Kosch, M. J. A1 - Pedersen, T. A1 - Hughes, J. A1 - Marshall, R. A1 - Gerken, E. A1 - Senior, A. A1 - Sentman, D. A1 - McCarrick, M. A1 - Djuth, F. T. T1 - Artificial optical emissions at HAARP for pump frequencies near the third and second electron gyro-harmonic JO - Ann. Geophys. J1 - ANGEO VL - 23 IS - 5 SP - 1585 EP - 1592 Y1 - 2005/07/27 PB - Copernicus Publications SN - 1432-0576 UR - http://www.ann-geophys.net/23/1585/2005/ L1 - http://www.ann-geophys.net/23/1585/2005/angeo-23-1585-2005.pdf DO - 10.5194/angeo-23-1585-2005 ER -