P. Gramatikov

THE EUROPEAN SBAS: THE ALTERNATIVE EQUIVALENT TO INSTRUMENT LANDING SYSTEM

K. Kalagireva, P. Gramatikov, 2014 .

O2 density and temperature profiles retrieving from direct solar Lyman-alpha radiation measurements

G. Witt, J. Gumbel, J. Ilstad, 2009 .

DETECTOR FOR ROCKET MEASUREMENTS OF THE DIRECT SOLAR LYMAN-ALPHA RADIATION

G. Witt, J. Gumbel, J. Ilstad, 2008 .

Systems for Secondary Electric Power Supply of the Instruments "Zora" and "Neurolab-B" – Space Medicine

P. Gramatikov, R. Nedkov, Raicho Todorov, 2022, Aerospace Research in Bulgaria.

Secondary power supply system for spacecraft potential monitor DP-1 and DP-2, "OBSTANOVKA" project, International Space Station

G. Stanev, P. Gramatikov, R. Nedkov, 2019, Aerospace Research in Bulgaria.

An unmanned aerial surveillance system in urban environments

S. Zabunov, P. Getsov, H. Lukarski, 2018 .

Lyman-alpha Detector Designed for Rocket Measurements of the Direct Solar Radiation at 121.5 nm

G. Witt, J. Gumbel, J. Ilstad, 2007 .