Introduction In hybrid rocket motors, one of the two propellants (oxidizer or fuel) is in liquid phase and the other is in solid phase. The combination of a solid fuel and a liquid oxidizer is the most common one, Fig. 1. 1 Even though the idea of hybrid rocket motor was conceived as early as 1937, it was only after 1960s they were built successfully with good combustion efficiency. A discussio...

The larger effort began when a number of communities (the CDM work at Unidata, the CSML work at BADC, and the OGC Sensor Web Enablement Observations and Measurements) realized they were developing similar lists of data types. The combined list includes: 1) grid, 2) point/station observation, 3) vertical profile/sounding, 4) trajectory, 5) swath, and 6) radar/radial. This paper details the curre...

The instrument PEEL recorded low flux of precipitating energetic electrons during the flight of the HotPay-2 sounding rocket launched from Andoya Rocket Range (Lat. 69°.18’N, Long. 16°.01’E) on 31-JAN-2008 at 19:14:00 UT. After the brief description of the instrument, its possibilities and limitations to measure energetic electron flux in the upper atmosphere, the profile of counting rate obtai...