Some penetration and charge-detection techniques
Meteoritic dust penetration and charge detection techniques used on Skylark rocket and Ariel II satellite
SKYLARK ROCKET↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Investigation of mid-latitude ionospheric currents by combined rocket techniques.
A comprehensive range of neutral atmospheric and simultaneous ionospheric structure measurements were obtained from a Skylark rocket launched at Woomera during evening twilight on a quiet magnetic day. Above 150 km, good agreement was found between the results obtained from three different methods of electric field measurement despite the low field strength (about 1.5 mV/m). In the immediate vicinity of an intense sporadic E layer, the probe measurements indicated large excursions of the electrostatic field amounting to 6.5 mV/m at 105.3 km and 2.7 mV/m at 104.8 km. The calculated ionospheric current system in the vicinity of the rocket trajectory was of similar magnitude to that indicated by local ground-based magnetometers, but was diametrically opposed in direction.
Rees, D.↗
The southern sky survey payload
Measurements on ultraviolet fluxes from stars and nebulosities by rockets carrying photomultiplier and ionization chamber detectors
STELLAR RADIATION↗
Thermospheric observations combining chemical seeding and ground-based techniques. I - Winds, turbulence and the parameters of the neutral atmosphere.
Two Skylark sounding rockets carrying chemical seeding payloads were launched from Woomera, South Australia (31 S, 137 E) in October 1969. In conjunction with these firings, the University of Adelaide conducted ground-based experiments on the upper atmosphere using the radio meteor and spaced receiver drift methods. This paper presents the measurements of properties of the neutral atmosphere above 90 km which were obtained from these experiments.
Lloyd, K. H.↗
Study of X-ray optics
The testing is reported of a polished Kanigen coated beryllium mirror in a soft X-ray telescope to be flown on a Skylark sounding rocket. This test involved inserting the telescope in a 220 foot long vacuum line and taking photographs of an X-ray resolution source. These photographs were then used to evaluate the performance of the telescope mirror as a function of distance from the focal plane and the angular distance off the telescope axis. A second test was made in which a point source was used to study the imaging characteristics by means of a pinhole and proportional counter placed in the telescope focal plane. A third test was conducted using a position sensitive detector. The efficiency and resolution was increased by polishing.
Froechtenigt, J. F.↗
Investigation of SL 1115 X-ray telescope
A polished Kanigen coated beryllium mirror to be used in a glancing incidence X-ray telescope was evaluated. X-ray photographs of the image of a standard high resolution test target were recorded at 8.34 A and the focal plane of the telescope was determined. Reflection efficiency data was obtained using proportional counters and sources at wavelengths of 8.34, 13.3, and 44 A. These data were compared with similar data taken with another metal mirror. The results of the comparison are that the mirror tested in this program shows better resolution and less scattering than the other mirror previously tested. This mirror was chosen as the flight mirror for the SL 1115 X-Ray Telescope to fly on a Skylark sounding rocket. Also, a position sensitive detector placed in the focal plane of the SL 1115 X-Ray Telescope (flight payload) was successfully calibrated using a 10 arc second point source and at wavelengths of 8.34, 13.3, 27, and 44 A.
Froechtenigt, J. F.↗