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Questions related from Alex Clay Cushley
I have found different characteristic values given for the standoff distance to achieve optimal jet formation and therefore penetration using a shaped charge. Walter and Zukas give 2-4 cone...
23 November 2021 7,865 0 View
NASA's unmanned X-34 shcramjet demonstration sub-orbital aircraft is air-launched from Orbital Sciences Corp.’s L-1011, a commercial jetliner originally modified to carry the company’s...
09 October 2020 563 1 View
For a radial charge geometry in a solid rocket, is there an equation or rule of thumb to determine the minimum hole size in the solid propellant charge? I suspect the answer is "no" since an...
09 October 2020 3,421 0 View
I am teaching a course and came across applications of inductors in remote detonating systems, detonators and fuzes like the FMU-143 penatrating bomb fuze system, but I have not found much...
14 September 2020 8,111 0 View
What is the highest critical frequency f0F2 ever recorded? Is anyone aware of a paper/reference or published ionogram for the reflection of 50 MHz (or higher) radio waves by the Ionosphere at...
26 November 2019 3,619 4 View
In the following technical report, Klobuchar states, " The-earliest TEC results, obtained in the late 1950s, showed the first temporal and seasonal, behavior of the topside of the...
02 February 2017 3,258 4 View
Different materials have different spectral signatures. Is the spectral signature different for a given solar panel, depending on whether it is charging a (spacecraft's) batteries or there is a...
11 January 2017 5,863 2 View
In VTEC maps that have been created from GNSS differential phase measurements of the TEC, the ionospheric pierce point is often shown. TEC that is measured over 20 200 km is mapped to somewhere...
01 December 2016 1,720 2 View
Hello, Is anyone aware of data that is available where Faraday rotation and total electron content (FR) are measured independently (possibly by conjunctions of different satellites and/or...
21 September 2016 6,703 2 View
Many research papers state that the reconstruction algorithm being used in the respective research can incorporate a priori information, without elaboration on where such data can be...
03 April 2016 4,363 6 View
Can anyone please give a brief synopsis of the effect that (SuperDARN) HF radar have on riometer data with suggestions for further reading?
11 March 2016 321 0 View
I have found numerous papers that estimate Faraday rotation (FR) using total electron content (TEC) measurements and an average value for the parallel component of Earth's magnetic field. I know...
27 February 2016 250 3 View
I would like to find data for Total Electron Content (TEC) as a function of latitude (TEC curves possibly from GPS observations). I also will need an ionospheric map (electron density as a...
03 February 2016 721 6 View
Hello, I have a research paper in preparation but am uncertain whether I will have enough funds available to publish in the journal that I usually publish in (Radio Science). The topic is...
01 January 1970 8,336 3 View
I recently became aware of this paper, which plagiarized one of my previous publications. I left a comment on the RG article, contacted the authors of the paper and the editor @Alexei V....
01 January 1970 7,571 5 View
Typical values of vertical total electron content (VTEC) seem to be about 1 to 100 TECu. I was wondering, what is the highest value of TEC (slant or vertical) that has ever been recorded? Please...
01 January 1970 682 7 View
