The information provided on this website is provided for reference purposes only. It is my personal development blog, and is not intended to act as an educational or advisory tool…
Above From talk by John Savage at BAA Radio Astronomy Conference, Sherwood Observatory, UK, 3 October 2026. The important point is that the meteor trail does not need to behave…
DIGITAL INCLINOMETERS FOR RADIO TELESCOPE DISH Yes – a digital inclinometer can measure the actual vertical inclination/elevation of a radio telescope dish. Most handheld digital angle gauges contain a MEMS…
FOCUSING AND DEFLECTING COSMIC-RAY MUONS Yes, muons can in principle be focused or redirected into a smaller area, because muons are electrically charged particles. However, cosmic-ray muons are relatively energetic…
Yes — the Sherwood Observatory solar radio dish you mean operates at about 2.8 GHz (2800 MHz), not 12 GHz. At 2.8 GHz, the wavelength is about 10.7 cm, which…
Cosmic-ray muons reaching the ground have a very broad range of energies. Most atmospheric muons are produced when high-energy cosmic rays strike nuclei in the upper atmosphere, creating pions and…
Thank you for sending both the two rubidium 5650A time sources I have purchased from you. The second one is good = 340 seconds avg. and I then get a…
If by “other landers” you mean later Mars spacecraft such as Mars Pathfinder, the apparent roughly $100 million versus $10 million difference for particular components/subsystems is largely because Viking was…
https://www.astronomy.me.uk/wp-content/uploads/2026/09/Discovery_Dish_Solar_Continuum_and_Interferometry_System_Validation_30_Sep_2026_Paper_FINAL-sent-to-Brian-Rouke-300926@2100.pdf
I now have 2nd one of these – video comparing it to Leo Bodnar 1421 GPS disciplined time source can be downloaded at: https://files.ad.thornett.net/astronet/Testing2ndRubidium5650A300926@1228-edited.mp4 Quite big file – 8 GB…
SDRplay RSP2: It goes remarkably low: For your VLF work, the important part is the High-Z input. It has a nominal 1 kΩ balanced input and a 30 MHz low-pass…
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