Radio observation in hydrogen line (1420MHz)

Rinearn3D 4D plots and animations of LRO Ptarmigan Hydrogen Data Jan 2024-Nov 2024 processed 10-11/12/2024

By Admin December 11, 2024

Plots and animations below show two arms of Milky Way behind each other in 3 dimensions in space and power (colour), all centred on our Sun.

Animations:

4D plots (3 dimensions in space + power):

By Admin

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Another look at reflections By: M. Walter Maxwell, W2DU/W8HKK, 1973-1999

How to use WHISPER TRANSCRIPTION software to obtain a transcription of a video file

Signal attenuation (loss) for common coaxial cables at around 1.42 GHz (1420 MHz), relevant for builders of amateur Hydrogen Line radio telescopes.

AliExpress direct-from-China shopping website search can feel wildly off-topic, when I search for items relevant to astronomy – how can I improve my searches?