Optimising the feed for 2m dish used for hydrogen line radio astronomy
ChatGPT suggested following April 2025: Great — optimizing the feed for your 2 m dish at 1420 MHz will ensure you’re getting the most
Read moreastronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)
Astronomy observatory in Staffordshire, England.
astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)
Astronomy observatory in Staffordshire, England.
Advantages of upgrading from 1.5m dish to 2m dish for hydrogen line radio astronomy
The following comes from CHATGPT, when I asked it this question April 2025: Upgrading from a 1.5 m dish to a 2 m dish for observing
Read moreRe-processing and re-labelling 2nd LRO-H1 (Ptarmigan Triffid 4×4 Dipole Array Antenna) Milky Way Hydrogen-Line Map July 2025 on 26 April 2025 to correct labelling errors
My new map (below). In this new map, I felt that only two arms (Perseus and Outer Arms) could be
Read moreCurrent version of Easy Radio Astronomy used on LRO-H1(Ptarmigan)Hydrogen-Line Radio Telescope 25/4/2025
https://www.astronomy.me.uk/wp-content/uploads/2025/04/ezRA_ProgramsData_from_LRO-H1_RT_250425.zip
Read moreSuccessful test of LRO-H3 Radio Telescope (Alex Pettit Patch Yagi Aerial)
At last, successfully got this working! 13-element Patch Yagi tuned to 1420 MHz by Alex Pettit from USA (member of
Read moreProcessing LRO-H2 (SCRT) Milky Way Map Data 14 April 2025 – 24 April 2025
My latest attempt to generate a map of the Milky Way at hydrogen line 1420.405 MHz on LRO-H2 radio telescope.
Read moreMonopole vs Dipole Antennae
Here is an excellent summary of differences between monopole and dipole antennae. This comes from https://resources.pcb.cadence.com/blog/monopole-vs-dipole-antenna and was accessed 16/4/2025:
Read moreTesting cable ties to see if they will reduce effectiveness of parabolic reflector waveguide LRO-H2
I used cable ties to locate centre of opening of cantenna waveguide = I tested them in microwave – only
Read moreLatest version of IF Average Plug-in for SDR Sharp software
Very useful for radio astronomy – allows astronomer to integrate data collected in SDR# over a period of time. Download
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