Radio observation in hydrogen line (1420MHz)

Easy Radio Astronomy Software (ezRA) LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi) Radio observation in hydrogen line (1420MHz)

Comparison of size of peaks on ezCol (ezRA) from LRO-H2 and LRO-H3 in last few days

Admin May 24, 2025 No Comments

See Powerpoint below: https://www.astronomy.me.uk/wp-content/uploads/2025/05/Comparison-data-collection-peaks-on-LRO-H2-and-LRO-H3-23-240525.pptx

Radio observation in hydrogen line (1420MHz)

Ideal thickness for copper feed for cantenna at 1420 Mhz

Admin May 24, 2025 No Comments

The ideal thickness (gauge) of copper wire for the feed in a cantenna (typically for Wi-Fi at 2.4 GHz) depends on both practical and theoretical factors, mainly skin depth, mechanical…

Radio observation in hydrogen line (1420MHz)

Hi Profile Search

Admin May 18, 2025 No Comments

Link below takes you to web-page where you can compare the hydrogen line spectra you have detected with your radio telescope with more professional results. Andy https://www.astro.uni-bonn.de/hisurvey/euhou/LABprofile

Attending & talking at conferences, workshops & societies NanoVNA Radio observation in hydrogen line (1420MHz)

Making a 2nd cantenna for the antenna testing range in the NanoVNA workshop at EUCARA 2025

Admin May 17, 2025 No Comments

In September 2025, EUCARA is being held at Harwell Campus in UK. I am giving a talk and also running an introductory workshop on using NanoVNAs to test antennae/aerials. As…

LRO-H3 Radio Telescope (Alex Pettit H-Line Yagi) Radio observation in hydrogen line (1420MHz)

Calculating the decibel gain from my Alex Pettit Patch Yagi Antenna (1420MHz) (LRO-H3) using data collected with ezCol from Easy Radio Astronomy Software

Admin May 16, 2025 No Comments

I used a screen recorder to record time-lapse of the ezCol screen over 24 hours then choose the frame with maximum gain demonstrated for hydrogen. Calculation of decibels involved: 20…

NanoVNA Radio observation in hydrogen line (1420MHz)

A simple way to test an antenna with a NanoVNA

Admin May 14, 2025 No Comments

A simple way to test an antenna with a NanoVNA involves connecting the antenna to the NanoVNA, calibrating the device using open, short, and load standards, and then measuring the…

Radio observation in hydrogen line (1420MHz)

Making scaler ring for cantenna on dish – conversation with ChatGPT 2/5/2025

Admin May 2, 2025 2 Comments

I came across pictures of scaler rings for feedhorns and had a conversation with ChatGPT on whether such a ring would improve the performance of my 150cm dish made from…

Radio observation in hydrogen line (1420MHz)

Radio recombination lines hydrogen

Admin May 2, 2025 No Comments

Radio observation in hydrogen line (1420MHz)

Optimising the feed for 2m dish used for hydrogen line radio astronomy

Admin May 2, 2025 No Comments

ChatGPT suggested following April 2025: Great — optimizing the feed for your 2 m dish at 1420 MHz will ensure you’re getting the most out of your improved collecting area and resolution.…

Radio observation in hydrogen line (1420MHz)

Advantages of upgrading from 1.5m dish to 2m dish for hydrogen line radio astronomy

Admin May 2, 2025 No Comments

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 the 1420 MHz hydrogen line will yield…

Comparison of size of peaks on ezCol (ezRA) from LRO-H2 and LRO-H3 in last few days

Ideal thickness for copper feed for cantenna at 1420 Mhz

Hi Profile Search

Making a 2nd cantenna for the antenna testing range in the NanoVNA workshop at EUCARA 2025

Calculating the decibel gain from my Alex Pettit Patch Yagi Antenna (1420MHz) (LRO-H3) using data collected with ezCol from Easy Radio Astronomy Software

A simple way to test an antenna with a NanoVNA

Making scaler ring for cantenna on dish – conversation with ChatGPT 2/5/2025

Radio recombination lines hydrogen

Optimising the feed for 2m dish used for hydrogen line radio astronomy

Advantages of upgrading from 1.5m dish to 2m dish for hydrogen line radio astronomy

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