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astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey

astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO)

Astronomy observatory in Staffordshire, England.

  • Calculators
  • Contact me
  • Equipment List at Lichfield Radio Observatory
  • Grafana Dashboard Cosmic Watch Detectors
  • History and description of Lichfield Radio Observatory (LRO)
  • Links to other SID monitoring sites
  • Live data from UKRAA Sudden Ionospheric Disturbance Monitor at LRO (SIDs)
  • Live feed from SuperSID monitor
  • Live feed from UKRAA CosmicWatch Muon Detectors
  • Live feed from UKRAA Magnetometer
  • Live feed from UKRAA PicoMuon Muon Detector
  • Live feeds at Lichfield Radio Observatory (LRO)
  • Live Radio meteor observations and meteor counts
  • Live stream from 1420MHz hydrogen-line 86cm Ptarmigan Triffid Dipole Array
  • Privacy Policy
  • Publications & Presentations
  • SHOOS - SARA Hydrogen-Observing Overall Survey
Radio observation in hydrogen line (1420MHz)
May 16, 2025 Admin

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

I used a screen recorder to record time-lapse of the ezCol screen over 24 hours then choose the frame with

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Software
May 16, 2025 Admin

PixInsight Repositories

This is a list of the repositories in my copy of PixInsight on my laptop as of 16/5/2025:

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Muon Detection
May 14, 2025 Admin

Muon Data starting 11/4/2025 from UKRAA Cosmic Watch Muon Detectors

This file can be downloaded from link below (117 MB .txt file): https://www.astronomy.me.uk/wp-content/uploads/2025/05/Muon_Data_110425@0116.txt

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Radio observation in hydrogen line (1420MHz)
May 14, 2025 Admin

A simple way to test an antenna with a NanoVNA

A simple way to test an antenna with a NanoVNA involves connecting the antenna to the NanoVNA, calibrating the device using

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Muon Detection
May 13, 2025 Admin

UKRAA PicoMuon Muon Detector up and running

Thanks to Ted Cline who helped me get this up and running on Sunday evening. Now that it is going,

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Muon Detection
May 12, 2025 Admin

First Light UKRAA PicoMuon Muon Detector

“Live” data from this detector at LRO can be viewed at www.astronomy.icu First light from 12/5/2025 @ 10:43, after the

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Cartoons
May 4, 2025 Admin

Mr Bean in the Garden

Because I have walked into the patio door on left as I forgot it was closed and could not see

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Radio observation in hydrogen line (1420MHz)
May 2, 2025 Admin

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

I came across pictures of scaler rings for feedhorns and had a conversation with ChatGPT on whether such a ring

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Radio observation in hydrogen line (1420MHz)
May 2, 2025 Admin

Radio recombination lines hydrogen

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Radio observation in hydrogen line (1420MHz)
May 2, 2025 Admin

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

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Recent Posts

  • Can you recommend calibration noise sources and how would I use these with block diagrams?
  • I would like to buy a 50 ohm terminal load to produce reference samples for 1420 MHz radio astronomy. Am I better off buying one designed for high wattage transmission than cheap small receive-only version?
  • What alternatives are there available to Nooelec SAWBird H1 with inbuilt resistor to use to generate reference samples for hydrogen line work?
  • Am I right to be concerned that Tohtsu CX-520D will degrade the signal too much when added in front of LNA on 1420 MHz radio telescope?
  • How much loss does Tohtsu CX-520D coaxial relay add to 1420 MHZ radio telescope?

Recent Comments

  1. Alex Pettit on Compare the performance of 80cm, 90cm, 100cm, 110cm, 110cm, 140cm, 150cm, 180cm, 240cm, 300cm, 500cm, 1000cm dishes for 1420MHz amateur radioastronomy
  2. Admin on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  3. Alex Pettit on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  4. Marcus D. Leech on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?
  5. Alex Pettit on What are best specifications for cavity filters for 1420 MHz Hydrogen Line work?

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Categories

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  • My interests in astronomy
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  • Radio observation in hydrogen line (1420MHz)
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  • VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
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