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astronomy.network The Website of Lichfield Radio Observatory (LRO)

Andrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net

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  • SHOOS - SARA Hydrogen-Observing Overall Survey
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Radio observation in hydrogen line (1420MHz)
November 4, 2023 Admin

A8302 Amplitude comparator board

Costing around £6 only on Amazon, I am hoping I can use this amazing little board based on A8302 chip

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Radio observation in hydrogen line (1420MHz)
November 4, 2023 Admin

Testing the new Nooelec 1420MHz mesh antenna 4/11/23

This new mesh antenna from Nooelec is a variation on their 17.6GHz mesh antenna – except it is a little

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Radio observation in hydrogen line (1420MHz)
November 1, 2023 Admin

Demonstrating that I am successfully mapping Perseus Arm of Milky Way with my 1420MHz setup 1/11/2023

I am corrected the elevations and azimuths in my data, now that I am using a compass and inclinometer on

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Radio observation in hydrogen line (1420MHz)
October 31, 2023 Admin

Galactic mapping exercise 1420MHz so far 31/10/2023

3 different altitudes so far, all at 163 degrees azimuth (I used compass to day to check my “180 degrees

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Radio observation in hydrogen line (1420MHz)
October 31, 2023 Admin

Nooelec mesh antenna tuned for 1420MHz

I recently received one of these from Amazon – at first sight it looked like it was the same as

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Radio observation in hydrogen line (1420MHz)
October 29, 2023 Admin

Sorting humidity problem with computer under 1420MHz array 29/10/23

Terrible humidity problem – I had mounted receiver on piece of wooden board and fungus growing on it and each

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Radio observation in hydrogen line (1420MHz)
October 29, 2023 Admin

1420Mhz data up until 29.10.2023

Collected using Ptarmigan array Processed using ezRA suite Plots below – data so far covers 2 data points – both

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Radio observation in hydrogen line (1420MHz)
October 26, 2023 Admin

Dimensions of Ptarmigan Triffid Array

Whole array = 86 x 86cm in size 4 x 4 pattern of dipole aerials Each dipole = 97mm in

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Radio observation in hydrogen line (1420MHz)
October 26, 2023 Admin

Installing Ptarmigan Triffid array on new wooden mount to allow changes in elevation/altitude for radio observations at 1420.405MHz (hydrogen line)

I have now installed the 86 x 86cm military array on my new wooden mount and pointed it south Andy

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Radio observation in hydrogen line (1420MHz)
October 23, 2023 Admin

Effect of retuning software defined radio to 1420.405MHz on output of ezRA suite software 22-23/10/2023

The following link will download the SDRSharp IFAverage data set from last 24 hours – resulting from retuning the SDR

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Recent Posts

  • Initial data analysis M81-M82 from 20m Skynet Radio Telescope Observations by Jason Burnfield and Andrew Thornett 10/7/2025
  • LRO-H2(SCRT) ezRA 191 plot showing how effective is at removing noise 20/7/2025
  • How to add programs to start up folder in Windows 10
  • Planned observations of M81 and M82 using 20m Skynet dish at Greenbank Observatory (Jason and Andrew)
  • CCERA Interferometry Software for two dishes

Recent Comments

  1. Admin on LRO-H1 Map 2 (cf Wikipedia H-Line Map July 2024 proc 260425@2200) – labelled
  2. VK on LRO-H1 Map 2 (cf Wikipedia H-Line Map July 2024 proc 260425@2200) – labelled
  3. QuickLink1 – astronomy.network The Website of Lichfield Radio Observatory (LRO) on Linux Ubuntu for Radio Astronomy: Script to install radio astronomy packages in Ubuntu
  4. Admin on Linux Ubuntu for Radio Astronomy: Michiel Klaassen’s UKRAA CosmicWatch Muon Detector Data Analysis Python Script 16 May 2025
  5. VK on Linux Ubuntu for Radio Astronomy: Michiel Klaassen’s UKRAA CosmicWatch Muon Detector Data Analysis Python Script 16 May 2025

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Categories

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  • VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)
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