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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)
October 15, 2023 Admin

10 day data set of 1420MHz (hydrogen) radio data with array 5-15/10/23 from Lichfield Radio Observatory (Lichfield, UK)

Following data set is with Ptarmigan Triffid 86cm x 86cm military radio array pointed at Zenith (Cygnus Complex area of

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Radio observation in hydrogen line (1420MHz)
October 14, 2023 Admin

Two latest data sets from my 1420MHz radio telescope (Ptarmigan array) 14/10/2023

Click on links below to download two latest data sets. To download each data set, right click on link with

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Radio observation in hydrogen line (1420MHz)
October 13, 2023 Admin

Calibrating Ptarmigan array antenna using background sky rather than dummy load

In my previous posts, I calibrated my 1420 MHz radio telescope using a 50 Ohm dummy load. This worked well.

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Radio observation in hydrogen line (1420MHz)
October 13, 2023 Admin

Potential solution to making the military band 3 Ptarmigan radio array that I am using for 1420Mhz radio astronomy moveable in azimuth

I have found an 800mm wide Lazy Susan bearing on ebay, hardened against weather, with 250kg load capacity, and am

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Radio observation in hydrogen line (1420MHz)
October 10, 2023 Admin

Drift scan of Milky Way at 1420MHz using data 5-10/10/2023

I now think that my data from 5th October onwards is the best data set to use – data before

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Radio observation in hydrogen line (1420MHz)
October 8, 2023 Admin

Four day drift scan of Milky Way at 1420MHz (hydrogen) using SDR+Triffid array from Lichfield, UK

The following plots come from data from 4-8/10/23 = I have removed previous data which was causing some issues with

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Radio observation in hydrogen line (1420MHz)
October 7, 2023 Admin

Making homemade wooden manual mount for Triffid array antenna September/October 2023

Up until now, I have been using the Triffid array on concrete blocks to point it at the zenith of

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Radio observation in hydrogen line (1420MHz)
October 5, 2023 Admin

Data from IFAverage Plug in in SDR# from LRO hydrogen line observing kit 5/1023 (ZIP file):

Software defined radio. 1420MHz filter. Ptarmigan Triffid military phased array antenna (86cm x 86cm) http://astronomy.me.uk/wp-content/uploads/2023/10/SDRSharpIFAvg_Data-051023.zip

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Radio observation in hydrogen line (1420MHz)
October 5, 2023 Admin

5 day drift scan results of Milky Way through Zenith (Cygnus region) with SDR+HNA+Ptarmigan Triffid military array antenna (array antenna = 86x86cm total size)

Now got 5 days of data – day 3 not synchronised with rest – I think due to my changing

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Radio observation in hydrogen line (1420MHz)
October 5, 2023 Admin

Frustration, Frustration, FRUSTRATION, AHHHH! Hydrogen line radio observing can be hell!

After my previous posts in which I have very excitedly described my recent successes observing Milky Way at 1420MHz, I

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Recent Posts

  • Comparing H-Line Cantenna Dimensions different diameters of the can
  • Calculating dimensions for 1420 MHz hydrogen line cantenna to use as waveguide for 150cm dish
  • SETI League Excel Spreadsheet Templates (Calculators)
  • Suggested dimensions for a 3 metre H-Line Aperture Horn Antenna
  • Notes on SETI-style “Horn of Plenty” horn antenna tuned to H-Line

Recent Comments

  1. Admin on What is a geodesic parabolic dish?
  2. Wolfgang Hermann on Is 145mm or 165mm better diameter for hydrogen line cantenna? Is a can that is 160mm diameter x 165 mm height a good choice for this?
  3. Wolfgang Hermann on Is 145mm or 165mm better diameter for hydrogen line cantenna? Is a can that is 160mm diameter x 165 mm height a good choice for this?
  4. Yoshi Takeyasu on What is a geodesic parabolic dish?
  5. Adrian Clausall on Julian Palmer Design Monopole Probe Assembly for Cantenna 12/12/2025

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Categories

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