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astronomy.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.

  • Live feeds at Lichfield Radio Observatory (LRO)
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Radio observation in hydrogen line (1420MHz) Waveguides

WR650 Waveguide for hydrogen line radio astronomy

Admin December 7, 2025 No Comments

If you want a rectangular waveguide that works well around 1.4 GHz, a common standard choice is WR650. ✅ Why WR650 at ~1.4 GHz ⚠️ What you lose by going too small…

Radio observation in hydrogen line (1420MHz) Waveguides

Check out YERKON 1.13-1.73GHz BJ14 WR650 Waveguide Coaxial Adapter Converter

Admin December 7, 2025 No Comments
NanoVNA Radio observation in hydrogen line (1420MHz) Waveguides

Block diagram, parts list and checklist for using coaxial cable to waveguide adapter for hydrogen line radio astronomy

Admin December 7, 2025 No Comments

Here’s a ready-to-use block diagram plus a practical minimal parts list and quick build/test checklist so you can turn your WR-650 waveguide-to-coax adapter into a full waveguide feed for 1420…

Radio observation in hydrogen line (1420MHz) Waveguides

How can I use a WR-650 coaxial cable to waveguide adapter as part of a hydrogen line receiving system?

Admin December 7, 2025 No Comments

Good questions. First, to be clear — by “convert … to a full waveguide” I assume you mean: you have a (a waveguide‑to‑coax adapter) and you want to use it…

Radio observation in hydrogen line (1420MHz)

How well would following work for hydrogen line LHCP HELIX DISH FEEDER 2.4GHZ (S-BAND) for OSCAR-100 / Es -HAIL -SAT?

Admin December 6, 2025 No Comments

Short answer up front: a 2.4 GHz LHCP helical dish feed is a perfectly sensible and widely-used solution for uplinking to Esʼhail-2 / QO-100 — but don’t confuse that with…

Hardware

Types of USB connector

Admin December 5, 2025 No Comments
Radio observation in hydrogen line (1420MHz)

Losses at the masthead in hydrogen line systems

Admin December 5, 2025 No Comments

Nooelec’s documentation lists the SAWbird+ H1 (no 50 Ω “reference” termination present) at ≈0.8 dB NF and the versions that include the internal 50 Ω reference/termination at ≈1.05 dB NF…

Radio observation in hydrogen line (1420MHz)

Getting usbrelay to work on Ubuntu on LRO-24 mini-PC at LRO on 4/12/2025@02:36

Admin December 4, 2025 No Comments
Linux for Radio Astronomy

To install Tkinter on Linux Ubuntu

Admin December 4, 2025 No Comments

To install Tkinter on Ubuntu, open a terminal and run the following commands: This will install the Tkinter library, allowing you to create interactive GUI applications with Python. pythonguis.com realpython.com…

Radio observation in hydrogen line (1420MHz)

Installing & Testing USB Relay on Linux Ubuntu

Admin December 4, 2025 No Comments

Prerequisites Before testing the USB relay, ensure you have the following installed: Installation Steps bash Copy Code sudo apt-get update sudo apt-get install git python3 libhidapi-dev libhidapi-hidraw0 python3-pip bash Copy…

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Categories

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Recent Posts

  • An X-Band feed has been installed on the 20m Skynet dish at Greenbank Observatory May 2026. What can we observe with it?
  • Does painting the dish with Hammerite (trade name) metal-protective paint affect performance?
  • How well does a steel dish work at 1420 MHz?
  • Airspy R2 vs Airspy mini specifications
  • Plots of data collected using Brian Coleman’s self-made hydrogen-line feed placed at correct focal point on the LRO-H2 telescope (150cm Solar Cooker Radio Telescope) & pointed towards either outer Milky Way (1 spiral arm seen) or inner Milky Way (2 spiral arms seen) 16 May 2026

Recent Comments

  1. Admin on My 150cm LRO-H2 hydrogen line radio telescope is pointed azimuth 168 degrees, elevation 75 degrees, and collecting data by 24-hour transit scans. Which Milky Way parts does it pass through when trace shows one or two arms?
  2. Jason Burnfield on Plots of data collected using Brian Coleman’s self-made hydrogen-line feed placed at correct focal point on the LRO-H2 telescope (150cm Solar Cooker Radio Telescope) & pointed towards either outer Milky Way (1 spiral arm seen) or inner Milky Way (2 spiral arms seen) 16 May 2026
  3. Hugh Goodwin on My 150cm LRO-H2 hydrogen line radio telescope is pointed azimuth 168 degrees, elevation 75 degrees, and collecting data by 24-hour transit scans. Which Milky Way parts does it pass through when trace shows one or two arms?
  4. Is there any record available of how brightness supernova 2026 in ngc 5907 has changed? – astronomy.me.uk The Website of Lichfield Radio Astronomy Observatory (LRO) on Current brightness of supernova in NGC5907
  5. Key documents for making your own Jason Burnfield 1.5m mini hydrogen line radio telescope and using this to successfully take a spectrum on M31 Andromeda Galaxy (and hopefully even the M33 Triangulum Galaxy). – astronomy.me.uk The Website of Lichfie on Alex Pettit’s Instructions for making an umbrella antenna and cakepan loop hydrogen line feed:

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You missed

The 20 Metre Skynet Radio Dish at Green Bank Observatory

An X-Band feed has been installed on the 20m Skynet dish at Greenbank Observatory May 2026. What can we observe with it?

Uncategorized

Does painting the dish with Hammerite (trade name) metal-protective paint affect performance?

Uncategorized

How well does a steel dish work at 1420 MHz?

Uncategorized

Airspy R2 vs Airspy mini specifications

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

Astronomy observatory in Staffordshire, England.

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