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

If I use a filter at 1420 MHz that causes 3 dB loss and in amplifier beforehand that gives 3dB

A long Yagi antenna tuned for 1430 MHz can still work at 1420 MHz, but with reduced efficiency and some detuning effects.

TV satellite frequencies in the USA vary depending on the satellite, provider, and whether the service is free-to-air (FTA) or

The amount of sky covered by a radio telescope is typically referred to as its field of view (FoV). Key

These are the results so far of my mapping exercise with the 1.5m parabolic solar cooker dish (LRO-H2): Powerpoint Presentation

This version of the map has been relabelled, due to errors in the previous labelling system.

Script to install radio astronomy packages in Ubuntu – astronomy.network The Website of Lichfield Radio Observatory (LRO)

https://www.astronomy.me.uk/wp-content/uploads/2025/05/astro-radio-repo.zip https://www.astronomy.me.uk/wp-content/uploads/2025/05/astro-radio-setup.zip

https://www.astronomy.me.uk/wp-content/uploads/2025/05/Night-Sky-Talk-RAG-300525-FINAL-250525@1500.pptx https://www.astronomy.me.uk/wp-content/uploads/2025/05/Night-Sky-Talk-RAG-300525-FINAL-250525@1500.pdf

The waveguide in the centre of antennae sich as cantennae are made of a copper quarter wave monopole. The cheapest