Luminosity of Compact Fluorescent Bulbs and 1420 MHz Hydrogen Line

Recently, on the SARA Mailing List, there was discussion about using a compact fluorescent lightbulb as a signal source to test a hydrogen-line (1420 MHz) radio telescope.

I decided to as ChatGPT about the characteristics of CFLs at this wavelength.

So, with the caveat that ChatGPT sometimes makes mistakes, here is its answer…..