Revision as of 03:04, 3 February 2024 by EdmondLascaris(talk | contribs)(Created page with "= References = * [https://youtu.be/IXFq02OK23s The Hydrogen Line in Radio Astronomy - Photonics] * [https://www.astroleague.org Astronomical League] * [https://www.amazon.com.au/Nooelec-SAWbird-H1-Applications-Frequency/dp/B07XPV9RX2 Nooelec SAWbird+ H1 - Premium Saw Filter & Cascaded Ultra-Low Noise Amplifier (LNA) Module for Hydrogen Line (21cm) Applications]")