Hydrogen Line telescope made by a HS teacher and former student. There are some great assembly guides out there, but we also created a document gathering horn dimensions, amplification setup, calculations, etc.
Hydrogen Line Radio Observations
Low Cost Hydrogen Line Telescope using the RTL-SDR
Low Cost Hydrogen Line Telescope using the RTL-SDR
Hydrogen Line Experiment
Cheap and Easy Hydrogen Line Radio Astronomy with an RTL-SDR, WiFi Parabolic Grid Dish, LNA and SDRSharp
Hydrogen Line Radio Astronomy
G4NNS - Amateur Radio Astronomy with the Hydrogen Line Observing Group
Neutral hydrogen line on Milky Way with SPIDER 300A radio telescope - YouTube
Job's Radio Telescope: Hydrogen Line Northern Sky Survey with RTL-SDR
A Low-Noise SDR-Based Receiver for the 21 cm Neutral-Hydrogen Line | PhysicsOpenLab
My holiday project was to make a cheap hydrogen line radio telescope from a wifi antenna and a Raspberry Pi : r/space
Hydrogen line - Wikipedia
Probe The Galaxy On A Shoestring With This DIY Hydrogen-Line Telescope | Hackaday
Hydrogen-line chasing
Hydrogen line - Wikipedia
Milky Way Introduction, Multiple Wavelengths, 21cm Line of Hydrogen - YouTube
Hydrogen Line – British Astronomical Association
Hydrogen Line Receiver using FunCube or RTL2832U USB Dongles
A Compact Radio Telescope for the 21 cm Neutral- Hydrogen Line Radioteleskop za 21 cm vodikovo črto
Radio Astronomy — Taylor Tabb
With the 21 cm hydrogen line from Kootwijk to Dwingeloo – Dwingeloo Radio Telescope | CAMRAS
Digital Radio Astronomy: Receiving Radio Noise
Cheap and Easy Hydrogen Line Radio Astronomy with an RTL-SDR, WiFi Parabolic Grid Dish, LNA and SDRSharp
Hydrogen Line Radio Observations
