Radio observation in hydrogen line (1420MHz)

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).

By Admin April 17, 2026

Jason Burnfield’s Excel Spreadsheet Design Tool and Instructions for his 150cm Mini Radio Telescope Dish:

Jason Burnfield’s Design Tools and Instructions for his 150cm Mini Radio Telescope Dish

Alex Pettit’s Instructions for making an umbrella antenna and cakepan loop hydrogen line feed:

Alex Pettit’s Instructions for making an umbrella antenna and cakepan loop hydrogen line feed:

Cold Sky vs Hot Ground to verify all is working well with your hydrogen line radio telescope:

Cold Sky vs Hot Ground

Ted Cline’s Easy Radio Astronomy (ezRA) Software Suite:

Ted Cline’s Easy Radio Astronomy (ezRA) Software Suite:

How to point your drift detection hydrogen line radio telescope at the bright part of the Milky Way in Cygnus to test the performance of the system:

How to point your drift detection hydrogen line radio telescope at the bright part of the Milky Way in Cygnus to test the performance of the system.

Alex Pettit’s Project: H-Line 3D:

Alex Pettit’s Project: H-Line 3D:

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).

By Admin