Radio observation in hydrogen line (1420MHz)

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

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

https://www.astronomy.me.uk/wp-content/uploads/2026/04/Alex-Pettit-constructing-umbrella-antenna-cakepan-loopfeed-acc-170426.pdf

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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).

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Radio observation in hydrogen line (1420MHz)

Alex Pettit’s Project: H-Line 3D:

Admin
Radio observation in hydrogen line (1420MHz)

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

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Radio observation in hydrogen line (1420MHz)

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

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).

Radio observation in hydrogen line (1420MHz)

Alex Pettit’s Project: H-Line 3D:

Radio observation in hydrogen line (1420MHz)

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