Radio observation in hydrogen line (1420MHz)

Using NanoVNA to tune H-Line cantenna Alex Pettit 11/2/2026

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Radio observation in hydrogen line (1420MHz)

What lowest noise level in temperature an amateur radio astronomer at 1420 MHz achieve?

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Masers Radio observation in hydrogen line (1420MHz)

LNBs available for masers which can be observed with 1m dish

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