NanoVNA Radio observation in hydrogen line (1420MHz)

NanoVNA measurement S21 logmag Chinese 1400-1427MHz cavity filter 7 March 2025

By Admin March 8, 2025

By Admin

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Testing the two 5650A rubidium time sources I have purchased from AliExpress by comparing them to Leo Bodnar GPSDO on 9 October 2026, with the two 5650A devices attached to a large aluminium heat sink.

Independently Testing each of the two KrakenRF Discovery Dishes & Discovery Hydrogen Line feeds at LRO used for interferometry 6-9 October 2026

Digital inclinometers for radio astronomy dishes

Can muons be focused?