First Light new 1400-1427 MHz (covering Hydrogen Line) Cavity Filter from China 15-16/10/2024

Analysis of Ptarmigan Array data 10-15/10/2024, using Nooelec SAWBird H1 LNA only:

Analysis of Ptarmigan Array data 15-16/10/2024, using Nooelec SAWBird H1 LNA & also Cavity Filter, at same elevation and azimuth above: