From Dave’s brilliant data set suppled 27/11/2025 – (c) Dave Bracey 2025 – all rights reserved. Taken using Dave’s 150cm homemade backyard radio telescope in Bromyard, England, UK, 2025. https://www.astronomy.me.uk/wp-content/uploads/2025/11/Dave-Bracey-3D4D-imaging-for-his-data-281125-Part-I.mp4 Post navigation How does the radio frequency SAW filter in a Nooelec SAWBird LNA and filter? Comparing RTL-SDR v3 and v4 software defined radios