The Martello Tower Group https://validator.w3.org/feed/docs/rss2.html GB7TE: D-STAR Repeater G0PKT/B – CW Beacons Who? Repeaters DX Cluster AX25 Packet Radio GB5RC 2017 Report Repeater map GB7CL: DMR Repeater Donate WSPR – Weak Signal Propagation Reporter Network QRSS – Very slow Morse code GB7CE: Fusion/Analogue Repeater – NOW QRT What? Slow Scan and Fast Scan TV GB55RC  The ClackPak ‘node’ The Martello Tower Group GB3PKT: 10 GHz beacon ADS-B GB5RC 2016 Report