Articles

Guides, notes, and background on the ARRG.US XLX reflector array. New articles will be listed here as they are published.

D-Star · Pi-Star · Part 1 · June 2026 Pi-Star D-Star Hotspot, Part 1: Hardware, Assembly, and Installation

Raspberry Pi 5 vs Zero, MMDVM boards, OLED and antenna choices, power supplies, physical assembly, and flashing the Pi-Star image.

D-Star · Pi-Star · Part 2 · June 2026 Pi-Star D-Star Hotspot, Part 2: Pi-Star Configuration and D-Star Registration

Configure Pi-Star for D-Star, link to XLX reflectors, register at regist.dstargateway.org, and troubleshoot gateway issues.

D-Star · Pi-Star · Part 3 · June 2026 Pi-Star D-Star Hotspot, Part 3: Icom ID-51 and ID-52 Radio Configuration

Program DV simplex memories with CS-51 or CS-52 — RPT1, RPT2, URCALL, and first QSO on the reflector network.

D-Star · XLX Reflectors · July 2026 Ham Radio Meets IT: Running an XLX Reflector Like a Production Service

Thirty years of enterprise IT discipline applied to ARRG.US reflectors — test VMs, Zabbix monitoring, Pi-Star hotspots, and the mentor who showed me a hotspot and changed everything.

Looking for operating rules or account requirements? See our Dos and Don'ts and Requirements pages, or return to the home page for live reflector status.