S.I.E.R.R.A

S.I.E.R.R.A — BlogTechnology, preparedness, and lessons in emergency communications — written slowly, when there is something worth saying. For anything happening right now, the Live Feed is the place.https://sierragridteam.orgen-usWhat a fire-country radio net needs to workhttps://sierragridteam.org/blog/2026-07-23-community-radio-netshttps://sierragridteam.org/blog/2026-07-23-community-radio-netsTwo mountain communities built volunteer GMRS radio networks for fire season — and the routine behind them is what makes them work.Thu, 23 Jul 2026 00:00:00 GMTField ReportCell towers have a backup power deadlinehttps://sierragridteam.org/blog/2026-07-17-psps-backup-power-deadlinehttps://sierragridteam.org/blog/2026-07-17-psps-backup-power-deadlinePG&E's third Public Safety Power Shutoff of 2026 is a reminder that cell service during an outage runs on a fixed backup-power clock, not indefinitely.Fri, 17 Jul 2026 00:00:00 GMTPreparednessFind your evacuation zone before you need ithttps://sierragridteam.org/blog/2026-07-14-find-your-evacuation-zonehttps://sierragridteam.org/blog/2026-07-14-find-your-evacuation-zoneCalaveras and Tuolumne counties use zone codes and a two-tier warning/order system — where that information lives, and how to look up your own zone now.Tue, 14 Jul 2026 00:00:00 GMTExplainerPriest and Landrum fires, containedhttps://sierragridteam.org/blog/2026-07-08-priest-landrum-fireshttps://sierragridteam.org/blog/2026-07-08-priest-landrum-firesTwo small early-July wildfires in the Highway 4 / 49 corridor, both fully contained — the official figures.Wed, 08 Jul 2026 00:00:00 GMTRetrospectiveWhat MeshCore 1.16 means for solar relay siteshttps://sierragridteam.org/blog/2026-07-06-meshcore-firmware-solar-relayshttps://sierragridteam.org/blog/2026-07-06-meshcore-firmware-solar-relaysMeshCore's June firmware release trims a repeater's background chatter and power draw, the kind of change that matters most on a short winter day.Mon, 06 Jul 2026 00:00:00 GMTTechWhat this blog is forhttps://sierragridteam.org/blog/2026-07-03-what-this-blog-is-forhttps://sierragridteam.org/blog/2026-07-03-what-this-blog-is-forThe slow channel — technology, preparedness, and lessons in emergency communications, written when there is something worth saying.Fri, 03 Jul 2026 00:00:00 GMTExplainer