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Begin forwarded message: > From: Sean Donelan <s...@donelan.com> > Date: September 29, 2017 at 20:07:47 PDT > To: "na...@nanog.org" <na...@nanog.org> > Subject: Re: Hurricane Maria: Summary of communication status - and lack of > > > The situation reports from Puerto Rico seems to be getting passed through > public relations, so I'll try to add some context. > > > Public Safety > Primary Public Safety Answering Point (9-1-1) center generator ran out of > diesel fuel. Switched to alternate PSAP. > > San Juan Police Department has restored its radio repeaters and police radio > communications metro-wide. (translated from spanish, so I think I understood > the technical translation). > > > > Landline Central Offices > 813,546 subscribers (CIA World Factbook) > > 390,000 subscribers in 52 municipalities with voice, data and long > distance (Claro) > Repaired fiber optic cable conntecting CO's in Fajardo and Rio Grande. > > 65% of inter-office Central Office connections restored island-wide. > Remaining CO's have only local voice calling. > > Optico Fiber reports most of its infrastructure is intact, and has open > WiFi hotspots outside its offices. > > > Wireless services > 3,227,281 subscribers (CIA World Factbook) > > 29 municipalities have 0% working cell sites. It appears carriers are > repairing one tower in each county/municipality to improve island-wide > coverage. Several municipalities going from 0 to 1 cell site working. > > 310,000 subscribers in 28 municipalities with working cell towers (Claro) > > 34% of San Juan has working cell tower coverage (Claro) > > Cell on Wheels in Ponce (4 mile radius) serving 6,000 calls per hour, > 35,000 texts per hour (AT&T) > > Dorado, Tao Baja and Toa Alta have T-Mobile service (T-Mobile) > > > I don't know what FCC and PRTRB are counting: > > 286 working cell sites out of 2671 (according to FCC report) > 96 working cell sites out of 1600 (according to PR Telecommunications > Regulatory Board report) > > For context, the number of cell sites repaired each day since the end of > Hurricane Maria is improving slowly - average less than 20 sites a day, but > some days its negative, i.e. more cell towers failing than repaired. > > On U.S. Virigin Islands, the number of cell sites out of service decreased > initially, but has slowly increased for the last 5 days. > > I created a spreadsheet of the FCC wirelss outage data from hurricane Harvey, > Irma and Maria. > > https://www.donelan.com/FCC-Wireless-Outages.xlsx > > There is no consistent pattern between states, territories or hurricanes. > Florida had the fatest wireless restoration, average 500 cell sites restored > a day; while U.S. Virgin Islands averaged less than 1 cell site restored. > But Florida was mostly restoring the electrical grid, which restored lots of > cell sites. Harvey was slow to start restoring cell sites, the tropical > storm lasted for days; but less than 6% of cell sites were out of service. > > > Cable systems > > First official report from Liberty Cable Puerto Rico > > Most cable headends or in good condition, with backup generators. > Internet connection to international circuits reconnected. Main fiber trunk > between San Juan and Luquillo completed. Working to repair infrastructure and > primary services such as physical plant, main repeater bases, fiber optic > ring and fiber to distribution stations in neighborhoods. (LibertyPR) > > > Satellite Services and Satellite Phones > > As more satellite phones are distributed, social media and news reporters > are saying satellite capacity is getting worse. It may be user issues and > lack of training, or running out of satellite bandwidth in the area. > > American Red Cross driving a VSAT station between shelters, and setting up > temporary hotspots for an hour at each shelter so people can contact family > members. >
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