About the network
Sheridan Flats covers about 47 blocks of the Bronx’s north side, mostly public housing towers and the walk-ups around them. The network was built by a mutual aid network after the only provider in the area was fined for advertising speeds it never delivered.
Schematic
Hover over or tap a node for its details, and click or tap again to open it. With a keyboard, move to the schematic and use the arrow keys.
Uptime
99.99% uptime over the last 90 days, with no days of degraded service or maintenance.
Governance
- Owned by
- Sheridan Flats Mesh Cooperative
- Legal home
- Tenants’ association, incorporated as a nonprofit
- Members
- 2,237 households, one vote each
- Monthly assembly
- Second Thursday of each month, 6:30 pm, at the senior center
- Annual assembly
- Every June
- Maintenance fund
- $7 a month per household, suggested. No household is disconnected for not paying.
Stewards
Elected by the members. Listed by first name and initial.
- Bao B.Network steward · since 2023
- Kwame I.Treasurer · since 2022
- Francisco L.Membership steward · since 2023
- Xiomara L.Training steward · since 2017
Backhaul
Links that carry the network’s traffic to the wider internet.
| Link | Medium | Capacity | Far end | Peak use yesterday |
|---|---|---|---|---|
| LT-12-BH1 | Fiber | 10 Gbps | Bronx internet exchange | 36% |
| LT-12-BH2 | Licensed microwave, 11 GHz | 2 Gbps | Hunts Ridge | 51% |
| LT-12-BH3 | Fiber, donated by the library system | 1 Gbps | Public library network | 51% |
Maintenance log
Firmware 4.6.2 rollout. Staged firmware rollout to every node, one hub’s area at a time. Each node restarted once.
Heat wave: 3 rooftop nodes throttled; all recovered overnight.
Expansion: five new nodes in 2026, mostly in grids D3, E2 and F4.
Radio on N-0686 replaced after water got into the enclosure.
Installer workshop: 18 residents trained and climbed their first roof.
Annual assembly: 161 members attended and elected two stewards.
Hardware refresh: 36 nodes upgraded to Stoop R6 over the year.
Annual assembly: 164 members attended and elected two stewards.
New hub on the parish bell tower: N-3185.
Expansion: three new nodes in 2025, mostly in grids A2, D4 and G5.
Grounding on N-0396 redone after an inspection found a corroded lug.
New hub on the public school roof, under a district agreement: N-3166.
N-0301 moved to the other side of the roof to clear a new air-conditioning unit.
Expansion: four new nodes in 2024, mostly in grids A3, D1 and G3.
N-1612 replaced under warranty after its radio stopped associating.
Ice storm: 7 nodes offline until power was restored.
Battery modules replaced at 2 hubs ahead of winter.
Steward training on monitoring and fault-finding: 15 attended.
Expansion: four new nodes in 2023, mostly in grids E4, F2 and F5.
Hardware refresh: 33 nodes upgraded to Stoop R5 over the year.
New hub on the community health center roof: N-2238.
Firmware 4.0 rolled out to every node.
Hardware refresh: 27 nodes upgraded to Stoop R4 over the year.
Backhaul upgraded from 1 Gbps to 10 Gbps fiber.
Firmware 3.0 rolled out to every node.
Expansion: six new nodes in 2013, mostly in grids A2, C2 and E3.
Network switched on: 20 nodes across the first few blocks.
Founding assembly: the Sheridan Flats Mesh Cooperative adopts its charter and elects four stewards.