LT-23 · Chicago, IL

Calumet Row

Calumet Row Mesh Cooperative. Switched on Apr 23, 2016; 1,020 households connected through 43 nodes.

About the network

Calumet Row covers about 21 blocks of Chicago’s northeast side, mostly mid-rise apartment blocks. The network was built by parents from the local elementary school after a school district survey found students doing homework in fast-food parking lots for the signal.

Schematic

Schematic of the Calumet Row network 43 nodes: 3 hubs, 1 relay, 36 rooftop nodes and 3 street nodes. All are online. Backbone links join the hubs and relays, each rooftop links to its nearest hub, and 2 backhaul links leave the network. Positions are approximate and drawn on a lettered grid, not a map. Every node is listed in the table below. ABCDEFGH12345 BH1BH2 N-0902N-1177N-1277
Hub Relay Rooftop Street Backbone Access Backhaul Offline Degraded

Uptime

99.97% uptime over the last 90 days, with no days of degraded service or maintenance.

90 days agoToday

Governance

Owned by
Calumet Row Mesh Cooperative
Legal home
Cooperative corporation, owned by member households
Members
1,020 households, one vote each
Monthly assembly
Third Tuesday of each month, 7:00 pm, at the housing cooperative’s lobby
Annual assembly
Every January
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.

  • Wanda B.Network steward · since 2019
  • Tali Z.Treasurer · since 2024
  • Malik L.Membership steward · since 2019
  • Ibrahim S.Training steward · since 2019

Backhaul

Links that carry the network’s traffic to the wider internet.

Backhaul links
LinkMediumCapacityFar endPeak use yesterday
LT-23-BH1 Fiber 10 Gbps Chicago internet exchange 19%
LT-23-BH2 Licensed microwave, 11 GHz 2 Gbps Westhaven 26%

Maintenance log

  1. Dish on N-0898 re-aimed after a neighbor’s new extension blocked the path.

  2. Firmware 4.6.2 rollout. Staged firmware rollout to every node, one hub’s area at a time. Each node restarted once.

  3. Annual assembly: 82 members attended and elected three stewards.

  4. Hardware refresh: 6 nodes upgraded to Stoop R6 over the year.

  5. Storm damage: 7 dishes realigned and one mast replaced.

  6. N-1521 replaced under warranty after its radio stopped associating.

  7. Annual assembly: 60 members attended and elected two stewards.

  8. Expansion: four new nodes in 2024, mostly in grids A4, C5 and D2.

  9. Battery modules replaced at 4 hubs ahead of winter.

  10. Steward training on monitoring and fault-finding: 6 attended.

  11. Heat wave: 4 rooftop nodes throttled; all recovered overnight.

  12. Mount on N-2151 re-secured after the host reported a loose mast.

  13. Hardware build night: 8 Stoop nodes assembled from parts.

  14. Tree trimming along two backbone paths, with the city’s parks crew.

  15. N-0893 replaced under warranty after its radio stopped associating.

  16. Hardware refresh: 19 nodes upgraded to Stoop R5 over the year.

  17. Expansion: four new nodes in 2021, mostly in grids A5, C3 and E1.

  18. Firmware 4.0 rolled out to every node.

  19. Hardware refresh: 11 nodes upgraded to Stoop R4 over the year.

  20. New hub on the fire station roof, under a city agreement: N-1277.

  21. New hub on the recreation center roof: N-1177.

  22. Network switched on: 20 nodes installed by 40 volunteers over a weekend.

  23. Founding assembly: the Calumet Row Mesh Cooperative adopts its charter and elects four stewards.

43 nodes in Calumet Row, in the order they were installed.

Nodes in Calumet Row
NodeRoleSiteGridHardwareInstalledUptime, 30 daysStatus
N-0889 Relay Chimney mount A2 Span P3 2016-04-22 99.94% Online
N-0890 Rooftop Apartment building, six storeys F2 Stoop R5 2016-04-22 99.80% Online
N-0891 Rooftop Corner store H3 Stoop R6 2016-04-22 99.92% Online
N-0892 Rooftop Two-family house H1 Stoop R5 2016-04-22 99.93% Online
N-0893 Rooftop Duplex B4 Stoop R5 2016-04-22 99.88% Online
N-0894 Rooftop Rowhouse G1 Stoop R5 2016-04-22 99.87% Online
N-0895 Rooftop Rowhouse G2 Stoop R6 2016-04-22 99.89% Online
N-0896 Rooftop Triple-decker E1 Stoop R5 2016-04-22 99.93% Online
N-0897 Rooftop Walk-up, four storeys C5 Stoop R5 2016-04-22 99.85% Online
N-0898 Rooftop Corner store A3 Stoop R5 2016-04-22 99.94% Online
N-0899 Rooftop Church hall A5 Stoop R6 2016-04-22 99.84% Online
N-0900 Rooftop Apartment building, six storeys E2 Stoop R4 2016-04-22 99.90% Online
N-0901 Rooftop Corner store B5 Stoop R6 2016-04-22 99.84% Online
N-0902 Hub Community health center roof B5 Gantry H4 2016-04-23 99.87% Online
N-0903 Rooftop Bungalow B1 Stoop R4 2016-04-23 99.93% Online
N-0904 Rooftop Bungalow C2 Stoop R5 2016-04-23 99.84% Online
N-0905 Rooftop Three-family house E2 Stoop R5 2016-04-23 99.90% Online
N-0906 Rooftop Walk-up, three storeys G3 Stoop R5 2016-04-23 99.92% Online
N-0907 Rooftop Three-family house H3 Stoop R5 2016-04-23 99.94% Online
N-0908 Rooftop Corner store C2 Stoop R5 2016-04-23 99.86% Online
N-0923 Rooftop Walk-up, four storeys F2 Stoop R5 2016-06-13 99.89% Online
N-0956 Rooftop Rowhouse H1 Stoop R5 2016-06-27 99.82% Online
N-1086 Rooftop Bungalow B3 Stoop R5 2017-03-09 99.88% Online
N-1177 Hub Recreation center roof D1 Gantry H5 2017-05-23 99.91% Online
N-1267 Rooftop Two-family house G3 Stoop R4 2017-11-22 99.84% Online
N-1277 Hub Fire station roof, under a city agreement H2 Gantry H3 2017-12-24 99.81% Online
N-1413 Rooftop Rowhouse H2 Stoop R4 2018-06-15 99.95% Online
N-1434 Rooftop Rowhouse B4 Stoop R5 2018-07-30 99.97% Online
N-1519 Rooftop Three-family house F3 Stoop R4 2018-10-29 99.81% Online
N-1521 Street Utility pole, under a city permit C1 Lamppost S1 2018-11-05 99.90% Online
N-1525 Street Utility pole, under a city permit E2 Lamppost S2 2018-11-21 99.82% Online
N-1790 Rooftop Bungalow A5 Stoop R6 2020-01-03 99.88% Online
N-2141 Rooftop Barbershop C3 Stoop R6 2021-02-15 99.88% Online
N-2151 Rooftop Rowhouse A5 Stoop R5 2021-03-16 99.97% Online
N-2266 Rooftop Duplex G3 Stoop R5 2021-08-03 99.80% Online
N-2355 Rooftop Bungalow E1 Stoop R5 2021-10-27 99.96% Online
N-2392 Rooftop Walk-up, three storeys E3 Stoop R5 2022-01-26 99.84% Online
N-2889 Rooftop Three-family house G1 Stoop R5 2023-11-03 99.91% Online
N-2911 Rooftop Walk-up, three storeys F1 Stoop R5 2023-12-21 99.93% Online
N-3029 Rooftop Duplex D2 Stoop R5 2024-07-07 99.82% Online
N-3099 Street Utility pole, under a city permit A4 Lamppost S2 2024-10-05 99.95% Online
N-3109 Rooftop Two-family house C5 Stoop R6 2024-10-21 99.92% Online
N-3125 Rooftop Triple-decker H3 Stoop R6 2024-11-21 99.81% Online