{
 "schemaVersion":"subsea-connectivity-catalog-v1",
 "reviewedOn":"2026-10-15",
 "geometryBasis":"Watchtower-authored schematic great-circle links between approximate named landing localities. Not seabed routes, exact landing stations, branching units or surveyed cable positions.",
 "license":"CC-BY-4.0 (Watchtower-authored schematic geometry and factual compilation; linked publisher text/maps are not redistributed)",
 "localities":{
  "bandon":{"name":"Bandon, Oregon, US","coordinates":[-124.41,43.12]},
  "hermosa":{"name":"Hermosa Beach, California, US","coordinates":[-118.40,33.86]},
  "elsegundo":{"name":"El Segundo, California, US","coordinates":[-118.42,33.92]},
  "harbour":{"name":"Harbour Pointe, Washington, US","coordinates":[-122.31,47.90]},
  "grover":{"name":"Grover Beach, California, US","coordinates":[-120.62,35.12]},
  "chikura":{"name":"Chikura, Japan","coordinates":[139.96,34.96]},
  "shima":{"name":"Shima, Japan","coordinates":[136.83,34.33]},
  "maruyama":{"name":"Maruyama, Chiba, Japan","coordinates":[139.97,35.04]},
  "ajigaura":{"name":"Ajigaura, Japan","coordinates":[140.61,36.38]},
  "tamsui":{"name":"Tamsui, Taiwan","coordinates":[121.44,25.17]},
  "toucheng":{"name":"Toucheng, Taiwan","coordinates":[121.82,24.86]},
  "baler":{"name":"Baler, Philippines","coordinates":[121.56,15.76]},
  "daet":{"name":"Daet, Philippines","coordinates":[122.96,14.12]}
 },
 "systems":[
  {"id":"faster","name":"FASTER","source":"Submarine Networks · FASTER system overview","sourceUrl":"https://www.submarinenetworks.com/en/systems/trans-pacific/faster","status":"Source reports ready for service from June 2016; current live service not independently verified","pairs":[["bandon","chikura"],["bandon","shima"],["bandon","tamsui"]],"note":"Selected US-to-Asia same-system connections; the Taiwan branch and Japanese landings do not imply separate direct physical cables."},
  {"id":"unity","name":"Unity / EAC Pacific","source":"Submarine Networks · Unity system overview","sourceUrl":"https://www.submarinenetworks.com/en/systems/trans-pacific/unity","status":"Source reports ready for service April 2010 and upgrade in January 2023; not live telemetry","pairs":[["hermosa","chikura"]],"note":"Source identifies Hermosa Beach landing and Chikura; Los Angeles backhaul is not drawn as a subsea cable."},
  {"id":"jupiter","name":"JUPITER","source":"Submarine Networks · JUPITER system overview","sourceUrl":"https://www.submarinenetworks.com/en/systems/trans-pacific/jupiter","status":"Source reports main trunk ready May 2021 and Philippines branch July 2022; not live telemetry","pairs":[["hermosa","maruyama"],["hermosa","shima"],["hermosa","daet"]],"note":"Same-system connectivity, not branch geometry. Oregon branch is outside this selected endpoint projection."},
  {"id":"plcn","name":"Pacific Light Cable Network","source":"Submarine Networks · PLCN overview; Wikipedia · PLCN landing locality","sourceUrl":"https://www.submarinenetworks.com/en/systems/trans-pacific/plcn","additionalSourceUrl":"https://en.wikipedia.org/wiki/Pacific_Light_Cable_Network","status":"Source reports US–Taiwan/Philippines commercial-operation licences granted January 2022; not live telemetry","pairs":[["elsegundo","toucheng"],["elsegundo","baler"]],"note":"Cancelled US–Hong Kong connection is deliberately excluded. Selected authorised connections do not establish current operational status."},
  {"id":"pc1","name":"Pacific Crossing PC-1","source":"Pacific Crossing · operator network description","sourceUrl":"https://www.pc1.com/network-and-services","status":"Operator describes its existing US–Japan ring; current live traffic not measured","pairs":[["harbour","ajigaura"],["grover","shima"]],"note":"Operator-listed ring landing localities; schematic trans-Pacific connections, not exact cable alignments. US/Japan coastal ring sections are not drawn here."}
 ]
}