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UK-Channel Islands-7

In Service

124 km · 2 Landing Points · 2 Countries · Ready for Service: 1994

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Specifications

Length124 km
StatusIn Service
Ready for Service1994
Landing Points2
Countries2

Owners

BT Sure

Landing Points (2)

Location Country Position
L'Ancresse Bay, Guernsey GG Guernsey 49.5034°, -2.5335°
Stoke Fleming, United Kingdom GB United Kingdom 50.3243°, -3.5985°

📡 Live Performance

93
measurements
2
probes
56
days monitored
23.9
ms avg RTT
0
anomalies

Monitored from 2026-03-28 through 2026-05-24 — live ICMP round-trip time measurements via RIPE Atlas probes. All values below are recomputed daily from raw probe data. ✓ No anomalies detected in the monitored period.

Measurement sources

Probe Location Samples Avg Min–Max Last seen
#61861 RIPE Atlas 91 23.8 ms 20.9–53.4 2026-05-24
#1008530 RIPE Atlas 2 26.4 ms 25.8–27.0 2026-03-28

About the UK-Channel Islands-7 Cable System

Overview

UK-Channel Islands-7 is a 124 km point-to-point submarine cable that connects Guernsey and the United Kingdom. The cable was ready for service in 1994 and is operated by BT and Sure.

Route and Landings

Landing at L'Ancresse Bay, Guernsey:

  • L'Ancresse Bay, Guernsey

Landing at Stoke Fleming, United Kingdom:

  • Stoke Fleming, United Kingdom

Ownership and Operators

The cable is owned by BT and Sure.

Status and Timeline

UK-Channel Islands-7 was ready for service in 1994. The status of the cable is unknown.

Strategic Context

The UK-Channel Islands-7 submarine cable connects Guernsey and the United Kingdom, providing a direct fiber-optic path between these two countries. This connection is part of the broader regional infrastructure that supports telecommunications and data transfer within the British Isles. BT (British Telecom) is one of the largest telecommunications companies in Europe, with operations spanning multiple countries across the continent. Sure, formerly known as Three UK, is a major mobile network operator in the United Kingdom, offering both fixed-line and mobile services. Guernsey, one of the Channel Islands, serves as an important financial center and has its own telecommunications infrastructure. The cable plays a role in supporting local communications needs and potentially international traffic routed through the island. On the United Kingdom side, Stoke Fleming is a significant landing point that connects to the national network, facilitating data transfer between the island and mainland services. This submarine cable is part of the extensive regional fiber-optic network designed to enhance communication capabilities within the British Isles, supporting both commercial and residential users.

📡 Health

Status✓ Normal
RTT23.99 ms / base 24.74 ms
Last checked2026-05-24 14:30

Monitored using RIPE Atlas probes. Open monitoring →

📊 RTT History

Route: #61861 → Stoke Fleming Measured: 2026-05-24 14:30
24 ms
Min Avg Max #
7 days 20.9 25.2 51.8 31
30 days 20.9 24.0 53.4 73
60 days 20.9 23.8 53.4 91

Health Timeline

Fri, May 22
View full event log →
Stoke Fleming
RTT Spike
23ms → 52ms (2.29×)
04:30
Sun, May 17
View full event log →
🔗
Hop Anomaly
21ms → 81ms (3.78×)
08:30
Sat, May 16
View full event log →
🔗
Hop Anomaly
4ms → 76ms (17.95×)
04:30
Tue, May 5
View full event log →
Stoke Fleming
RTT Spike
23ms → 53ms (2.34×)
04:30
Fri, Apr 17
View full event log →
🔗
Hop Anomaly
13ms → 61ms (4.57×)
23:00

FAQ

What is the length of the UK-Channel Islands-7 cable?
The UK-Channel Islands-7 submarine cable is 124 km long.
Which countries does UK-Channel Islands-7 connect?
UK-Channel Islands-7 connects 2 countries via 2 landing points.
Who owns the UK-Channel Islands-7 cable?
UK-Channel Islands-7 is owned by a consortium including BT, Sure.
When was UK-Channel Islands-7 put into service?
The UK-Channel Islands-7 cable entered service in 1994.
UK-Channel Islands-7
  • Length124 km
  • StatusIn Service
  • Ready for Service1994

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