dxtra.com — Global Shipping Map

Live AIS vessel tracking — powered by VHF radio (161.975 / 162.025 MHz)
Home TROPO Shortwave
AIS (Automatic Identification System) operates on VHF Ch.87B (161.975 MHz) and Ch.88B (162.025 MHz) Self-organizing TDMA — ships broadcast position, course, speed, and identity every 2-10 seconds

Vessel Traffic Analysis — Updated Every 30 Minutes

Elbow Chokepoint Vessel Count
Chokepoint Transit Zone
Vessel Traffic by Zone
Traffic by Zone
Vessel Type Breakdown
Vessel Type Breakdown

Analysis based on automated AIS vessel position captures. Vessel counts derived from satellite-fed map data via computer vision. Charts update every 30 minutes. Data collection began April 19, 2026.