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#低轨卫星

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Sep 15Tue
  1. China Tourism News

    Chinese Airlines Upgrade In-Flight WiFi: Ground-to-Air and Satellite Paths

    China Tourism News republished a People's Daily report that some Chinese airlines are upgrading in-flight WiFi. China Eastern wide-body passengers can already enjoy smooth connectivity. Experts say in-flight WiFi meets airworthiness safety standards, with strict frequency and physical isolation between avionics and passenger WiFi. Two main connectivity paths exist: ground-to-air, which is cheaper and lower-latency but base-station dependent, and satellite, which offers wide coverage but higher latency. Chinese civil aviation mainly relies on high-orbit satellites while accelerating low-orbit constellation buildout.

  2. Pinchain Tourism

    Airlines Boost In-Flight WiFi: LEO Satellite Constellation to Deliver Ground-Level Experience

    Recently, many passengers on China Eastern Airlines wide-body flights have enjoyed smooth internet service at 10,000 meters. A China Eastern expert said in-flight WiFi provided by major domestic airlines meets airworthiness safety standards, as modern civil aircraft avionics and passenger WiFi have strict frequency and physical isolation, and connecting after switching phones to airplane mode will not interfere with navigation or communication equipment. Aircraft connectivity mainly uses two technical paths: air-to-ground communication and satellite communication. Air-to-ground is mature, lower-cost, and lower-latency, with speeds close to ground 4G, but only works where ground base station…