Govt Asks Telecom Providers to Not Install 5G Base Stations Near Airports

The Division of Telecommunications (DoT) has despatched a letter to telecom suppliers Bharti Airtel, Reliance Jio, and Vodafone to not set up C-band 5G base stations inside the 2.1 km vary of Indian airports with speedy impact, as C-Band 5G can create issues with the plane’s radio (radar) altimeters, which they depend on throughout takeoff and touchdown, and to assist keep away from crashing into mountains.

The DoT letter, seen by IANS, mentioned that the telecom service suppliers (TSPs) are suggested that “within the space, 2,100 meters from each ends of the runway and 910 meters from the middle line of the runway of Indian Airports shall don’t have any 5G/ IMT base stations within the 3,300-3,670 MHz”.

“The bottom station, nodal or repeater put in within the periphery of 540 meters surrounding the realm, the utmost energy have to be restricted to 58 dBm/ MHz in 3,300-3,670 MHz vary,” the letter mentioned.

Airtel has put in 5G base stations at airports in Nagpur, Bengaluru, New Delhi, Guwahati, and Pune, Whereas Jio has put in 5G base stations within the Delhi-NCR space.

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In response to the DoT letter, the Ministry of Civil Aviation has offered the buffer and security zone sketch and has requested to make sure mitigation measures whereas implementing C-band 5G spectrum, in and across the airport areas in view of the security considerations for the operation of plane.

The DoT requested telecom suppliers to make sure the downward tilting of 5G base stations to an extent such that the 5G emissions don’t intrude with radio altimeters.

The brand new rule will probably be relevant until the alternative of all plane Radio Altimeters filters is ensured by the DGCA.

“It’s anticipated that the Directorate Normal of Civil Aviation (DGCA) will proactively make sure the above in a time-bound and expeditious method. DGCA is requested to tell DOT as quickly because the above process is full to allow lifting of the restrictions,” learn the DoT letter.

As high-speed 5G wi-fi networks roll out internationally, pilots within the US are additionally reporting frequent issues with the plane’s radio (radar) altimeters.

In response to an evaluation of stories by IEEE Spectrum (the world’s main engineering journal) made to NASA’s Aviation Security Reporting System (ASRS), complaints of malfunctioning and failing altimeters soared after the rollout earlier this 12 months of high-speed 5G wi-fi networks, which use comparable C-band frequencies.

In January this 12 months, a minimum of three flights above Tennessee within the US concurrently skilled altimeter errors that made it “unattainable to keep up assigned altitude”, in response to one of many pilots.

One jet misplaced its autopilot fully, and reportedly had hearth vehicles ready for it on touchdown.

In response to the report, in February, a passenger aircraft on method to the Louis Armstrong Worldwide Airport in New Orleans skilled erratic low-altitude warnings because it flew beneath 1,000 toes.

In March, a business jet touchdown on autopilot at Los Angeles Worldwide Airport all of the sudden went into an aggressive descent simply 100 toes above the bottom. All three incidents — and plenty of extra this 12 months — had been linked by pilots to issues with the plane’s radio altimeters, in response to the report.

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