Government Instructs Telcos Not To Build 5G Base Stations Within 2.1 Km Of 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 throughout the 2.1 km vary of Indian airports with rapid 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, stated that the telecom service suppliers (TSPs) are suggested that “within the space 2,100 meters from each ends of runway and 910 meters from centre line of runway of Indian Airports shall haven’t 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 metres surrounding the world, the utmost energy have to be restricted to 58 dBm/ MHz in 3,300-3,670 MHz vary,” the letter stated.

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.

Based on 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 issues for operation of aircrafts.

The DoT requested telecom suppliers to make sure 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 substitute of all plane Radio Altimeters filters is ensured by the DGCA.

“It’s anticipated that the Directorate Common 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.

Based on 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 related 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 take care of assigned altitude”, in accordance with one of many pilots.

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

Based on the report, in February, a passenger airplane on strategy to the Louis Armstrong Worldwide Airport in New Orleans skilled erratic low-altitude warnings because it flew under 1,000 ft.

In March, a business jet touchdown on autopilot at Los Angeles Worldwide Airport out of the blue went into an aggressive descent simply 100 ft 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 accordance with the report.

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