3 ms·
>> There are concerns that 5G signals, which use 3700-3998 MHz, can overpower radar altimeter signals, which operate in the 4200-4400 MHz band. RADALTs are tri
by sandworm101 5y ago
>> There are concerns that 5G signals, which use 3700-3998 MHz, can overpower radar altimeter signals, which operate in the 4200-4400 MHz band.
RADALTs are tricky things. They are finicky. Sometimes they get good reflections and sometimes they are confused by irregular terrain, particularly over urban areas. Imho 5G would, at most, cause radalt blackout/failure (ie no displayed altitude) rather than the far more dangerous false readings. And any interference should be intermittent. Unless you are hovering over a cell tower the strength of the 5g signal should rise and fall pretty quickly as the aircraft moves between cells.
- p_l 5y agoThat's why the areas most considered problematic are use of radar altimeter in terminal approach stages and automatic landing combined with high C-band 5G transmitters close to airport.