More than 3500 obstacles identified by S.I.A. including:
+ 1 000 radio and television antennas, telecommunications towers
+ 1 000 microwave towers and telecom transmitters
+ 200 cooling towers, smokestacks and flares
+ 500 water towers
+ lighthouses
+ biggest bridges and viaducts
+ complete set of thermal and nuclear power plants
Details of obstacles and landmarks included:
+ 350 000 power towers with lighting in the vicinity of airports, representing virtually all High Voltage and Extra High Voltage networks
+ 3000 HV substations
+ 2800 windmills
+ 45 000 churches, cathedrals, basilicas
+ 10 000 water towers
+ 5 000 agricultural silos
+ 11 000 industrial tanks
+ 11 000 antennas
No comments:
Post a Comment