VOR counterpoise reflects electromagnetic waves transmitted from antennas of CVOR and DVOR. Depending on the purpose of utilizing the station for approach or long route and terrain conditions of the station site, the following types of counterpoises will be used: 30-feet (9m) diameter, 60-feet (18m) diameter or 100-feet (30,5m) diameter.
+ Diameter: 9m, 18m and 10.5m.
+ Height: 3300 + 50mm
|Temperature||-50 to +600C|
|Relative humidity||100% at 550C|
|Snow||1m, 1200 newtons/sq m|
|Ice||50mm, 1200 newtons/sq m|
|Wind||190kph, 1920 newtons/sq m|