 |
|
|
|
|
|
|
||
 |
|
|||||||
 |
|
|||||||
cone of silence
Definition/Scope: An inverted cone-shaped space directly over the aerial towers of some forms of radio beacons in which signals are unheard or greatly reduced in volume.
Related Terms:
radio beaconsZ marker beacons
|
|
|
|
|
|
|
|
|
||
|
|
|||||||
|
|
|||||||
cone of silence
Definition/Scope: An inverted cone-shaped space directly over the aerial towers of some forms of radio beacons in which signals are unheard or greatly reduced in volume.
Related Terms:
radio beacons
|
|
