"Regarding charge accumulation from water and snow landing on the antenna,
there is a lot to learn from the aviation world. However, aircraft are
certainly contacting enormously more charged particles than precipitation
landing on an yagi. What is interesting are the devices added to aircraft to
dissipate the charge and eliminate radio interference."
While some charge accumulation on planes may be due to transfer from the
relatively highly charged drops in convective storms, I believe much of the
charge that is dissipated by those devices is due to triboelectric charging.
This is also the mechanism for creating corona in dry windy snow or desert
conditions where there is no convective storm nearby.
David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|