On 4/10/2012 10:48 AM, Channel Jumper wrote:
'Rob[_8_ Wrote:
;789340']Szczepan Bialek wrote:-
In 1909 Marconi wrote:
http://tinyurl.com/c3j4ghj

"The necessity or utility of the earth connection has been sometimes
questioned, but in my opinion no practical system of wireless
telegraphy
exists
where the instruments are not connected to earth."

It is still true?
S*-

I hope you have your GSM phone firmly connected to earth, or it would
operate in violation of Marconi's observations.

A mobile device uses the user as the counterpoise.

Incorrect. The antennas used do not need a counterpoise. In fact the
user is often a hindrance to the antenna working properly.

tom
K0TAR