[ARC5] Development of radio during WWI

[Bob Macklin]

During WWI there was a mode of telegraphy were ground current was used. The 
stations used rods driven into the ground as their antennas. Not actually 
radio but it did work. I have seen the patents on this mode that date back 
to about 1898.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Ian Wilson" <ianmwilson73 at gmail.com>
To: "Discussion of AN/ARC-5 military radio equipment." 
<arc5 at mailman.qth.net>
Sent: Sunday, September 19, 2010 7:52 AM
Subject: [ARC5] Development of radio during WWI


>I know this is somewhat off topic but it seemed like a good list to ask.
> I am preparing a short speech on some radio-related topic. It occurred to
> me that the changes in use and equipment during WW I must have been
> tremendous, and this would make a good speech topic.
>
> I thought there might have been some history in the early (1936) Radio
> Handbook
> that I have, but there is no mention of the period. I guess it was distant
> past - in
> radio terms - by then.
>
> Any (on-line) references to this topic that the list members could
> recommend?
>
> 73, ian K3IMW
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