[NJARC] Radio Fog Signals?

[Pete]

If you check back into early wireless texts you may find information on Germans experimenting with spark transmission to detect ships.  I can’t remember the source but I’m sure I’ve read that at one time. 

Sent from my iPhone

> On Sep 11, 2018, at 10:49 AM, Harry Klancer <klancer2 at comcast.net> wrote:
> 
> Just remember
> Reply = Poster
> Reply All = Everyone
> 
> _________________________________________________________
> And Radar Ray may be interested in this comment at the end of the book:
> 
> "It has been suggested that with very short wave lengths - say of 1 meter - it may be 
> possible to measure distance by the strength of the signals, -->> and to judge of the 
> distance of another vessel by the reflection back from it of a beam of these rays
> directed toward it. <<--"
> 
>                                       H
> 
>> On 9/10/2018 9:11 PM, Alex Magoun wrote:
>> Just remember
>> Reply = Poster
>> Reply All = Everyone
>> 
>> _________________________________________________________
>> 
>> 
>> Yes! Because, radio history buffs--I'm thinking you, Al and Ray--have demanded it, that classic work, Radio Fog Signals and the Radiocompass (1924), is now fully readable on Google Books: https://books.google.com/books?id=Tc5BAAAAIAAJ&printsec=frontcover#v=onepage&q&f=false.
>> 
>> Cheers, Alex
>> ~~~
>> Alexander B. Magoun, Ph.D., Outreach Historian
>> IEEE History Center
>> Samuel C. Williams Library 3rd Floor
>> Stevens Institute of Technology
>> 1 Castle Point Terrace
>> Hoboken NJ 07030-5991
>> USA
>> 
>> +1 732-981-3414
>> a.b.magoun at ieee.org
>> www.ethw.org
>> www.ieee.org/history_center
>> 
>> IEEE - Advancing Technology for Humanity
>> 
>> 
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