[NJARC] Radio Fog Signals?

[Harry Klancer]

Pete,

When? WWI time period? This book is from 1924. Ray might be able to shed
some light (or maybe 1 meter waves) on this.

                                   H

On 9/11/2018 5:30 PM, Pete wrote:
> 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 
> <mailto: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 <mailto:a.b.magoun at ieee.org>
>>> www.ethw.org <http://www.ethw.org>
>>> www.ieee.org/history_center <http://www.ieee.org/history_center>
>>>
>>> IEEE - Advancing Technology for Humanity
>>>
>>>
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