LF: Re Loomis? & ... 12.47 Hz. Literature and patents.

[James Hollander <mrsocion@aol.com>]

 

Re Claudio’s FB reference on measurements of atmospheric electric field daily, seasonally and over years: 

 

Listed below, see some references I’m using to get acquainted with this area of communications.  If any of us have further useful references, I’d enjoy learning about them.

http://www.feynmanlectures.caltech.edu/II_09.html   Feynman lectures intro

https://en.wikipedia.org/wiki/Atmospheric_electricity   Wiki includes 18^th-19^th century work

http://pat2pdf.org/patents/pat0129971.pdf   (1872) Loomis electric circuit idea of telegraph without wires

http://pat2pdf.org/patents/pat1014719.pdf    (1912) Apparatus for Collecting Electrical Energy.   W. Pennock

https://www.chegg.com/homework-help/questions-and-answers/resistance-atmosphere-conductivity-earth-s-atmosphere-increases-height-due-ionization-sola-q35218415     Formula for atmospheric conductivity

https://encyclopedia2.thefreedictionary.com/Atmospheric+Conductivity  air conductivity

 

GL, Stefan, with your experiment in progress!

 

73, Jim H    W5EST