"Signals allow the manipulation of a process from outside its domain as well as allowing the process to manipulate itself or copies of itself (children)."

"Signal(3) - SIGQUIT - quit program"

https://www.freebsd.org/cgi/man.cgi?query=signal&sektion=3&apropos=0&manpath=FreeBSD+11.0-RELEASE+and+Ports

See also https://sites.google.com/ste/sparks31commo/.

February 26, 2017

Sunday Link List

Living down-grid, you should be able to build your own gear (at least be able to assemble a kit), troubleshoot it, and have at least basic knowledge of  RF propagation.  These useful links will help further your education.

http://www.qsl.net/pjdyer/
VHF Propagation Info


 https://archive.org/details/VhfHandbook
VHF Handbook (1956), by
William I. Orr, Herbert G. Johnson


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