Mail: The NRE™ Group, 5709 Kettering Court, Richardson, Texas, 75082
The article "An Illusion of Secrecy" by Larry Randall was serialized in "Public Safety Communications Magazine". It serves as a good primer for those interested in encryption, and for those interested in data transmission over radio channels.
The article is written to a non-technical audience that has a requirement to grasp the issues and constraints encountered when applying encryption to various communications media, Please read the "Note to Reader".
AN ILLUSION OF SECRECY:
EMCOMM / NVIS Tools
As part of our owner's long-time personal commitment to emergency preparedness and emergency management, we also offer education and tools related to Emergency Communications, Disaster Response, and Emergency Preparedness. Many of these are free of charge.
Larry Randall is available as a speaker for civic organizations, disaster preparedness groups, emergency management and communications groups, and amateur radio organizations. Fees are modest, and sometimes free. Please email Larry@NREGroup.net, and use subject line "Speaker" to discuss a potential speaking engagement.
VOACAP Path Analysis Tools
The VOACAP Path Analysis Tools automatically parse the output of several VOACAP text files and produce comparitive graphs of MUF, Take-off Angle, Virtual Height, and SNR.
This set of tools was developed by Larry Randall, WA5BEN. Each is protected by Copyright.
You may freely use and distribute any or all of the VOACAP Path Analysis Tools for non-commercial purposes, so long as no fee is charged for use, copying, or distribution. Any sale, any distribution as part of a collection of tools, or any distribution that requires payment requires a license. Any use of the any tool for any Commercial purpose requires a license. Please direct license inquiries and/or comments to: Larry@NREGroup.net
or by mail to: Larry Randall, 5709 Kettering Court, Richardson, Texas, 75082
RIGHT CLICK the links below and select SAVE AS:
PATH ANALYSIS TOOL:
NVIS OPERATION PRESENTATION:
DPS OP SECURE MANUAL: