More info, sorry I don't know how to reply to posts on this forum yet. it's not very obvious how that is done.
There have been more than a dozen views of the YouTube video. so there is some interest in this.
I expected some e-mails sent to me but none yet. then I noticed my e-mail address on the YouTube page is SPELLED WRONG !
Apologies, a friend posted that page for me, I have asked him to correct it but in the meantime, this is my CORRECT address :
pelican2@silcom.com ( note pelican is spelled with ONE "L", not two )
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I have also posted a PowerPoint show on my website ( 26 slides in it ) describing the proposed DF network, in fairly deep detail...
http://www.silcom.com/~pelican2/DF_Network.ppsx
Some of the info in it is obsolete, the remote control software to run the Icom PCR radios ( written in Java ) is no longer valid...
Pity, it really worked great, but Oracle made some changes than rendered it useless. There are alternatives, though.
All the remaining technology ( including the DF stuff and GE webserver ) remain valid.
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The program that created that YouTube display is free and available for download on my website, here :
www.picodopp.com
The program is called DoppSite, you need a DF to actually use it, but there is a built-in TEST mode that allows the simulation to be run on a Windows PC without any DF or radio hardware.
( that is what the YouTube video shows )
TNX DE WB6EYV
There has been a suggestion that this would be a candidate for a grant from ARDC.
Here are some general considerations for a research and development grant to be successful:
- You need to apply as a qualified recipient (a 501(c)(3), educational institution, government entity) or have a qualified entity act as the fiscal sponsor. - The products (hardware/software/documentation) must be Open Source and freely available - The grant can include engineering and development costs, including tools, labor, prototypes, etc.
Given this, one can apply at https://www.ampr.org/apply
Personally, I would recommend a design that includes RF circuitry and GPS (w/PPS) and could be a Pi HAT, USB, or network attached device. If you want wide adoption keep the cost down, and provide a design for good packaging.
An open source design can be manufactured and sold, but the manufacturer would not have exclusive rights to use the design.
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K7VE - John -
Robert Simmons