Virtual Private Server (VPS) Hosting provided by Central Point Networking cpnllc.com
For some reason, the "Nodelist" and "Recent Callers" features are not working.
| Sysop: | Ray Quinn |
|---|---|
| Location: | Visalia, CA |
| Users: | 50 |
| Nodes: | 10 (0 / 10) |
| Uptime: | 69:35:00 |
| Calls: | 2 |
| Files: | 11,894 |
| Messages: | 148,370 |
Check out the US 99 menu above for links to information about US Highway 99, after which the US 99 BBS is named.
Be sure to click on the Amateur Radio menu item above for packet BBSes, packet software, packet organizations, as well as packet how-to's. Also included is links to local and some not-so-local Amateur Radio Clubs.
There is now a big push to finish installing Positive Train Control
passenger routes.
But what was wrong with the older technology would that automatically
stop a train if it passed a red signal or exceeded the speed limit
(per signal) for a block?
It seems the old system did everything we would want:
detailed article describing it here: https://books.google.com/books?id=0SADAAAAMBAJ&lpg=PA2&dq=popular%20science%20july%201951&pg=PA50#v=onepage&q&f=false