Just for grins I Googled DECUS and it is much changed but still around: http://www.decus.org/
Dave > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Bob Camp > Sent: Saturday, March 03, 2012 5:56 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Questions about Austron 5000 Loran C receiver > > Hi > > Time to get out the paper tape for 4K Focal and do some code... > > Bob > > > > On Mar 3, 2012, at 8:19 PM, "Don Lewis" > <[email protected]> wrote: > > > I still have a PDP/8 with 4k core memory out in the garage. > (a jillion RTL > > cards in it). It was free to e then, broken, ...I had to > find t\all the bad > > transistors.... > > > > During college, ..I would sit in the floor with that thing > and toggle in > > small programs in machine language to count up and down, seemingly > > impressing everyone with the binary lights dancing on the > front panel. > > > > ...this all makes me want to pull it out and 'toggle' some > more, again.... > > > > -Don > > > > > > > > ---------------------------------------- > > > > > > -----Original Message----- > > From: [email protected] > [mailto:[email protected]] On > > Behalf Of Bob Camp > > Sent: Saturday, March 03, 2012 6:55 PM > > To: Discussion of precise time and frequency measurement > > Subject: Re: [time-nuts] Questions about Austron 5000 Loran > C receiver > > > > Hi > > > > Ahhh... The days of toggling the boot loader in with the front panel > > switches. So much fin. > > > > Bob > > > > > > > > On Mar 3, 2012, at 7:45 PM, Jim Lux <[email protected]> wrote: > > > >> On 3/3/12 4:13 PM, Azelio Boriani wrote: > >>> Geez, I have read and I don't think it is possible to > replicate the CALOC > >>> PDP-8/E software nor it is useful to use the Austron 5000 > Loran receiver, > >>> my understanding is that it was used to control and steer > the system. It > >>> seems they were in use until the year 2000! Maybe that > using MATLAB it is > >>> possible to exploit the Austron 5000 functionality > nowadays, provided > > that, > >>> someway, the 12bit samples from the Austron are > transferred to the PC. > >>> Anyway to start with, at least the receiver connectors pinout is > >>> mandatory... > >>> > >> > >> There are PDP8 emulators out there. Not to mention actual > > microcontrollers that implement the PDP8 instruction set > (aside from the > > no-doubt out of production Intersil part). > >> > >> And a fair number of FPGA implementations in your choice > of language. > >> > >> While it might not be as scenic as that nice plastic see > through housing > > with all those discrete DTL circuit cards in the original > straight 8. I > > used a 8/i way back in the early 70s and I was bummed that > it was just a > > single box in the rack. > >> > >> _______________________________________________ > >> time-nuts mailing list -- [email protected] > >> To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > >> and follow the instructions there. > > > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > > > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
