[time-nuts] Questions about Austron 5000 Loran C receiver

[Bob Camp]

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" <dlewis6767 at austin.rr.com> 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: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] 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 <jimlux at earthlink.net> 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.
>> 
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