[time-nuts] Wanted - AN/URQ-10 manual

DaveH info at blackmountainforge.com
Sun Nov 18 08:32:02 UTC 2012


Another FORTH fan here.

Originally written to control radio telescopes -- hardware was changing all
the time so the language was by definition designed to be extensible.  Want
to add a function? Define it, give it a name and bingo... 

Sometimes less __IS__ Moore.



> -----Original Message-----
> From: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Don Latham
> Sent: Saturday, November 17, 2012 23:19
> To: M. Simon; Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Wanted - AN/URQ-10 manual
> 
> Forth forever!!!
> Don L
> M. Simon
> > Can't help you with the manual but I just wanted to say 
> that the 1051
> > was one of my favorites. Loved the PLLs. I worked on an upgrade for
> > Stewart Warner back in the early 80s. As part of a 
> prototype I put two
> > Z-80 systems in the space between the front panel and the main gear.
> > Part of its purpose was to interface to the 1553 bus. I 
> also implemented
> > a DDS in TTL for fine tuning. I still like tube front ends for mil
> > radios for ruggedness. But you can't sell it because of 
> wear out issues.
> >
> >
> > The Navy didn't buy in to the prototype. Collins beat us. 
> The code for
> > the processors was written in Forth. The Navy "code 
> inspector" said it
> > was some of the best written code he had seen in several 
> years. We also
> > could complete a design cycle - including code - in a 
> month. The Collins
> > boys had a team 10X as large as ours (we had 3). And it took them 6
> > months to complete a design cycle using "C". I was project 
> manager and
> > lead engineer. I was mostly hardware but I did some 
> software and rode
> > heard on the coders. Forth was my idea.
> >
> >
> > I also put a Z-80 inside the companion 1KW transmitter. The 
> RF inside
> > the transmitter was a few volts per inch. I used a sealed 
> box and a  lot
> > of feed through filters. It worked the first time. 
> >
> > I also worked with the gear in Navy ETA school. And went on 
> to become a
> > Nuke so I didn't see that radio gear again until about 15 
> years later.
> >
> >  
> > Simon
> >
> >
> > Engineering is the art of making what you want from what 
> you can get at
> > a profit.
> > _______________________________________________
> > time-nuts mailing list -- time-nuts at febo.com
> > To unsubscribe, go to
> > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> > and follow the instructions there.
> >
> >
> 
> 
> -- 
> "Neither the voice of authority nor the weight of reason and argument
> are as significant as experiment, for thence comes quiet to the mind."
> De Erroribus Medicorum, R. Bacon, 13th century.
> "If you don't know what it is, don't poke it."
> Ghost in the Shell
> 
> 
> Dr. Don Latham AJ7LL
> Six Mile Systems LLP
> 17850 Six Mile Road
> POB 134
> Huson, MT, 59846
> VOX 406-626-4304
> www.lightningforensics.com
> www.sixmilesystems.com
> 
> 
> 
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