[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
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> > 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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