[time-nuts] B-1B bomber time reference

Peter Bell bell.peter at gmail.com
Sat Dec 15 01:28:14 UTC 2012


Ah, OK - I didn't realize that it was actually the first HQ radio - all I
knew was that it was the first one that I saw...



On Fri, Dec 14, 2012 at 10:49 PM, Bob Camp <lists at rtty.us> wrote:

> Hi
>
> The ARC-164 most certainly existed long before HAVE QUICK came along. My
> only point was that HAVE QUICK didn't exist before the ARC-164 got it.
>
> Bob
>
> On Dec 14, 2012, at 9:46 AM, Peter Bell <bell.peter at gmail.com> wrote:
>
> > It was certainly one of the very first radios with it - but there was
> also
> > a non HQ version (the most obvious sign was that the synthesizer slice
> just
> > had "Synth" rather than "Synth/ECCM" on it.   The RAF in the UK had a
> bunch
> > of them and wanted to modify them to HQ spec for interoperability - the
> > reason for the "special" timing box was that the one the USAF were using
> > was based on a military spec GPS receiver that was a much bigger export
> > problem than the HQ radios were.  I also have a vague memory that
> although
> > the actual GPS would work in a degraded mode if it didn't have current
> key
> > data the TOD output just turned off because it could no longer decode the
> > corrections for SA and the designers had decided that possibly wrong was
> > worse than nothing at all.
> >
> > Thinking about this stuff makes me feel old (looks at his phone with a 40
> > channel parallel tracking GPS/GLONASS receiver in it).
> >
> >
> >
> > On Fri, Dec 14, 2012 at 7:30 PM, Bob Camp <lists at rtty.us> wrote:
> >
> >> Hi
> >>
> >> Ummm…… errrr….. wasn't the ARC-164 the original HAVE QUICK radio? They
> >> certainly came out in both HAVE QUICK I and HAVE QUICK II versions.
> >>
> >> Yes, that was 30 years ago….
> >>
> >> Bob
> >>
> >> On Dec 14, 2012, at 1:24 AM, Peter Bell <bell.peter at gmail.com> wrote:
> >>
> >>> One of the very first time related projects I was involved in was for
> >>> synchronizing radios - this was when they were retrofitting HAVE QUICK
> to
> >>> the AN/ARC-164 and wanted a cheap, portable source of TOD data - the
> GPS
> >>> was a 2-Channel Magnavox unit (C/A code only) and they also did the
> >>> firmware modifications to generate the right data format (STANAG
> 4246?) -
> >>> so basically all that was left was putting them into a box with battery
> >>> backup.
> >>>
> >>> Wow, that was more than 20 years ago - I guess I'm getting old...
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