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

[Bob Camp]

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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