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 <li...@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.pe...@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 <li...@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.pe...@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... > >>> _______________________________________________ > >>> time-nuts mailing list -- time-nuts@febo.com > >>> To unsubscribe, go to > >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > >>> and follow the instructions there. > >> > >> > >> _______________________________________________ > >> time-nuts mailing list -- time-nuts@febo.com > >> To unsubscribe, go to > >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > >> and follow the instructions there. > >> > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.