I remember various licensing issues in GNSS magazine. On Sun, Aug 5, 2018 at 2:28 PM, Bob kb8tq <[email protected]> wrote:
> Hi > > There are multi GNSS receivers out there. Some may do Galileo. That’s > different than a multi-band (L1 / L2 / L5) receiver that will do Galileo. > Since > the band naming conventions change between systems, even working out > what’s what is a bit exciting. > > Galileo is a bit more “closed source” than the other systems. If you want > to do > this or that, there’s a license fee. The more you want to do, the more it > costs > to license your design. Like the other systems, they also have > restrictions on > some signals ( = not for civilian use). > > Bob > > > On Aug 5, 2018, at 12:40 PM, paul swed <[email protected]> wrote: > > > > Bob you sure about that? > > I could have sworn a multi-band receiver was on ebay for $32. > > Made special in N Korea. > > That said I guess I will stick with the always working simple GPS for > now. > > > > On Sun, Aug 5, 2018 at 12:43 PM, Bob kb8tq <[email protected]> wrote: > > > >> Hi > >> > >> > >>> On Aug 5, 2018, at 11:04 AM, paul swed <[email protected]> wrote: > >>> > >>> Mark > >>> I have several questions. > >>> Would we observe and be able to take advantage of the better clock. > >> > >> Right now … now so much > >> > >>> Or is > >>> that lost in the various other transmission effects? > >> > >> Modeling matters a lot, they are still working the kinks out of that > part > >> of it. > >> > >>> If better what would it take to have a reference built up leveraging > >> that? > >> > >> A multi-band receiver that picks up all three bands ( and is licensed to > >> do so … > >> a whole other issue) probably is the first link in the chain. > >> > >>> Perhaps a precision timing receiver. > >> > >> Right now, a “typical” multi band receiver is in the > $10K range. Some > >> are > >> two to three times that. > >> > >> Bob > >> > >>> I stop there because that opens up > >>> several ways to leverage the 1PPS or perhaps the code clock. > >>> Regards > >>> Paul > >>> WB8TSL > >>> > >>> On Sat, Aug 4, 2018 at 11:41 PM, Mark Sims <[email protected]> wrote: > >>> > >>>> Three of the four Galileo satellites launched last December have been > >>>> activated (passive hydrpren maser clocks) bringing the total number of > >>>> usable sats to 17. The fourth one is still "under comiisioning" . > >> Four > >>>> more sats were launched last month... hopefully it won't take them 8 > >> months > >>>> to commission... > >>>> _______________________________________________ > >>>> time-nuts mailing list -- [email protected] > >>>> To unsubscribe, go to http://lists.febo.com/mailman/ > >>>> listinfo/time-nuts_lists.febo.com > >>>> and follow the instructions there. > >>>> > >>> _______________________________________________ > >>> time-nuts mailing list -- [email protected] > >>> To unsubscribe, go to http://lists.febo.com/mailman/ > >> listinfo/time-nuts_lists.febo.com > >>> and follow the instructions there. > >> > >> > >> _______________________________________________ > >> time-nuts mailing list -- [email protected] > >> To unsubscribe, go to http://lists.febo.com/mailman/ > >> listinfo/time-nuts_lists.febo.com > >> and follow the instructions there. > >> > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to http://lists.febo.com/mailman/ > listinfo/time-nuts_lists.febo.com > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to http://lists.febo.com/mailman/ > listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
