If you scroll down to the bottom of the product pages for the zed-f9x modules, you'll see the 'ANN-MB', a L1/L2/E5b antenna that ublox is presumably making to go with the ZED-F9. It's still marked 'preorder'
Cheers Michael On Tue, 22 Jan 2019 at 6:00 am, Bob kb8tq <[email protected]> wrote: > Hi > > To be more precise, what you want is a L1/L2/L5 triple band antenna. > > Bob > > > On Jan 21, 2019, at 11:32 AM, Bob kb8tq <[email protected]> wrote: > > > > Hi > > > > Based on the F9P data sheet, you will need an L1 / L2 antenna that is > wide enough > > to get the Galileo E5B as well as the Glonass L1OF and L2OF bands. The > gotcha > > is that (so far) I have not found a gain number for the target antenna. > As we have > > found on other modules, you do want to get the right gain. L1/L2 > antennas range > > from 50+ db down to below 30 db. Simply tacking a pad on a 50 db antenna > is not > > the best way to do things if you are in an urban area. > > > > There also is the issue of powering the antenna. It is not clear what > sort of antenna > > bias circuit the SparkFun module has on it. If it simply is using the > module’s bias setup > > that also could be an issue. Max Vcc on the module is 3.6V. The VCC_RF > pin can have > > main Vcc - 0.1V max on it. If that *really* means that 3.3V is about it > for antenna bias, > > that eliminates roughly 100% of all the used antennas out there. It also > eliminates a > > number of the new ones. > > > > If you put in an external bias setup, there are a lot of antennas to > pick from on eBay. > > They come and go. The used stuff generally will be 12V powered. It also > is likely > > to have a pretty good data sheet on it. The new stuff from China seems > to be sold > > by a variety of people who pop up for a while and then go away for a > while. Making > > sure of what you are getting is a bit tough as a result. There are > extensive stories > > in the archives ….. > > > > Bob > > > >> On Jan 21, 2019, at 10:21 AM, Graham / KE9H <[email protected]> > wrote: > >> > >> What kind of antenna is needed to simultaneously hear all of the > systems at > >> once? > >> My PCTel GPS antenna has a filter that limits it to only the US GPS > system. > >> > >> --- Graham > >> > >> == > >> > >> On Mon, Jan 21, 2019 at 4:01 AM Dustin Marquess <[email protected]> > wrote: > >> > >>> If DigiKey's pricing is accurate, the ZED-F9T is $13.89 more than a > >>> ZED-F9P. I would have gladly paid $14 more for a version of the > >>> SparkFun board using the T(iming) version instead :(. > >>> > >>> On Mon, Jan 21, 2019 at 12:10 AM Bob kb8tq <[email protected]> wrote: > >>>> > >>>> Hi > >>>> > >>>> From a *very* quick read of the doc’s: > >>>> > >>>> 1) The device *does* have a position hold capability > >>>> > >>>> 2) There is some level of data on the time pulse. It it only 1 ns > >>> resolution? > >>>> > >>>> 3) It does appear to support Galileo and Glonas in addition to GPS. > >>>> > >>>> 4) It is clearly multi-band for GPS. It is unclear from a quick read > if > >>> it is multi-band for the other systems. > >>>> > >>>> 5) If you get one, make sure you have the RF cable connector it needs. > >>>> > >>>> 6) I have not (yet) found a recommendation for the antenna gain. > >>>> > >>>> Again, all from a quick read …. > >>>> > >>>> Bob > >>>> > >>>>> On Jan 20, 2019, at 5:42 PM, Mark Sims <[email protected]> wrote: > >>>>> > >>>>> Sparkfun is now selling the Ublox F9P L1/L2 GPS receiver module on a > >>> board ($219). The F9P supports GPS/Galileo/Glonass/Beidou and tracks > L1/L2 > >>> data. It outputs carrier phase data and has survey-in and fixed > position > >>> support along with RTK support (10 mm accuracy). Looks like the F9P > has 1 > >>> time pulse output. > >>>>> _______________________________________________ > >>>>> 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.
