The LB uses a modern, third generation GPS module , Ublox 7 or 8 that has the weak signal performance of its generation. Streets ahead of the old Trimbles , Motorola and Garmins we used to love. Here I use a passive patch antenna on mine in the shack and it stays locked.
On Tue, 20 Jul 2021 at 20:34, David G. McGaw <david.g.mc...@dartmouth.edu> wrote: > I have been using several versions of the UCCM units (Trimble, > Symmetricom and Samsung) with mostly good results, both bare and > packaged, as well as having several Thunderbolts. The one thing that > the Bodinar unit has which is nice is the synthesizer built in. The > Thunderbolts and UCCMs do not have this. On the other hand, as has been > said, the Bodinar unit has poor hold-over performance if you lose GPS > lock, which here in NH amongst the trees and hills can happen fairly > frequently. As a result, I use OXCO GPSDOs with an external synthesizer. > > David N1HAC > > On 7/20/21 1:32 PM, N1BUG wrote: > > Good question on the Leo Bodnar comparison. That's what I am using now > > and I am sure it is good enough for my purposes but I really want > > something I can use with LH and maybe the KO4BB Thunderbolt Monitor. I > > also inquired about the Thunderbolts and hope there's enough supply > > that I can grab one. I've been looking for a while but am hesitant on > > eBay units. > > > > Paul N1BUG > > > > > > > > On 7/20/21 1:11 PM, Bob Darlington wrote: > >> Same. He probably got 250+ requests in short order. I'm curious how > >> the > >> Leo Bodnar GPSDOs compare. I'm considering one of these over a > >> thunderbolt for field use for ham radio EME work. > >> > >> -Bob N3XKB > >> > >> On Tue, Jul 20, 2021 at 10:59 AM Wes <w...@triconet.org> wrote: > >> > >>> I wrote Tom, at the address he gave, on Saturday with a query. So > >>> far, no > >>> reply. > >>> > >>> Wes N7WS > >>> > >>> On 7/19/2021 4:59 PM, John Miles wrote: > >>>> If you're looking for a low cost surplus GPSDO, the ones Tom > >>>> mentioned in > >>>> his post on Saturday are the ones you want. Not a Thunderbolt-E, > >>>> and not > >>>> something from the China surplus/e-waste market. > >>>> > >>>> -- john, KE5FX > >>>> > >>> _______________________________________________ > >>> time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe > >>> send > >>> an email to time-nuts-le...@lists.febo.com > >>> To unsubscribe, go to and follow the instructions there. > >> _______________________________________________ > >> time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe > >> send an email to time-nuts-le...@lists.febo.com > >> To unsubscribe, go to and follow the instructions there. > >> > > _______________________________________________ > > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe > > send an email to time-nuts-le...@lists.febo.com > > To unsubscribe, go to and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send > an email to time-nuts-le...@lists.febo.com > To unsubscribe, go to and follow the instructions there. -- Andy (out keeping fit) _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.