Re: [time-nuts] Confusion over Thunderbolt - noob is going crazy

2019-11-15 Thread Dustin Marquess
As far as I'm aware, the Thunderbolt E models are the only one ones with firmware new enough to handle the WNRO. Even the single-oven OXCO version of the E is EOL, but it at least is new enough. I'm also pretty sure the Es have BNC connectors, at least both of mine do. -Dustin On Fri, Nov 15,

Re: [time-nuts] chrony vs other NTP

2019-09-26 Thread Dustin Marquess
On Thu, Sep 26, 2019 at 6:08 PM djl wrote: > > > Any quick opinions re use of chrony vs other NTP implementations? > THANKS > Don It really depends on the use case. chrony seems to pick a "best" source and try really really hard to track that one true source. ntpd tries to intelligently track

Re: [time-nuts] Do GPS augmentation services improve 1pps?

2019-04-15 Thread Dustin Marquess
I’m sure it’s probably receiver specific. I know the M8 series of UBlox specifically say to disable SBAS for timing purposes. Not sure about the Novatel. -Dustin On Apr 14, 2019, 9:00 PM -0500, Skip Withrow , wrote: > I'm wondering if GPS augmentation services improve a receiver's 1pps >

Re: [time-nuts] Ublox F9P multi-band GPS receiver

2019-01-25 Thread Dustin Marquess
three P9Ts so that you can use > > differential mode for best timing accuracy. I see no on board quantization > > error correction mentioned, nor quantization error reporting though I > > expect that is there, so for best accurracy that has to be added. This > > loo

Re: [time-nuts] Ublox F9P multi-band GPS receiver

2019-01-24 Thread Dustin Marquess
This looks ideal to me: https://www.u-blox.com/sites/default/files/RCB-F9T_ProductSummary_%28UBX-18069985%29.pdf -Dustin On Wed, Jan 23, 2019 at 8:01 PM Angus via time-nuts wrote: > > Hi, > > It doesn't look like the F9P does anything special for timing - the > timing specs given in the F9T

Re: [time-nuts] Ublox F9P multi-band GPS receiver

2019-01-21 Thread Dustin Marquess
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 wrote: > > Hi > > From a *very* quick read of the doc’s: > > 1)