On Tue, 15 Feb 2022 03:30:31 -0500, time-nuts-requ...@lists.febo.com
wrote:
time-nuts Digest, Vol 214, Issue 17
> Date: Mon, 14 Feb 2022 22:10:10 +0100
> From: Attila Kinali
> Subject: [time-nuts] Re: Types of noise (was: Phase Station 53100A
> Questions)
> To: Discussion of precise time
Greg Troxel writes:
> Read this paper
>
>
> https://hamsci.org/sites/default/files/publications/2020_TAPR_DCC/N8UR_GPS_Evaluation_August2020.pdf
The "multistep" jitter seen on the PPS plots is a deliberately induced high
frequency jitter.
The effect is to "rough up" long hanging
Larry Gadallah writes:
> I'm thinking of reviving a long dead project to build a GPSDO. The last
> time I looked, state of the art for GPS receivers was things like the
> Motorola Oncore UT+ or the Trimble Resolution T. It's been 10 years (at
> least). What better options, if any, are available
On Dienstag, 15. Februar 2022 08:10:12 CET Darren Freeman wrote:
> On one of my units, I had to manually run the lamp heater to a higher
> than normal temperature, before it would light. (With a thermocouple,
> it's best to use some heatsink grease, otherwise the readings can be a
> long way off.)
Hi
First question would be “why?” ( or more properly, what are you trying
to accomplish? / what are the project goals? )
You can buy any one of a number of GPSDO’s on eBay for very little money.
They come in a range of “flavors” from a range of suppliers. You can
get OCXO based units. You can
I'd really like to see how these perform.
https://www.u-blox.com/en/product/lea-f9t-module
https://www.u-blox.com/en/product/zed-f9t-module
However, getting them in hand is sometimes difficult. That may be
changing since the last time I've really looked...
Dan
On 2/15/2022 3:30 AM,