Re: [time-nuts] High-end GPSDO's

2018-08-19 Thread Attila Kinali
On Sun, 19 Aug 2018 15:27:03 -0700 Ralph Devoe wrote: > Thanks for the notes on the FS740. I missed it back last November. It > looks so user-friendly that I might have to get one. Most SRS stuff is > really well done. Yes, indeed. All SRS schematics I have read looked really like someone who

Re: [time-nuts] High-end GPSDO's

2018-08-19 Thread Attila Kinali
On Sat, 18 Aug 2018 20:53:19 +0200 Attila Kinali wrote: > Just to avoid confusion: I don't want to bash the FS740, not at all. > It's a very well designed device with lots of ingenious solutions for > small details (see also my quick review of it at [2]), but it's still > just a GPSDO and has to

Re: [time-nuts] High-end GPSDO's

2018-08-18 Thread paul swed
Bob Good pix for what its worth its the navsync Wi125 and information is available online. Its interesting thats most CASCs I have seen in one place. Regards Paul WB8TSL On Sat, Aug 18, 2018 at 4:54 PM, Bob Martin wrote: > I'm no expert on GPS receivers but here is a picture of a "GPSDO". >

Re: [time-nuts] High-end GPSDO's

2018-08-16 Thread Bob kb8tq
Hi Getting into the ~2 ns region is not as hard as it once was. The real gotcha is needing a L1/L2 receiver to do it *consistently*. If you just have L1, then you can easily get more than a couple of ns over a day due to various atmospheric effects. It’s not at all clear what sort of GPS