Re: [time-nuts] Anyone have experience with this antenna?

On Wed, Feb 07, 2018 at 03:07:24PM +, Poul-Henning Kamp wrote: > > In message <875e4bc6-32c3-4724-afcd-086553ae5...@n1k.org>, Bob kb8tq writes: > > >Water wise, one might note the large piles of snow sitting on my antennas at > >the moment. Yes, I > >could go knock it off, but

Re: [time-nuts] Rinex Data Stream

Hi Marco, What receiver? What do you mean with stream? Besides the software of the manufacturer, the tools in RTKLIB could help you as well. I am not aware of NMEA sentences that contain raw data, you need to parse the proprietary protocol of your receiver. Best, Thomas, SA6CID On Sun, Nov

Re: [time-nuts] Lucent RFTG-u REF0-REF1 cable

Hi Jerry, the 15 MHz is disabled by default, just bridging some pins enables the output: http://syncchannel.blogspot.se/2015/11/denuo-gps-hits-rev-b-dongles.html If you want to insert some 1PPS signal to discipline it, you need some fake some GPS messages. Dan has done some nice work here, a

Re: [time-nuts] NEO-7M various modes

On Sat, Oct 28, 2017 at 05:27:01PM -0700, jimlux wrote: > On 10/28/17 3:24 PM, Wayne Holder wrote: > > uBlox has a utility called u-center > > that's a free > > download. You can use it to configure the various output options (and > > enable

Re: [time-nuts] Ships fooled in GPS spoofing attack suggest Russian cyberweapon

Hi all, On Mon, Aug 14, 2017 at 06:10:33PM -0400, Ron Bean wrote: > >In a car it is even easier. The car nav system KNOWS it must be on a > >roadway. The car's ground track (positional history) must be on a road. > > That's assuming the GPS company keeps their maps up to date (it doesn't >

Re: [time-nuts] WTB: GPSDO

Hi, On Wed, Mar 22, 2017 at 05:20:31PM -0500, Chris Caudle wrote: > On Wed, March 22, 2017 3:52 pm, Nick Sayer via time-nuts wrote: > > My thunderbolt *insists* on being on the DC Pass port. If you put it on a > > DC Block port (yes, something *else* is on the DC pass port and supplying > > DC

Re: [time-nuts] WTB: GPSDO

Hi Tim, On Tue, Mar 21, 2017 at 06:36:51PM -0700, Tim Lister wrote: > [...] > I have a Symmetricom 58532A GPS antenna which has a N female connector > but my 3 current GPS receivers all have SMA female connectors. If I > want to provide capacity for at least 4 receivers fed from the same >

Re: [time-nuts] ``direct'' RS-232 vs. RS-232 via USB vs. PPS decoding cards

Hi Bob, On Sat, Feb 18, 2017 at 08:36:51AM -0500, Bob Camp wrote: > Hi > > > On Feb 18, 2017, at 4:53 AM, David J Taylor > > wrote: > > > > Hi, > > > > I was wondering whether there is some data/information available on the > > claimed +/- 100 ns jitter? > > > I

[time-nuts] Lucent KS-24361 REF 0 standalone

Hi everyone, I am currently trying to repeat previous work of members of this list in convincing the REF 0, to run standalone with a given 1PPS signal from a gps. Similar to: https://syncchannel.blogspot.se/2015/08/standalone-operation-of-lucent-ks-24361.html I am using a skytraq gps with 100ms,