Re: [time-nuts] time-nuts Digest, Vol 168, Issue 21 SDRs and precision time

2018-07-23 Thread Graham / KE9H
It would be a lot easier if you used a GPSDO to synchronize your SDRs, since both the time and frequency derived are several orders of magnitude better than what you can get out of an LF receiver. Any systems like this, that I am aware of, use GPS, not LF. --- Graham ==

Re: [time-nuts] time-nuts Digest, Vol 168, Issue 21 SDRs and precision time

2018-07-23 Thread Andre
Hi, has anyone ever combined an SDR and Anthorn atomic clock receiver module so that they can be synchronized? the idea here is as a variant of a thinned array similar to WebSDR but using lots of smaller units to get around the thinned aray curse (tm) and combining signals with suitable offset

[time-nuts] Alternatives for Thunderbolts

2018-07-23 Thread Mark Sims
I've been happy with these: https://www.ebay.com/itm/10Mhz-GPSDO-OSCILLOQUARTZ-OSA-OEM-GPS-GPSDO-10MHz-1PPS-STAR-GPS-Clock/262861459973?hash=item3d33c39205%3Ag%3AsbYAAOSwh2xYAjrp&_sacat=0&_nkw=oscilloquartz+gpsdo&_from=R40=nc&_trksid=m570.l1313 They are not nearly as tweakable as the

[time-nuts] Alternatives for Thunderbolts

2018-07-23 Thread Van Horn, David
I'm looking for two more receivers to implement "Pair and a spare" redundancy for our engineering lab and production. Are these below compatible with Lady Heather? Any thoughts as to overall quality etc? Any other suggestions?

Re: [time-nuts] time-nuts Digest, Vol 168, Issue 21

2018-07-23 Thread Bob kb8tq
Hi I think it’s just the normal summertime drop-off. Everybody is on vacation….. Bob > On Jul 23, 2018, at 12:41 PM, Dan Kemppainen wrote: > > FYI, > > I would tend to agree about the drop in traffic. Not sure if it's just a > quiet period, but there are many less messages than before in

Re: [time-nuts] time-nuts Digest, Vol 168, Issue 21

2018-07-23 Thread Dan Kemppainen
FYI, I would tend to agree about the drop in traffic. Not sure if it's just a quiet period, but there are many less messages than before in the digest. Dan On 7/23/2018 12:00 PM, time-nuts-requ...@lists.febo.com wrote: Could it be that the reflector drops messages? I did not get