[time-nuts] Anyone seeing an issue with PRN2?

I'm seeing gpsdo sync loss when PRN 2 becomes visible. It looks like it had an outage recently: https://www.navcen.uscg.gov/?Do=constellationStatus https://www.navcen.uscg.gov/?Do=gpsShowNanu=2017066 Anyone else seeing similar effects? -- Michael Rothwell mich...@rothwell.us (828) 649-ROTH

Re: [time-nuts] J06 HP-59992A time interval calibrator for HP-531xx counters

In message <8fdafefb-3563-94be-e68d-63fe00164...@earthlink.net>, jimlux writes: >On 7/9/17 10:27 AM, Bob kb8tq wrote: >> Hi >> >> People *have* been known to sort MiniCircuits parts and use the “extras” in >> something else. A certain major oscillator manufacturer once bought a bunch >>

Re: [time-nuts] J06 HP-59992A time interval calibrator for HP-531xx counters

In message , Mark Sims writes: >Also coax and RF relays cost a lot. Pretty soon your BOM cost >is over what a 59992A will run... assuming you can find one. The crucial feature of the 59992A was

Re: [time-nuts] Tuning a Symmetricom 1111C

On 2017-07-10 10:00 AM, Tom Knox wrote: Hi Ed; Thanks for the response. Great logic/detail on potential issues and solutions. The power supply issue seems completely intermittent and when running may be completely fine. That said I am leaning toward the power supply being

[time-nuts] 58503B diagnostic information

Hi, Does anybody know the motherboard diagnostic LED codes for Symmetricom 58503B (model of 2007)? Note, in contrary to the well-documented Z3805A etc., the 58503B has only two diodes: red and a green one. The 58503B seemed failed after a power cycle. Now kind-of reboots itself every few