[time-nuts] Re: GPS failed

2022-07-11 Thread Oz-in-DFW via time-nuts
that shut down an LA marina and the Port of Long Beach for several days until it was located. Oz (in DFW, Texas near the airport) ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe send an email to time-nuts-le...@lists.febo.com

[time-nuts] TAKEN: PCMCIA DAC Cards

2021-07-27 Thread Oz-in-DFW
These are spoken for. On 7/25/2021 6:37 PM, Oz-in-DFW wrote: Free to a good home: Computerboards PCMCIA DAC-08 cards (three cards, two Cable sets, a Win98 driver CD and manuals. It's vintage ;-) 8 channels of 13 bit DAC output (±5V; Maxim MAX547) and two banks of 4 bit 5V digital I/O Oz

[time-nuts] FTAGH: PCMCIA DAC Cards

2021-07-25 Thread Oz-in-DFW
area, or pay (actual) postage. Oz (in DFW, near the big airport) ___ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.

Re: [time-nuts] GPSDO won't lock: OCXO aged out?

2021-01-16 Thread Oz-in-DFW
off hand how you'd calibrate that. Oz (in DFW) ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.

Re: [time-nuts] small multi-timezone display

2021-01-13 Thread Oz-in-DFW
Well, four of these at $36/ea might make spec: https://www.lacrossetechnology.com/products/617-249 What's not clear is if GMT is in the timezone selection list. Oz (in DFW) ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go

Re: [time-nuts] small multi-timezone display

2021-01-08 Thread Oz-in-DFW
ersome manual organization. Oz (in DFW) ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.

Re: [time-nuts] power supply for Z3801

2020-10-29 Thread Oz-in-DFW
rating  and cooling are the real reliability enhancers in decently designed supplies. And, this was designed for a telecom application, so it's /probably /rated for 36-72 VDC. This is the normal specd range for 48 V nominal.  I'd still use a 48 V supply, bu

Re: [time-nuts] Frequency Counter Choice

2020-10-22 Thread Oz-in-DFW
75161 bus transceivers still seem to be in production as SOICs as well. I've noodled about building a board that was intended to connect to a single instrument, but not really gotten serious about it.  I wanted everything in the shop on Ethernet. Oz (in DFW) ___ ti

[time-nuts] FTAGH: National Instruments DAQCard DIO-24 PCMCIA digital I/O card and cable

2020-10-19 Thread Oz-in-DFW
outside the US if you accept any risk and pay additional fees it involves. Oz (in DFW near the airport.) ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com

Re: [time-nuts] Fwd: cheap frequency extension for timepod

2020-10-17 Thread Oz-in-DFW
I don't know what a timepod is in this context. The only reason you'd need a 17dBm drive mixer if if you'd exceed the RF or LO port input level of the SRA-1. (Clean) square wave drive for a diode ring mixer is /preferred/. Oz (in DFW, Texas) On 10/17/2020 7:59 AM, Gerhard Hoffmann wrote

[time-nuts] [All gone] 1U rack mount project boxes with LCD and PS for free (sort of)

2019-05-06 Thread Oz-in-DFW
All units are spoken for. On 5/3/2019 4:06 PM, Oz-in-DFW wrote: > > I have some 12" deep rack mount project boxes (mostly) free for the > asking. These are cleverly disguised as Cobalt RAQ 3&4 computer > servers.  Perfect for that Thunderbolt project or something similar.

[time-nuts] 1U rack mount project boxes with LCD and PS for free (sort of)

2019-05-03 Thread Oz-in-DFW
h additional. If you get one and discover you really want more pricing again starts at free for the first unit. I have a dozen or so.  I also have some 1U rack mount Ethernet switches. Same basic form factor but will require more front panel work. Oz (in DFW) -- mailto:o...@ozindfw.net

[time-nuts] GPS Antenna Grounding/Lightning protection. [Cone of protection and other opinion]

2018-06-20 Thread Oz-in-DFW
The "Cone of Protection" is a thumbrule.  It's not a myth, but it's also not an absolute law of nature. It's a self-fulfilling prophecy to some degree because it drives component design guidelines.  Bunker spacing is also a thumbrule, based on a lot of horrible experience. It's also a function of

Re: [time-nuts] GPS Antenna Grounding/Lightning protection.

2018-06-18 Thread Oz-in-DFW
ive voltages on Ethernet cable runs. Most residential buildings are electromagnetically transparent and the protection on most Ethernet interfaces is oriented toward ESD. Oz (in DFW) On 6/18/2018 1:29 PM, Dan Kemppainen wrote: > Hi, > > I have (or had, I guess) a GPS antenn