I have a solution for your NTP tick if you should ever want to avail yourself. It involves a time server and a USB connected GPS receiver. Works FB until the GPS satellites fall from the sky. :)
https://morsetutor.com/2014/10/jt65jt9-workstation-gps-time-sync/ On Mon, May 25, 2020 at 10:57 Bill Frantz <fra...@pwpconsult.com> wrote: > Back around 1960, when IBM was developing the 360 series, the > people working on the architecture document adopted a policy of > not answering questions. Instead they rewrote the appropriate > section and asked if it now answered the question. The result > was the best architectural description of a computer ever produced. > > I basically agree with Jim about emergency planning. For me, FT > modes are out (even if they could pass the necessary traffic) > because they require accurate time. My MacBook Pro doesn't keep > accurate time without a continuous connection to a NTP source. > When I'm at home, that comes via Comcast, which requires mains > power, and will probably fail for other reasons as well. In the > field I use my cell phone, which has the same problems. > > Power is also difficult. At field day, I've used an inverter 12V > to 120V to power my laptop power adapter. I don't have to > describe why this solution is bad in so many dimensions to this group. > > To solve the laptop power problem, I built a computer using a > single board computer and a 12V monitor from Adafruit. When > running it draws 800 mA, but the computer really isn't fast > enough for the FT modes. Faster single board computers are > available, but they draw more power. > > This computer still doesn't solve all the problems, I haven't > found a good linux logging program, and it would be nice to have > a short term internal battery backup to save the computer state > when it gets accidentally unplugged. The backup battery should > be relatively easy. One solution just powers the single board > computer and not the monitor. Then the user knows power has dropped. > > Does anyone know of good logging software for linux? > > 73 Bill AE6JV > > On 5/24/20 at 2:02 AM, j...@audiosystemsgroup.com (Jim Brown) wrote: > > >I understand the intent of the statement in the FAQ. My point > >is that these clarifications should be part of the FD RULES, > >not an FAQ. To me, an FAQ is answering questions raised because > >the Rules are poorly written or incomplete. If I were running > >things, I would ban all FAQs and tell the author(s) of the > >basic document(s) to finish their job! > > ... > > >The good thing about requiring true backup power for the computer causes > us as hams to think more seriously about running in emergencies. The bad > thing is that independent of the mains AND not powered by a generator is > that most laptops now need 16-20V at their power socket, it's hard to find > QUIET DC-DC converters, and it probably takes more power to run the laptop > than to run a KX3. > > ----------------------------------------------------------------------- > Bill Frantz | When all else fails: | Periwinkle > (408)348-7900 | Voice and CW. | 150 Rivermead > Rd #235 > www.pwpconsult.com | | Peterborough, > NH 03458 > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to r...@wc3t.us > -- 72, Rich Hurd / WC3T / DMR: 3142737 Northampton County RACES, EPA-ARRL Public Information Officer for Scouting Latitude: 40.761621 Longitude: -75.288988 (40°45.68' N 75°17.33' W) Grid: *FN20is* ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
