[time-nuts] HP 8662A/63A EFC input

Hi, quick question: does the EFC input on this generator always come with option 3 (640 Mhz out) or is the EFC always present on later models, or another option (think not). Preparing an 11729C/8662-3A combo for a fellow ham. br Christophe -- -- http://distrinet.cs.kuleuven.be/people/showMem

Re: [time-nuts] time-nuts Digest, Vol 186, Issue 3

Anders wrote: my plan is to present our DIY version of this, an open hardware design, at EFTF2020. Dear Anders and Group, I am a very long time IEEE member of UFFS and I plan to go to the EFTF at the ESA center in Holland in April.  For some strange reason I also see that UFFS is having a EF

Re: [time-nuts] HP 8662A/63A EFC input

Hi, Christophe -- All of the 8663As had EFC inputs as far as I'm aware, but not all of the 8662As did. Same for the 640 MHz output. So if you're setting up an 8662A you'd need to check the option code. Either that, or be prepared to modify it. -- john, KE5FX > -Original Message- > qu

[time-nuts] time-nut conferences.

On Fri, 3 Jan 2020 10:01:45 -0800 Jeffrey Pawlan wrote: > I am a very long time IEEE member of UFFS and I plan to go to the EFTF > at the ESA center in Holland in April.  For some strange reason I also > see that UFFS is having a EFTS conference in Besancon, France. and then > there will be a

Re: [time-nuts] Wall Clock that takes 1PPS input

Hi, I saw the discussion on PPS slaves and spent some time thinking about them. I have, of course used $3 quartz wall clocks as slaves, but they are rather poor quality. I remembered that in my collection I had some 40cm dials, probably from an observatory. These are all 24 Hour dials, but they c

Re: [time-nuts] Wall Clock that takes 1PPS input

Thanks for all the input. My friend Dave has over 300 International Time Recorder master clocks and who knows how many of the old IBM wall clocks. The slave clocks take 1 pulse per minute and don’t have second hands so they won’t work. IBM made a wall clock with a second hand and I didn’t kno

Re: [time-nuts] time-nut conferences.

Hi Attila, On 2020-01-03 23:53, Attila Kinali wrote: > On Fri, 3 Jan 2020 10:01:45 -0800 > Jeffrey Pawlan wrote: > >> I am a very long time IEEE member of UFFS and I plan to go to the EFTF >> at the ESA center in Holland in April.  For some strange reason I also >> see that UFFS is having a EFT

[time-nuts] HP 5065A "known unit" update

Hi, They keep coming out of hiding! Currently my list shows 246 total units of which 26 are the latest prefix 2816A units. Anyone that has one that hasn't send me their Serial number please do! Cheers, Corby Dawson ___ time-nuts mailing list -- tim

Re: [time-nuts] Wall Clock that takes 1PPS input

Jerry the old IBMs are loud at the 1 minute mark or if pulsed clunk clunk clunk. Great when you first start them annoying after a bit. But if the cost is $0 have fun and learn. With respect to 60 hz motors you will need real power to drive them nothing a micro can do. Something like 20 watts at som

Re: [time-nuts] Bob Roehrig K9EUI SK

I am working on a readible copy. This isnthe best that I can do for now from January 73 of 1994. https://archive.org/details/73-magazine-1994-01/page/n11 On Thursday, January 2, 2020, kc9ieq via time-nuts wrote: > Services for our fallen fellow time nut Bob Roehrig are this Saturday > January