Hi
In a country with 50 Hz power lines, figuring out anything at 50, 100 or 150 Hz is going to be a bit exciting. Bob > On Dec 22, 2016, at 4:04 PM, n2lym <[email protected]> wrote: > > Dave, > > Look at it with a narrow band SA and see if it's modulated by 100Hz. > > 73, > > Mike N2LYM > > > > > On Thu, Dec 22, 2016 at 07:39 AM, Dr. David Kirkby (Kirkby Microwave Ltd) > wrote: > >> On 22 December 2016 at 03:17, paul swed > wrote: >> >>> Dave Congratulations on 10 Ghz SSB. >>> >> >> This was not a QSO at all. It was simply a one way transmission from a >> signal generator at my end to a receiver at his end. No QSO was attempted. >> >> >>> Now to your question. I will fully believe you are seeing normal behavior >>> of the generators. Even if its dithering 100 Hz thats pretty amazing. Sweep >>> gens simply are not stable enough for narrow work like you are trying. >>> Now I am sure comments will prove me totally wrong. >>> >> >> But I find it a bit odd that HP would have a 1 Hz software option on this >> instrument, if the instrument jumped up/down 100 Hz. >> >> Now I don't yet have the 1 Hz option programmed in, and it might well >> change the behavior completely, but I'd still like to find a way, if one >> exists, of checking this with the equipment I have. >> >> The signal generator is no longer supported, but I could try my luck seeing >> if there are any known problems with this unit, or firmware upgrades >> available - currently revision 29, May 1991. >> >> >> >>> But I don't think so. (Have been on 10G SSB over the years also. Only 60 >>> watts plus. Nothing fancy. ;-) ) >>> Regards >>> Paul >>> WB8TSL >>> >> >> 60 W is clearly some setup. I also know a lot of people run portable stuff >> on 10 GHz, where achieving frequency stability is more of a challenge, >> although less so with GPS. But this is a laboratory instrument, from a >> reputable manufacturer. I personally would not expected this behavior. I >> actually purchased this very cheaply (£650 GBP, which would have been about >> $900 at the time), but they are not cheap to buy now. >> >> >> Dave >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
