It seems I have a hybrid, on the front panel it's an OFS-1, on the serial number label it's an OFS-1A and on the PCB it's an OFS-2.
http://imgur.com/a/brRou On 19 June 2017 at 17:40, Ole Stender Nielsen <ols...@mail.tele.dk> wrote: > I got a Halcyon OFS-1 a while back, and found it was virtually impossible > to use here in Denmark, which seems to be located too far away from the > Allouis (162 kHz) or Droitwich (198 kHz) transmitter sites. One major > design flaw of the OFS-1 is the digital divider used to divide an analog > signal. > You can find more information about an experimental modification to > increase the robustness and usefulness of the OFS-1 here: > http://dabbledoo.weebly.com/halcyon-ofs-1.html > > Best regards > Ole > > > > Den 19-06-2017 kl. 17:15 skrev Clint Jay: > >> Mine is somewhat different to that model, the case is the same as the >> leftmost one but the board is quite different to the middle picture. >> >> I'll post some links to pictures of the internals and start drawing out >> the >> circuit over the coming few days. >> >> >> >> >> On 19 June 2017 at 14:29, paul swed <paulsw...@gmail.com> wrote: >> >> Great pix can be found here and absolutely can easily be reverse >>> engineered. >>> https://www.vintage-radio.net/forum/showthread.php?t=97999 >>> Very simple straight forward design. >>> Regards >>> Paul >>> WB8TSL >>> >>> On Mon, Jun 19, 2017 at 9:25 AM, paul swed <paulsw...@gmail.com> wrote: >>> >>> Hello to the group. I suspect I will never see such a unit in the states. >>>> Also it wouldn't be useful. >>>> But that said its sounds as though its a traditional simple receiver >>>> that >>>> should be able to be reverse engineered. At least for the signal and >>>> locking chain. If a micro is involved then things get fuzzy fast. Anyhow >>>> good luck with you digging in. >>>> Regards >>>> Paul >>>> WB8TSL >>>> >>>> On Mon, Jun 19, 2017 at 8:27 AM, Clint Jay <cjaysh...@gmail.com> wrote: >>>> >>>> Thank you Stephen, Nigel, I'll take some pictures of the board in my >>>>> >>>> OFS-1 >>> >>>> but it doesn't match any of the pictures I've tracked down so far. >>>>> >>>>> Interesting that the board mounted on the rear of the enclosure with >>>>> the >>>>> trimmers appears to be Vero or perf board of some description... >>>>> >>>>> On 19 June 2017 at 11:54, Stephen Tompsett (G8LYB) < >>>>> >>>> step...@tompsett.net> >>> >>>> wrote: >>>>> >>>>> I have a little Halcyon information I managed to find a few years ago >>>>>> when I acquired a couple of PFS units. It includes a brief document on >>>>>> OFS alignment. >>>>>> >>>>>> I'll mail the documentation to you directly... >>>>>> >>>>>> >>>>>> On 19/06/2017 10:17, Clint Jay wrote: >>>>>> >>>>>>> I have been given a Halcyon Electronics OFS1 standard which seems to >>>>>>> >>>>>> work, >>>>>> >>>>>>> it's a version that has 198KHz and 162KHz selector on the fron and >>>>>>> >>>>>> after >>>>> >>>>>> a >>>>>> >>>>>>> reasonable period of time it displays 'lock' and gives a nicely >>>>>>> >>>>>> stable >>> >>>> 1,10 >>>>>> >>>>>>> and 10 MHz output on the front panel BNCs, (I know, it should be 1,5 >>>>>>> >>>>>> and >>>>> >>>>>> 10MHz out, read on) >>>>>>> >>>>>>> Does anyone know of a PDF manual? This version has two KHz crystals >>>>>>> >>>>>> inside >>>>>> >>>>>>> it and I'd like to see how/if it's been modified so a manual with a >>>>>>> schematic would be even more useful. >>>>>>> >>>>>>> >>>>>>> -- >>>>>> Stephen Tompsett (G8LYB) >>>>>> Tel: 01788 578940 >>>>>> Mob: 07956 855816 >>>>>> >>>>>> _______________________________________________ >>>>>> time-nuts mailing list -- time-nuts@febo.com >>>>>> To unsubscribe, go to https://www.febo.com/cgi-bin/ >>>>>> mailman/listinfo/time-nuts >>>>>> and follow the instructions there. >>>>>> >>>>>> >>>>> >>>>> -- >>>>> Clint. >>>>> >>>>> *No trees were harmed in the sending of this mail. However, a large >>>>> >>>> number >>> >>>> of electrons were greatly inconvenienced.* >>>>> _______________________________________________ >>>>> time-nuts mailing list -- time-nuts@febo.com >>>>> To unsubscribe, go to https://www.febo.com/cgi-bin/m >>>>> ailman/listinfo/time-nuts >>>>> and follow the instructions there. >>>>> >>>>> >>>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to https://www.febo.com/cgi-bin/ >>> mailman/listinfo/time-nuts >>> and follow the instructions there. >>> >>> >> >> > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/listinfo/time-nuts > and follow the instructions there. > -- Clint. *No trees were harmed in the sending of this mail. However, a large number of electrons were greatly inconvenienced.* _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.