Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
Magnus I use a 420 ohm resistor to make FS700 happy. I have a LORAN C whip antenna and preamp that then feeds a distribution amplifier for the 4 Loran C rcvrs. The loran C simulator lives in the same box and can feed the rcvrs also. Regards Paul WB8TSL On Sun, Jul 12, 2015 at 11:10 AM, Magnus Danielson < mag...@rubidium.dyndns.org> wrote: > Hi, > > For the USA and Canada, currently LORAN-C is history. > > However, LORAN-C signals is still relatively well know and eLoran is a > backward compatible change for which there already is a market, so that is > good. > > I think I recall another digital signal being discussed as a side-band, > which I also think I saw some specs on in an article, and it looked > interesting. We did discuss it on the list many moons ago, maybe someone > recalls and can dig up the references. > > I have a FS700 for which I currently does not have a proper antenna. I > coiled up some twisted pair, but it complains about no external LNA, so I > will have to create something which acts as LNA and essentially forms the > same DC load to the FS700. I have the SC-10 OCXO in mine, and as I recall, > I think I saw GRI 8 from russia. It would be nice to run it for a while. > > Cheers, > Magnus > > On 07/12/2015 01:45 PM, Bob Camp wrote: > >> Hi >> >> So far, all of the eLoran stuff has been backwards compatible with >> Loran-C. If the signal turns into a >> “time signal only” in the future, that could change. Since the only >> signals that have been put on the air >> have been Loran-C compatible, any change is pure speculation at this >> point. Any signal change would have >> to either cause no harm to Loran-C navigation *or* go on the air after >> Loran-C navigation was history. >> >> Bob >> >> >> >> On Jul 11, 2015, at 8:15 PM, D W wrote: >>> >>> I saw in an article that there is an eLoran site online in NJ. Is that >>> true? And if so, is there any backwards compatibility for the old Loran-C >>> units? >>> >>> Dan >>> >>> >>> On Jul 11, 2015, at 8:14 AM, James Robbins wrote: Does anyone know of any other genuinely useful purpose to which the Austron 2100F, SRS FS700, etc receivers can be put in the US since the demise of Loran? Inquiring minds would like to know. Jim Robbins, N1JR ___ 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/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/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/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/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
Hi, For the USA and Canada, currently LORAN-C is history. However, LORAN-C signals is still relatively well know and eLoran is a backward compatible change for which there already is a market, so that is good. I think I recall another digital signal being discussed as a side-band, which I also think I saw some specs on in an article, and it looked interesting. We did discuss it on the list many moons ago, maybe someone recalls and can dig up the references. I have a FS700 for which I currently does not have a proper antenna. I coiled up some twisted pair, but it complains about no external LNA, so I will have to create something which acts as LNA and essentially forms the same DC load to the FS700. I have the SC-10 OCXO in mine, and as I recall, I think I saw GRI 8 from russia. It would be nice to run it for a while. Cheers, Magnus On 07/12/2015 01:45 PM, Bob Camp wrote: Hi So far, all of the eLoran stuff has been backwards compatible with Loran-C. If the signal turns into a “time signal only” in the future, that could change. Since the only signals that have been put on the air have been Loran-C compatible, any change is pure speculation at this point. Any signal change would have to either cause no harm to Loran-C navigation *or* go on the air after Loran-C navigation was history. Bob On Jul 11, 2015, at 8:15 PM, D W wrote: I saw in an article that there is an eLoran site online in NJ. Is that true? And if so, is there any backwards compatibility for the old Loran-C units? Dan On Jul 11, 2015, at 8:14 AM, James Robbins wrote: Does anyone know of any other genuinely useful purpose to which the Austron 2100F, SRS FS700, etc receivers can be put in the US since the demise of Loran? Inquiring minds would like to know. Jim Robbins, N1JR ___ 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/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/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/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
Hi So far, all of the eLoran stuff has been backwards compatible with Loran-C. If the signal turns into a “time signal only” in the future, that could change. Since the only signals that have been put on the air have been Loran-C compatible, any change is pure speculation at this point. Any signal change would have to either cause no harm to Loran-C navigation *or* go on the air after Loran-C navigation was history. Bob > On Jul 11, 2015, at 8:15 PM, D W wrote: > > I saw in an article that there is an eLoran site online in NJ. Is that true? > And if so, is there any backwards compatibility for the old Loran-C units? > > Dan > > >> On Jul 11, 2015, at 8:14 AM, James Robbins wrote: >> >> Does anyone know of any other genuinely useful purpose to which the Austron >> 2100F, SRS FS700, etc receivers can be put in the US since the demise of >> Loran? Inquiring minds would like to know. Jim Robbins, N1JR >> ___ >> 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/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/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
Hello Jim, Would you happen to have complete schematics for the Austron 2100F? 73's, John AJ6BC On Sat, Jul 11, 2015 at 2:38 PM, paul swed wrote: > They can be useful as a comparator between two references as long as you > have a LORAN C simulator to drive the system. > I built up a unit 3 years ago may still be in the time-nuts archives. It > was fairly simple to accomplish. I took the reference and drove the > simulator. Then the simulator feeds the FR700 or austrons 2100s,2100F, and > 2000. All worked. > Kind of a crazy thing to do but hated to see the systems die. > Regards > Paul > WB8TSL > > On Sat, Jul 11, 2015 at 11:14 AM, James Robbins > wrote: > > > Does anyone know of any other genuinely useful purpose to which the > > Austron 2100F, SRS FS700, etc receivers can be put in the US since the > > demise of Loran? Inquiring minds would like to know. Jim Robbins, N1JR > > ___ > > 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/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/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
I saw in an article that there is an eLoran site online in NJ. Is that true? And if so, is there any backwards compatibility for the old Loran-C units? Dan > On Jul 11, 2015, at 8:14 AM, James Robbins wrote: > > Does anyone know of any other genuinely useful purpose to which the Austron > 2100F, SRS FS700, etc receivers can be put in the US since the demise of > Loran? Inquiring minds would like to know. Jim Robbins, N1JR > ___ > 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/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
Hi One “use” - Hang on to them and see if the new incarnation of Loran takes hold in the US. Second use - Sell them off to the guys in Europe and China while they still have signals on the air …. Third - Drive them off some form of synthetic waveform out of a GPSDO. Bob > On Jul 11, 2015, at 11:14 AM, James Robbins wrote: > > Does anyone know of any other genuinely useful purpose to which the Austron > 2100F, SRS FS700, etc receivers can be put in the US since the demise of > Loran? Inquiring minds would like to know. Jim Robbins, N1JR > ___ > 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/mailman/listinfo/time-nuts and follow the instructions there.
Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
On 7/11/2015 8:14 AM, James Robbins wrote: Does anyone know of any other genuinely useful purpose to which the Austron 2100F, SRS FS700, etc receivers can be put in the US since the demise of Loran? Inquiring minds would like to know. Jim Robbins, N1JR Jim, I gave my Austron to a friend in the UK, at the time shipping wasn't as bad as it is now, so I hope he was reasonably happy. I can't see any real hope of it ever coming back here, although there have been frequent reports of eLoran testing, I'm not sure they ever amounted to anything. Dan - ac6ao ___ 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.
Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
In message <264cf93f-7b18-4106-901a-0edfd93c1...@earthlink.net>, James Robbins writes: >Does anyone know of any other genuinely useful purpose to which >the Austron 2100F, SRS FS700, etc receivers can be put in the US >since the demise of Loran? Inquiring minds would like to know. The 2100F can be used as a 24 hour clock and has a nice-ish large LCD display, which is about the best thing you can use it for, even if you do have Loran-C signals - it's not a great performer. The FS700 is basically the same design as the Infamous Dave Mills LORAN-C timing receiver, gated integrators, and since I have serial #2 of those, I have never felt like paying eBay prices for a FS700[1]. In theory one *could* retune the FS700's RF stages and use it as a phase-tracking VLF receiver, for instance for WWVB, but you'd get much better performance and much more fun with an SDR approach. Poul-Henning [1] If anybody in Europe wants to have some *real* fun with Loran-C receivers, they should look at the "Locus LRS" receivers on eBay. Not only are they much cheaper than the FS700's they are also *much* more advanced: The LRS was built to replace the Austron 5000 PDP/11 controlled monitoring receivers at the LORSTAs. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 p...@freebsd.org | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. ___ 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.
Re: [time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
They can be useful as a comparator between two references as long as you have a LORAN C simulator to drive the system. I built up a unit 3 years ago may still be in the time-nuts archives. It was fairly simple to accomplish. I took the reference and drove the simulator. Then the simulator feeds the FR700 or austrons 2100s,2100F, and 2000. All worked. Kind of a crazy thing to do but hated to see the systems die. Regards Paul WB8TSL On Sat, Jul 11, 2015 at 11:14 AM, James Robbins wrote: > Does anyone know of any other genuinely useful purpose to which the > Austron 2100F, SRS FS700, etc receivers can be put in the US since the > demise of Loran? Inquiring minds would like to know. Jim Robbins, N1JR > ___ > 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/mailman/listinfo/time-nuts and follow the instructions there.
[time-nuts] Any other useful purpose for Austron 2100F or SRS FS700 receivers in US
Does anyone know of any other genuinely useful purpose to which the Austron 2100F, SRS FS700, etc receivers can be put in the US since the demise of Loran? Inquiring minds would like to know. Jim Robbins, N1JR ___ 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.
