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Discussion of precise time and frequency measurement

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Questions about Austron 5000 Loran C receiver

AL
Andy Lokken
Sun, Mar 4, 2012 4:03 PM

A couple of guys have expressed interest in this unit, so I think it is
spoken for.

Hopefully the adoptive home will post up about their experience with this
after they get it running.

-Andy

--


Andy Lokken

A couple of guys have expressed interest in this unit, so I think it is spoken for. Hopefully the adoptive home will post up about their experience with this after they get it running. -Andy -- _______________________________________ Andy Lokken
AL
Andy Lokken
Sun, Mar 4, 2012 4:12 PM

Hi Paul:

It was your reports of the Great Lakes chain that got me interested in
this. I live in St. Paul, Minnesota, so I am hopeful of hearing it here. I
have a couple other LF receivers with which to try to hear Loran C, so I
still have options.

Obviously, before I invest much in this, I want to see that the feds have a
long term interest in maintaining Loran again, and especially the GL chain.

-Andy

On Sat, Mar 3, 2012 at 10:28 AM, paul swed paulswedb@gmail.com wrote:

That is indeed interesting because the only rcvr I knew that needed a pdp 8
was the older actual station monitoring units.
I would strongly believe if you know what the 5000 wants these days its
very reasonable to emulate the control system.
That said in the US the only GRI I could monitor was the great lakes chain
89700.
It was on and off the air as you might expect for a test.
Regards
Paul
WB8TSL

--


Andy Lokken

Hi Paul: It was your reports of the Great Lakes chain that got me interested in this. I live in St. Paul, Minnesota, so I am hopeful of hearing it here. I have a couple other LF receivers with which to try to hear Loran C, so I still have options. Obviously, before I invest much in this, I want to see that the feds have a long term interest in maintaining Loran again, and especially the GL chain. -Andy On Sat, Mar 3, 2012 at 10:28 AM, paul swed <paulswedb@gmail.com> wrote: > That is indeed interesting because the only rcvr I knew that needed a pdp 8 > was the older actual station monitoring units. > I would strongly believe if you know what the 5000 wants these days its > very reasonable to emulate the control system. > That said in the US the only GRI I could monitor was the great lakes chain > 89700. > It was on and off the air as you might expect for a test. > Regards > Paul > WB8TSL > > > -- _______________________________________ Andy Lokken
AA
Antonio Amandio Sanches de Magalhaes
Sun, Mar 4, 2012 4:14 PM

Now, that the Loran C ressurection seems to be probable,
I wonder if it is worthwhile to part a slighthly defective
2000C receiver.
If interested contact me off the list.

Antonio
CT1TE

Now, that the Loran C ressurection seems to be probable, I wonder if it is worthwhile to part a slighthly defective 2000C receiver. If interested contact me off the list. Antonio CT1TE ---
PS
paul swed
Sun, Mar 4, 2012 4:17 PM

Well
A couple of things. They are not the gov. They go home on the weekends.
So do take a listen to 100KC during the week.
I looked at the austron 5000 it was a loran station monitor. What a beasty
it actually is.
Though the nixies are nice. I guess my loran simulator would drive it.
But can't imagine what it must actually weight.
My older austron 2000 is heavy and a bear to operate.
Regards
Paul.

On Sun, Mar 4, 2012 at 11:12 AM, Andy Lokken alokken@gmail.com wrote:

Hi Paul:

It was your reports of the Great Lakes chain that got me interested in
this. I live in St. Paul, Minnesota, so I am hopeful of hearing it here. I
have a couple other LF receivers with which to try to hear Loran C, so I
still have options.

Obviously, before I invest much in this, I want to see that the feds have a
long term interest in maintaining Loran again, and especially the GL chain.

-Andy

On Sat, Mar 3, 2012 at 10:28 AM, paul swed paulswedb@gmail.com wrote:

That is indeed interesting because the only rcvr I knew that needed a

pdp 8

was the older actual station monitoring units.
I would strongly believe if you know what the 5000 wants these days its
very reasonable to emulate the control system.
That said in the US the only GRI I could monitor was the great lakes

chain

It was on and off the air as you might expect for a test.
Regards
Paul
WB8TSL

--


Andy Lokken


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Well A couple of things. They are not the gov. They go home on the weekends. So do take a listen to 100KC during the week. I looked at the austron 5000 it was a loran station monitor. What a beasty it actually is. Though the nixies are nice. I guess my loran simulator would drive it. But can't imagine what it must actually weight. My older austron 2000 is heavy and a bear to operate. Regards Paul. On Sun, Mar 4, 2012 at 11:12 AM, Andy Lokken <alokken@gmail.com> wrote: > Hi Paul: > > It was your reports of the Great Lakes chain that got me interested in > this. I live in St. Paul, Minnesota, so I am hopeful of hearing it here. I > have a couple other LF receivers with which to try to hear Loran C, so I > still have options. > > Obviously, before I invest much in this, I want to see that the feds have a > long term interest in maintaining Loran again, and especially the GL chain. > > -Andy > > On Sat, Mar 3, 2012 at 10:28 AM, paul swed <paulswedb@gmail.com> wrote: > > > That is indeed interesting because the only rcvr I knew that needed a > pdp 8 > > was the older actual station monitoring units. > > I would strongly believe if you know what the 5000 wants these days its > > very reasonable to emulate the control system. > > That said in the US the only GRI I could monitor was the great lakes > chain > > 89700. > > It was on and off the air as you might expect for a test. > > Regards > > Paul > > WB8TSL > > > > > > > > > -- > _______________________________________ > Andy Lokken > _______________________________________________ > 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. >
PS
paul swed
Sun, Mar 4, 2012 4:18 PM

Antonio you are going to kill off your old 2000?
Mine still works.
Regards
Paul
WB8TSL

On Sun, Mar 4, 2012 at 11:14 AM, Antonio Amandio Sanches de Magalhaes <
asmagal@fc.up.pt> wrote:

Now, that the Loran C ressurection seems to be probable,
I wonder if it is worthwhile to part a slighthly defective
2000C receiver.
If interested contact me off the list.

Antonio
CT1TE

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Antonio you are going to kill off your old 2000? Mine still works. Regards Paul WB8TSL On Sun, Mar 4, 2012 at 11:14 AM, Antonio Amandio Sanches de Magalhaes < asmagal@fc.up.pt> wrote: > Now, that the Loran C ressurection seems to be probable, > I wonder if it is worthwhile to part a slighthly defective > 2000C receiver. > If interested contact me off the list. > > Antonio > CT1TE > --- > > > ______________________________**_________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/** > mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts> > and follow the instructions there. >
JF
J. Forster
Sun, Mar 4, 2012 5:53 PM

Just driving the displar is probably very easy. Given the era, it probably
takes no more than a parallel output port and a strobe to latch the data.
The nixies may have BCD decoders, but that's about it.

The 'scope may be analog from the receiver or have a couple of parallel
D/A's and a latch and intensify strobe.

-John

================

It would make an awesome display!

John  WA4WDL


From: "Bill Hawkins" bill@iaxs.net
Sent: Saturday, March 03, 2012 11:32 PM
To: "'Discussion of precise time and frequency measurement'" <
time-nuts@febo.com>

Subject: Re: [time-nuts] Questions about Austron 5000 Loran C receiver

Andy, I'm truly sorry this didn't go anywhere, in spite of Forster's

attempt to hijack the thread. You got more replies from heavy hitters
than I ever did. (Excuse me, Magnus, if you do not consider yourself
as a heavy hitter.)

What you have is a device that has a CRT display and Nixie displays,
an antenna connection, and several 50 pin connectors. A creative
bit banger could make a marvelous display from this unit. Truly
creative bit bangers are hard to find these days.

Have I challenged anybody here? Andy is one of the good guys.

Bill Hawkins

-----Original Message-----
From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com] On
Behalf Of Andy Lokken
Sent: Saturday, March 03, 2012 10:09 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Questions about Austron 5000 Loran C receiver

Thanks to all who replied. I think I'm in over my head with this one.
There
are far easier ways for me to try to receive Loran C, and I have no
shortage of projects.

So... Forgive me if this is not allowed on this reflector...

Free to a good home (after shipping): One Austron 5000 Loran C
receiver.
Untested. Decent physical condx. See earlier post from me for a link to
photos.

If interested, please contact me off list.

-Andy


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Just driving the displar is probably very easy. Given the era, it probably takes no more than a parallel output port and a strobe to latch the data. The nixies may have BCD decoders, but that's about it. The 'scope may be analog from the receiver or have a couple of parallel D/A's and a latch and intensify strobe. -John ================ >> It would make an awesome display! >> >> John WA4WDL >> >> -------------------------------------------------- >> From: "Bill Hawkins" <bill@iaxs.net> >> Sent: Saturday, March 03, 2012 11:32 PM >> To: "'Discussion of precise time and frequency measurement'" < >> time-nuts@febo.com> >> >> Subject: Re: [time-nuts] Questions about Austron 5000 Loran C receiver >> >> Andy, I'm truly sorry this didn't go anywhere, in spite of Forster's >>> attempt to hijack the thread. You got more replies from heavy hitters >>> than I ever did. (Excuse me, Magnus, if you do not consider yourself >>> as a heavy hitter.) >>> >>> What you have is a device that has a CRT display and Nixie displays, >>> an antenna connection, and several 50 pin connectors. A creative >>> bit banger could make a marvelous display from this unit. Truly >>> creative bit bangers are hard to find these days. >>> >>> Have I challenged anybody here? Andy is one of the good guys. >>> >>> Bill Hawkins >>> >>> >>> -----Original Message----- >>> From: time-nuts-bounces@febo.com [mailto:time-nuts-bounces@febo.com] On >>> Behalf Of Andy Lokken >>> Sent: Saturday, March 03, 2012 10:09 PM >>> To: Discussion of precise time and frequency measurement >>> Subject: Re: [time-nuts] Questions about Austron 5000 Loran C receiver >>> >>> Thanks to all who replied. I think I'm in over my head with this one. >>> There >>> are far easier ways for me to try to receive Loran C, and I have no >>> shortage of projects. >>> >>> So... Forgive me if this is not allowed on this reflector... >>> >>> Free to a good home (after shipping): One Austron 5000 Loran C >>> receiver. >>> Untested. Decent physical condx. See earlier post from me for a link to >>> photos. >>> >>> If interested, please contact me off list. >>> >>> -Andy >>> >>> >>> >>> _______________________________________________ >>> 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. > >
AA
Antonio Amandio Sanches de Magalhaes
Sun, Mar 4, 2012 5:53 PM

Paul & Co.

I am a Loran addict: I have two 2000C (useless in Europe)
and another 2100F which is working very fine.

Best regards,
Antonio


Antonio Amandio Sanches de Magalhaes

Em 2012-03-04 16:18, paul swed escreveu:

Antonio you are going to kill off your old 2000?
Mine still works.
Regards
Paul
WB8TSL

On Sun, Mar 4, 2012 at 11:14 AM, Antonio Amandio Sanches de Magalhaes
<
asmagal@fc.up.pt> wrote:

Now, that the Loran C ressurection seems to be probable,
I wonder if it is worthwhile to part a slighthly defective
2000C receiver.
If interested contact me off the list.

Antonio
CT1TE

_____________**
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/**

mailman/listinfo/time-nutshttps://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.


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Paul & Co. I am a Loran addict: I have two 2000C (useless in Europe) and another 2100F which is working very fine. Best regards, Antonio --- Antonio Amandio Sanches de Magalhaes Em 2012-03-04 16:18, paul swed escreveu: > Antonio you are going to kill off your old 2000? > Mine still works. > Regards > Paul > WB8TSL > > On Sun, Mar 4, 2012 at 11:14 AM, Antonio Amandio Sanches de Magalhaes > < > asmagal@fc.up.pt> wrote: > >> Now, that the Loran C ressurection seems to be probable, >> I wonder if it is worthwhile to part a slighthly defective >> 2000C receiver. >> If interested contact me off the list. >> >> Antonio >> CT1TE >> --- >> >> >> ______________________________**_________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/** >> >> mailman/listinfo/time-nuts<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.
AB
Azelio Boriani
Sun, Mar 4, 2012 6:22 PM

Which chain are you receiving? I have a Raynav 520 but here in Italy it
seems that the Lessay chain can't be received...

On Sun, Mar 4, 2012 at 6:53 PM, Antonio Amandio Sanches de Magalhaes <
asmagal@fc.up.pt> wrote:

Paul & Co.

I am a Loran addict: I have two 2000C (useless in Europe)
and another 2100F which is working very fine.

Best regards,
Antonio


Antonio Amandio Sanches de Magalhaes

Em 2012-03-04 16:18, paul swed escreveu:

Antonio you are going to kill off your old 2000?
Mine still works.
Regards
Paul
WB8TSL

On Sun, Mar 4, 2012 at 11:14 AM, Antonio Amandio Sanches de Magalhaes <
asmagal@fc.up.pt> wrote:

Now, that the Loran C ressurection seems to be probable,

I wonder if it is worthwhile to part a slighthly defective
2000C receiver.
If interested contact me off the list.

Antonio
CT1TE

_____________**
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/**

mailman/listinfo/time-nuts<
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>
and follow the instructions there.


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Which chain are you receiving? I have a Raynav 520 but here in Italy it seems that the Lessay chain can't be received... On Sun, Mar 4, 2012 at 6:53 PM, Antonio Amandio Sanches de Magalhaes < asmagal@fc.up.pt> wrote: > Paul & Co. > > I am a Loran addict: I have two 2000C (useless in Europe) > and another 2100F which is working very fine. > > Best regards, > Antonio > > --- > Antonio Amandio Sanches de Magalhaes > > Em 2012-03-04 16:18, paul swed escreveu: > >> Antonio you are going to kill off your old 2000? >> Mine still works. >> Regards >> Paul >> WB8TSL >> >> On Sun, Mar 4, 2012 at 11:14 AM, Antonio Amandio Sanches de Magalhaes < >> asmagal@fc.up.pt> wrote: >> >> Now, that the Loran C ressurection seems to be probable, >>> I wonder if it is worthwhile to part a slighthly defective >>> 2000C receiver. >>> If interested contact me off the list. >>> >>> Antonio >>> CT1TE >>> --- >>> >>> >>> ______________________________**_________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to https://www.febo.com/cgi-bin/** >>> >>> mailman/listinfo/time-nuts< >>> 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. >
JF
J. Forster
Sun, Mar 4, 2012 6:43 PM

Are they useless because of the 4 digit GRIs?

If so, how about introducing a synthesizer into the 10 MHz ref input to
jigger the 10.000 MHz to something close such that the receiver will think
that 96,460 is actually 96,400 or 96,500. The master oscillator driving
the synth will still be 10.000000 MHZ and the frequency error will be
useful, but very slightly out of cal.

-John

===============

Paul & Co.

I am a Loran addict: I have two 2000C (useless in Europe)
and another 2100F which is working very fine.

Best regards,
Antonio


Antonio Amandio Sanches de Magalhaes

Em 2012-03-04 16:18, paul swed escreveu:

Antonio you are going to kill off your old 2000?
Mine still works.
Regards
Paul
WB8TSL

On Sun, Mar 4, 2012 at 11:14 AM, Antonio Amandio Sanches de Magalhaes
<
asmagal@fc.up.pt> wrote:

Now, that the Loran C ressurection seems to be probable,
I wonder if it is worthwhile to part a slighthly defective
2000C receiver.
If interested contact me off the list.

Antonio
CT1TE

_____________**
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To unsubscribe, go to https://www.febo.com/cgi-bin/**

mailman/listinfo/time-nutshttps://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.


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Are they useless because of the 4 digit GRIs? If so, how about introducing a synthesizer into the 10 MHz ref input to jigger the 10.000 MHz to something close such that the receiver will think that 96,460 is actually 96,400 or 96,500. The master oscillator driving the synth will still be 10.000000 MHZ and the frequency error will be useful, but very slightly out of cal. -John =============== > Paul & Co. > > I am a Loran addict: I have two 2000C (useless in Europe) > and another 2100F which is working very fine. > > Best regards, > Antonio > > --- > Antonio Amandio Sanches de Magalhaes > > Em 2012-03-04 16:18, paul swed escreveu: >> Antonio you are going to kill off your old 2000? >> Mine still works. >> Regards >> Paul >> WB8TSL >> >> On Sun, Mar 4, 2012 at 11:14 AM, Antonio Amandio Sanches de Magalhaes >> < >> asmagal@fc.up.pt> wrote: >> >>> Now, that the Loran C ressurection seems to be probable, >>> I wonder if it is worthwhile to part a slighthly defective >>> 2000C receiver. >>> If interested contact me off the list. >>> >>> Antonio >>> CT1TE >>> --- >>> >>> >>> ______________________________**_________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to https://www.febo.com/cgi-bin/** >>> >>> mailman/listinfo/time-nuts<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. > >
AA
Antonio Amandio Sanches de Magalhaes
Sun, Mar 4, 2012 8:52 PM

Azelio,

I am currently receiving the 6731 Lessay chain. The strongest station
is the Xray Soustons, of course. But I can also lock to the Master even
at daylight.
The phase comparison of my Tbolt against Soustons never shows more
than few parts per trillion.
It is a pitty that the 7990 Mediterranean chain was dismantled.

Ciao,
Antonio
CT1TE

Azelio, I am currently receiving the 6731 Lessay chain. The strongest station is the Xray Soustons, of course. But I can also lock to the Master even at daylight. The phase comparison of my Tbolt against Soustons never shows more than few parts per trillion. It is a pitty that the 7990 Mediterranean chain was dismantled. Ciao, Antonio CT1TE