[time-nuts] Loran?

paul swed paulswedb at gmail.com
Mon Dec 20 20:54:19 EST 2010


Interesting
Just barely I may be seeing several chains on the east coast of the US near
Boston.
I am using a austron 2100 and a 2100F. Definitely see it trying to lock and
its does go into settle mode. But I am afraid I may have some nasty
switching power supply of some sort nearby. I see a bursting noise signal
semi synchronous at 100 KC. Never seen this before.

I seem to see 9007 and 6731 the best. 7499 nothing and would say 7001 quite
weak.
May have to go to the older Austron 2000c and take a look. That gives me
much more flexibility in control to confirm that I can see the signals.

Antenna is a Loran preamplified antenna (No idea the model hamfest
stuff) with a fiber glass whip 7' tall wound with hundreds of turns of #26
gauge wire as a single layer. Approx 6 ft off the ground.
Regards
Paul
WB8TSL



2010/12/20 paul swed <paulswedb at gmail.com>

> Thanks Poul will do its long enough past sunset to start hunting.
>
> On Mon, Dec 20, 2010 at 5:45 PM, Poul-Henning Kamp <phk at phk.freebsd.dk>wrote:
>
>> In message <AANLkTi=KYamMSdN7KoMCPBs8iGw=EXzxm7NQ767-+TOc at mail.gmail.com<EXzxm7NQ767-%2BTOc at mail.gmail.com>>,
>> paul
>>  swed writes:
>>
>> >Well to be honest when I typed loran it was simply because I felt like
>> it.
>> >It was more important to communicate the fact that I couldn't here and
>> >european stations in the northeast us. Thats all that mattered. Caps or
>> >lowercase simply no longer matters to me on the dead us service.
>> >So getting back at it I will fire up a different antenna and preamp and
>> give
>> >it one more shot.
>>
>> Make sure you listen on the correct GRI's, some tables still list the
>> long abandoned 3-digit USCG chains, rather than the 4-digit NELS chains:
>>
>>        Eiği, GRI=9007
>>        Lessay, GRI=6731
>>        Sylt, GRI=7499
>>        Værlandet, GRI=7001
>>
>> For what it's worth, I have never been able to more than barely detect
>> the 9960 chain from here in Denmark, and that was only after a major
>> DSP exercise...
>>
>> Poul-Henning
>>
>> --
>> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
>> phk at 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.
>>
>>
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>
>



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