[time-nuts] Loran DX and Austron 2100

paul swed paulswedb at gmail.com
Sun Dec 19 10:35:22 EST 2010


Did look for LORAN C chains last night simple dumb setup.
HP 3586 to 80 meter vertical and pretty good ground plane.
Heard not a thing from Boston even at -120 db. (I did hear general crud)
Do wonder with all of these little cpfl lights and their nasty switchers if
the noise floors is up.
Will try with a LORAN C active antenna and preamp tonight. But not sounding
to good.
Regards
Paul
WB8TSL


On Mon, Dec 13, 2010 at 1:02 PM, Bob Camp <lists at rtty.us> wrote:

> Hi
>
> Certainly more immune to synchronous noise like RFI from switching power
> supplies. I haven't checked the ERP numbers on the chains. There may be
> some
> differences there. Some of the Asian chains used to pump out a *lot* of
> power.
>
> Bob
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Poul-Henning Kamp
> Sent: Monday, December 13, 2010 12:50 PM
> To: jfor at quik.com; Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Loran DX and Austron 2100
>
> In message <61515.12.6.201.2.1292262311.squirrel at popaccts.quikus.com>, "J.
> Fors
> ter" writes:
>
> Relative to the old Iceland chain, the "new" 4-digit GRI's should be
> more immune to noise because 1kHz raster signals average out.
>
> --
> 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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