[time-nuts] Loran C returning to a station near you...

David McGaw n1hac at dartmouth.edu
Tue Jul 14 23:32:12 EDT 2015


The word is that eLoran IS on in the US from Wildwood as of June 19.  
Has anyone noticed the signal?

http://www.pressofatlanticcity.com/news/loran-navigation-signal-back-on-and-better-than-before/article_21d19298-16d0-11e5-9a69-1343edc2e90b.html

There is also a bill in the US House to reinstate Loran-C as eLoran.

David N1HAC


On 7/14/15 6:49 PM, Bob Camp wrote:
> Hi
>
> Not to be to much of a downer here but …..
>
> Loran for timing and an “Eastern WWVB” are two projects that seem to each have a
> life of their own. They seem to come up on some sort of cycle related to sun spots.
> Both have zero (or possibly less than that) percent mind share among those who
> would need to implement them into systems. Since there is major cost on the systems
> end, it would take “mandatory use” legislation to get them designed in. Without those
> design in’s, *having* a backup system is pretty useless. You are talking about billions of
> dollars and years of effort to hook them up ….
>
> If you are talking about “infinite budget” military systems, some of that may happen. I
> notice in the papers that “infinite budget” does not seem to apply to the US DOD these
> days. For commercial systems, nobody will significantly cut into profits to do something like this.
>
> Should they do this - sure. Will they do it - nope.
>
> Bob
>
>> On Jul 14, 2015, at 4:49 PM, paul swed <paulswedb at gmail.com> wrote:
>>
>> Poul-Henning,
>> The reason to stay with the LORAN C style pulses is very very simple. It
>> allows our time-nuts Austrons and SRS to work. Its the only way I get any
>> of my tax dollars back. :-)
>> The good news is no official government person reads time-nuts.
>> Regards
>> Paul
>>
>>
>> On Tue, Jul 14, 2015 at 12:16 PM, Poul-Henning Kamp <phk at phk.freebsd.dk>
>> wrote:
>>
>>> --------
>>> In message <55A4AC81.1030100 at rubidium.dyndns.org>, Magnus Danielson
>>> writes:
>>>
>>>> The safety is
>>>> relative, in that it takes quite a bit of more infrastructure compared
>>>> to the jamming of GPS, and that lies in the wavelength of the signal
>>>> than anything else.
>>> If the goal is a reliable backup for GPS, there are smarter ways to
>>> use the 100kHz band than Loran-C pulses, and there really isn't much
>>> reason to stay compatible with Loran-C receivers.
>>>
>>> --
>>> 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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