[time-nuts] Is a FS700 useable in the USA?

paul swed paulswedb at gmail.com
Mon Nov 7 10:01:58 EST 2011


Scott one other comment you are 20 miles or so from WWVB.
I would zero in on that in a heartbeat. I might guess a diode and tuned
circuit would even give a reasonable signal.
Regards
Paul
WB8TSL

On Mon, Nov 7, 2011 at 9:59 AM, paul swed <paulswedb at gmail.com> wrote:

> Scott
> I do not believe any antenna will allow you to even hear the signal. Much
> less allow it to become useful.
> I have a srs700 on the eastcoast and on rare evenings I can barely get the
> European signals. On occasion get lock I have a good preamplified antenna
> some what away from noise sources. (Relatively speaking).
> I have numbers of other LORAN C rcvrs and as an example the austrons seem
> a bit better at recovering the signals.
>
> So funny story at the last two ham flea markets in new england a dealer is
> carrying around a FS700 approached him at these flea markets. Well the
> thing was gold. Wanted $300-400 for the unit. It did not matter that it was
> useless in the US. I would put these at a value of $20 today.
>
> Unless you happen to have a LORAN C simulator. But then its only good for
> comparing 2 references against each other. Or more importantly a fine case
> for a GPS reference. :-)
> Regards
> Paul
> WB8TSL
> Boston
>
>
> On Sun, Nov 6, 2011 at 11:07 AM, Azelio Boriani <azelio.boriani at screen.it>wrote:
>
>> Yes, I have seen that some old Loran receivers (like the Apollo 612B) have
>> fixed preprogrammed chain delays (GRIs) and others (like Raynav 520) can
>> be
>> set with a variable delay.
>>
>> On Sun, Nov 6, 2011 at 12:47 PM, Magnus Danielson <
>> magnus at rubidium.dyndns.org> wrote:
>>
>> > On 11/06/2011 12:25 AM, Poul-Henning Kamp wrote:
>> >
>> >> In message<F3429597-8C62-464A-82FA-C321B51FECF5 at flatironresearch.com>,
>> >> Scott H
>> >> arris writes:
>> >>
>> >>  I picked up a SRS FS700 LORAN-C frequency standard cheap and is
>> >>> seem to be functional, but I don't have the active antenna.
>> >>>
>> >>
>> >>  I live about 20 miles west of Boulder, CO.
>> >>>
>> >>
>> >> I seriously doubt you will get any kind of signal that the FS700 or
>> >> any other LORAN-C receiver can use.  Your nearest station may be
>> >> one of the Russian "Chayka" stations.
>> >>
>> >> PS: But I'm in the market for a cheap FS700, if you want to get
>> >> rid of it again, but we need to find a sensible way to ship it
>> >> to Denmark...
>> >>
>> >
>> > I would too be in the market for one, I'm in Sweden so I too get to see
>> > some LORAN-C. However, I recall there being some issue with the FS700
>> and
>> > support for European chains due to the chain delay settings.
>> >
>> > Cheers,
>> > Magnus
>> >
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