[time-nuts] Loran DX and Austron 2100

J. Forster jfor at quik.com
Mon Dec 13 17:45:11 UTC 2010


???

Both my Austron 2100Fs have Austron loops.

-John

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


> Hi
>
> It's been a long time since I've tried this, but the Iceland chain was a
> reasonable catch from the central US with an Austron 2100 and the standard
> supplied whip antenna. Reception was "ok" at night and useless during the
> day. As I recall the signal was well above (> 20 db) the rated floor of
> the
> receiver at night.
>
> Local noise sources near the antenna are likely to be more of an issue
> than
> antenna type. Directivity can indeed help with that. Down there, what ever
> you use will need to be vertically polarized. If you do believe gain is
> the
> issue, a 30' vertical on a good ground / out in the clear may give you
> almost 14 db of gain over the normal 6' whip over who knows what (volts
> per
> meter ...). That assumes both are run into a high impedance preamp.
>
> Picking up the chains in Europe (or even Asia) is very do-able. The signal
> will be a sky wave only sort of thing. That limits it's use for timing.
> Certainly an entertaining way to pass the winter.
>
> Bob
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of paul swed
> Sent: Sunday, December 12, 2010 12:13 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Loran DX and Austron 2100
>
> I had picked up the Lessay chain in the summer over night. But it was very
> unreliable.
> Have been waiting for winter to try again. I suppose it might be time but
> business travel will preclude a effort this week. I am off next week so
> that
> should be a good chance.
>
> My antennas are.
> Preamplified loran whip 6' off the ground. Was good enough for the summer
> A 67 foot vertical with many radials 16 X as an alternate. No preamp.
> Paul
> WB8TSL
> Near Boston Ma.
>
>
> On Sun, Dec 12, 2010 at 10:37 AM, Stan, W1LE <stanw1le at verizon.net> wrote:
>
>> Good Morning Claude,
>>
>> I am assembling a K9AY terminated loop antenna, pointing to N. Europe.
> (~30
>> degrees)
>> Will use a ARR preamplifier at the antenna.
>>
>> I hope to start listening later this month.
>>
>> Some stations to listen for:
>> Lessay, France master on GRI 6731, Soustons France, slave X
>> BO , master on 7001, Jan Mayen, slave X, Berlevag slave Y
>> Sylt,  on 7499, Lessay, slave X,  Vaerlandet, slave Y
>> Eidi (Ejde) on 9007 master,   Jan Mayen slave W,    BO slave X,
>>  Vaerlandet slave Y
>>
>>
>> From my location on Cape Cod  FN41sr, looks like the closest active
>> chain
>> is Eidi with GRI of 9007
>> Eidi, IP62lh DX of 2900.1 miles
>> Jan Mayen,  IQ50pv,  2900.2 miles
>> Lessay,  IN99fd   at 3274.1 miles
>> Soustons,  IN93hr at 3412.4 miles,  (6731 GRI)
>>
>> I have not calculated BO, and Berlevag details (7001 GRI) nor for the
>> Sylt
>> chain.
>>
>> A google search on "Loran C stations" will show a listing of the few
> active
>> stations
>> with the station details like RF power output and Lat/Long.
>> I have converted Lat/Long to 6 digit grid locator for my ease in LOB and
>> DX calculations with BD2004 software.
>>
>> Sky wave propagation should be possible for the North Atlantic,
>> European,
>> Western Russia, Saudi, and  Mediterranean chains.
>>
>> Low likelihood of any ground wave and its better accuracies.
>> I miss my Nantucket Loran-C station and its Cs accuracies.
>>
>> A modern Stanford Research Systems model FS700 Loran C receiver
>> is on hand as the receiver.
>>
>> Stan, W1LE      Cape Cod     FN41sr
>>
>>
>>
>>
>> On 12/12/2010 8:17 AM, Claude Houde wrote:
>>
>>> Hello everybody.
>>>
>>> Does anyone on the northern east coast has been sucessfull in receiving
>>> European Loran C chains ?
>>>
>>> I'm located around Montreal, Québec.
>>>
>>> If so, what type of antennas you used ?
>>>
>>> Thanks !
>>>
>>> Claude Houde VA2 HDD
>>>
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>>
>>
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