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Date: Sun, 11 Aug 2013 00:48:52 +0200
From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= <Stefan.Schaefer@iup.uni-heidelberg.de>
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Subject: Re: LF: Lighthouse MF activity from OH next weekend
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Status: O

Hello Paul-Henrik,

Many thanks for the announcement. I will give it a try, that's clear.=20
But now in late summer the QRN is often very high. The path is mostly=20
water though and it is in south OH so there may be chances (in the=20
north, the dark times are still very short i think).
When using the JUMA, they will need a big TX antenna to be heared here=20
in city in > 1400 km distance.

73, GL, Stefan/DK7FC

Am 10.08.2013 23:16, schrieb phl@netikka.fi:
> Hello,
>
> I'm hereby announcing that OH1AH (The Top Radio Club) will bring 630m=20
> equipment for the yearly lighthouse activity at Ut=F6 in the Finnish=20
> archipelago.
>
> We hope to make some daytime groundwave QSO:s over the Baltic Sea as=20
> well since the Darlowo NDB in Poland was a good mid-day signal last yea=
r.
>
> Last summer we made some rough plans for how to put up a fairly decent=20
> TX antenna and located a few old radials from a decommissioned=20
> maritime NDB plus some thick general grounding wires heading for the=20
> sea. There is almost no soil at the site so "artifical" ground is=20
> brought up from the seashore at about 100m distance.
>
> The International Lighthouse Lightship Weekend activity is 17-18=20
> August 2013 - Duration 48 hours from 0001 UTC 17.8.2013. We will start=20
> building the station on Friday morning, August the 16th and may be=20
> testing in the same evening if all goes well. Due to travelling=20
> arrangements we will have to take down all equipment on Sunday morning=20
> as usual.
>
> I have made a compact "expedition tuner" with a  600uH variometer,=20
> universal impedance matching transformer and an antenna current meter.=20
> The TX will be a JUMA TX500, 60W max. The setup was tested tonight at=20
> my QTH and good signals were received at 350km distance so now it is=20
> up to what kind of antenna we can produce on-site.
>
> Ut=F6 is in the locator KO09QS
>
> Due to the traditional activity on the HF bands this will not be a=20
> pure MF operation. We will try to announce MF activity on dxsummit.=20
> Unless local QRM or other factors favour another QRG we will try to=20
> stay around 472,5kHz.
>
> Comments and suggestions are welcome.
>
>
> BR and hope to make at least a few QSO's
>
> Paul-Henrik, OH1LSQ
>
>
>