From: Gerhard Hickl <gerhard.hickl@aon.at>
To: rsgb_lf_group@blacksheep.org
In-Reply-To: <4CC05B8F.2030406@iup.uni-heidelberg.de>
References: <4CC05B8F.2030406@iup.uni-heidelberg.de>
Date: Thu, 21 Oct 2010 22:25:16 +0200
Message-ID: <1287692716.1835.7.camel@gerhard-desktop>
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Subject: Re: VLF: DK7FC's 8th VLF kite experiment
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Hello Stefan !

Either day, I will try to participate!

Just let me (us) know about your final decision.

73

OE3GHB
Gerhard



Am Donnerstag, den 21.10.2010, 17:26 +0200 schrieb Stefan Sch=C3=A4fer:
> Dear VLF,
>=20
> This weekend i plan to do my next kite experiment. I have got the
> permission for a kite ascent up to 300m above GND on my QTH in
> JN49IS36VH.
>=20
> I will be QRV either on saturday or on sunday, depending on the wx.
> Attached you see the current wind forecast. For saturday the wind is
> not optimal, a little weak but it will be dry. On sunday the wind is
> quite strong and stable but there is probably some rain... I will have
> to see on friday evening if i can start on saturday or sunday and will
> announce that here.
>=20
> If i will start on sunday, where the SAQ transmission takes place,
> this will be no problem since one can listen to SAQ and receive my
> transmission on an other computer based RX (e.g. SpecLab), so both can
> be done to the same time :-).
>=20
> The starting time should be as early as possible. I have the
> permission at 6...16 UTC!
>=20
> The program is to...
>=20
> - rise the 200m vertical and transmit a long carrier (30 min) on 8970
> Hz, after that a message in DFCW-600 and after that a message in
> DFCW-120, then a short CW test.
> - transmit on 6470 Hz in DFCW-600 hoping to be copied at further
> stations (maybe M0BMU, SQ5BPF, OE3GHB, PA3FWM...?)
> - if the wind will be optimal i will add another 100m and will try to
> transmit at 5170 Hz, 58 km band. This might be once again the lowest
> frequency an amateur has ever transmitted and reached the far field
> and above 1 Lambda, so each reception will be a WR for amateurs ;-)
> BTW, my grabber in Heidelberg is in < 1 Lambda ;-) The mode will be
> DFCW-600 as well.
> - Then, coming back to 8970 Hz (maybe in the late afternoon) and
> transmit a looong carrier for long time integrations, maybe for a new
> ODX.
> - reach 1,4 A at 8970 Hz, 1 A at 6470 and 5170 Hz
> - be detected at 3 new stations and a new ODX ;-)
> - use a GPS disciplined transmitter (trying SpecLab as the VFO and
> DFCW generator the first time)
> - measure the R, 'C' of this 300m vertical on 137 kHz, preparing a new
> test there ;-) Since it is 55 % of a full size lambda/4 GP, 5 pF/m is
> not valid i assume
> - be fascinated by the view of such an antenna which easily finds
> place in my car after the test ;-)
>=20
> Until now i don't know who of the german LF group members would be
> possibly on the phone to make QSP to the reflector, just like Markus
> did it in the past. If there is a german member who likes to do that
> job, please send me a personal mail to exchange the phone numbers
> (Festnetz oder O2). Otherwise i have to play my game there alone and
> will see what happend in the evening ;-)
>=20
> BTW, the generator is running again. It started to run again just as i
> have packed all my stuff in the car after the last experiment :-/
> Never mind...
>=20
> Have i forgotten something?=20
>=20
> Please tell me if you think it is no good idea to transmit during the
> SAQ transmission or what is your favorite day, if both is possible
> here. I would prefer sunday, if the rain forecast changes to
> sunny :-)=20
>=20
> 73 and looking forward to the weekend :-)
>=20
> Stefan/DK7FC
>=20
>=20
>=20