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Message-ID: <201272.95687.qm@web111908.mail.gq1.yahoo.com>
References: <4D4C25A5.4080509@iup.uni-heidelberg.de>
Date: Fri, 4 Feb 2011 08:47:45 -0800 (PST)
From: Daniele Tincani <danieletincani@yahoo.com>
To: rsgb_lf_group@blacksheep.org
In-Reply-To: <4D4C25A5.4080509@iup.uni-heidelberg.de>
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Subject: Re: VLF: DK7FC's 10th VLF kite experiment
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Hello Stefan, VLF

weather forecast are promising, it is expected a sunny and nicely warm sun=
day. I=20
think I will be able to carry out my /p recording from hills around here=
=20
finally.
I plan to record about 2 hours from three different antennas (so about 35=
=20
minutes per antenna). It would be great to have your signal as a test sign=
al to=20
compare=A0performances.
I will have only a small digital recorder with me (no PC or Internet) so=
 I will=20
see my "captures" only after post-processing at home.
Good look for everyone involved :-)

Best regards
Daniele




________________________________
From: Stefan Sch=E4fer <schaefer@iup.uni-heidelberg.de>
To: rsgb_lf_group@blacksheep.org
Cc: Paul <paul@abelian.netcom.co.uk>; Renato Romero <contact@vlf.it>; Bern=
d=20
Grupe <bernd.grupe@t-online.de>; Matthias Kirschenstein=20
<matthias.kirschenstein@googlemail.com>
Sent: Fri, February 4, 2011 5:13:25 PM
Subject: VLF: DK7FC's 10th VLF kite experiment

Dear LF/VLF group and other interested listeners/watchers,

After a break of 2 months i will do my next VLF kite experiment on sunday,=
 6th=20
februrary 2011. I've got the permission to fly a 300m kite vertical antena=
 in=20
daylight. My plan is to start early in the morning, coming on air at about=
 7=20
UTC.=20


The wind forecast tells that the wind will be above 18 km/h (3 bft) but wi=
ll=20
decrease in the afternoon. This is a job for my smaller kite (3.6 m^2). Ma=
ybe i=20
have to change to 8.1m^2 in the afternoon.

Such a kite experiment is always very exciting and a little chaotic too.=
 So i=20
cannot tell a too detailed and strict TX plan. The antenna consits out of=
=A0 2=20
pieces, a 200m and a 100m part. The 200m part is the first that is lifted.=
=20
Usually i want to serve 3 VLF bands: 33km, 46km and 58km. The antenna is=
 only=20
resonatable at 46km / 6470 Hz if the 200m piece is connected. Thus i start=
ed on=20
46km in the last experiment. But due to the necessity to become QRV on 33k=
m /=20
8970 Hz as early as possible to make a TA contact i want to start on 8970=
 Hz on=20
sunday, maybe transmitting at 200m while rolling out the second 100m part.=
=20
Anyway, if possible it's better to watch on all the 3 bands simultaneously=
, like=20
4X1RF, TF3HZ, KL7UK, DK7FC and others do it :-) But usually you'll be info=
rmed=20
here by the group what currently goes on. My VLF grabber in 40.0 km distan=
ce=20
will display the activity. 8970 Hz can be viewed at=20
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html and=
=20
6470/5170 Hz at=20
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html

If the wind, interest and my personal energy holds on i will be transmitti=
ng=20
from 7...16:30 UTC. TX power will be 550 W. Depending on the soil humidity=
 this=20
will result in up to 100 mW ERP on 8970 Hz. As usual, my TX location ist=
=20
JN49IS36VH

If all works well i'll try to reach the following goals:
-Transmitting a constant carrier for about 1 hour (GPS locked) at 8970.000=
00 Hz=20
at full power (it's always full power! ;-) ), hoping to leave a strong tra=
ce at=20
several curious VLF receivers :-)
-Transmitting a message in DFCW-600 at 8970 Hz to give a better ID and to=
 keep=20
the activity interesting
-Trying a DFCW-3 crossband QSO with DF6NM on 9/137 kHz at 179 km=20
(http://no.nonsense.ee/qthmap/?qth=3DJN59NK&from=3DJN49IS36VH)
-Transmitting a short message in DFCW-10 for well equipped stations in a=
 range=20
of some 100km. Just to check how far DFCW-10 can be detected
-Maybe trying a CW QSO with DF8ZR in 16km distance (who strongly improved=
 his=20
station)
-QSY to 5170 Hz / 58km or maybe 6470 Hz, depending on the feedback and the=
=20
diurnal noise situation
-Transmitting a carrier and some shifted DFCW-600 letters to give better=
 ID.
-Spontaneous tests depending on request, wind situation, QRN and personal=
 energy

-Reaching the TF3HZ VLF grabber in DFCW-600=20
(http://simnet.is/halldorgudmunds/TF3HZ_VLFgrabber/ ). Halldor has put a=
 lot of=20
energy in this project, mni TNX!=20

-Reaching other grabbers like 4X1RF and maybe KL7UK (the limit of my optim=
ism!:=20
http://no.nonsense.ee/qthmap/?qth=3DJN49IS36VH&from=3DBP51IP ) or even a=
 university=20
in India(?). Generally reaching as many stations as possible. EI8JK, many=
=20
stations in UK (G3XBM, M0BMU, or even GM4SLV?), some new of them (G3XDV,=
=20
G3KEV?), maybe a first contact in Russia,RA3YO? And norway, LA3EQ? I've he=
ard=20
from the yahoo VLF group about stations in Romania/YO.=20

-Hoping to give VLF interested OMs a chance to check, compare and improve=
=20
different antenna systems.
-Maybe convincing a station in Greenland/OX to put some interest on the ba=
nds=20
below 1 MHz? :-)
-Making a fascinating day for all involved.
-Improving the station by reducing the ground losses of the system. Reachi=
ng 1.4=20
A / 15 kV rms at 8970 Hz

As far as i can see there is no chance for a DX distance record as long as=
 i=20
don't reach so far unknown stations or stations in USA/Canada or India. Bu=
t the=20
main aspect is not the distance record, although interesting and fascinati=
ng and=20
exciting, but rather having fun, active "Dreaming" and making some interes=
ting=20
observations :-)

So, hope for a good activity and good wind conds. Any reports are highly=
=20
appreciated. RX stations are THE important part of such an activity! Thank=
s in=20
advance!

73, Stefan/DK7FC

PS: Some grabber links:
http://qsl.net/4x1rf/vlf/vlfgrabber.htm
http://www.mydarc.de/df6nm/vlf/vlfgrabber.htm
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html=A0=A0=
 (8970 Hz=20
in 40 km distance)
http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html (647=
0 and=20
5170 Hz in 40 km distance)
http://simnet.is/halldorgudmunds/
http://kl7uk.com/VLFAlaska.html
There are many others available. The above are running 24/7. Sorry if ther=
e was=20
someting forgotten.


     =20

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Content-Transfer-Encoding: quoted-printable

<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></h=
ead><body><div style=3D"font-family:arial, helvetica, sans-serif;font-size=
:10pt"><DIV>Hello Stefan, VLF</DIV>
<DIV>&nbsp;</DIV>
<DIV>weather forecast are promising, it is expected a sunny and nicely war=
m sunday. I think I will be able to carry out my /p recording from hills=
 around here finally.</DIV>
<DIV>I plan to record about 2 hours from three different antennas (so abou=
t 35 minutes per antenna). It would be great to have your signal as a test=
 signal to compare&nbsp;performances.</DIV>
<DIV>I will have only a small digital recorder with me (no PC or Internet)=
 so I will see my "captures" only after post-processing at home.</DIV>
<DIV>Good look for everyone involved :-)</DIV>
<DIV>&nbsp;</DIV>
<DIV>Best regards</DIV>
<DIV>Daniele<BR></DIV>
<DIV style=3D"FONT-SIZE: 10pt; FONT-FAMILY: arial, helvetica, sans-serif">=
<BR>
<DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, tim=
es, serif"><FONT face=3DTahoma size=3D2>
<HR SIZE=3D1>
<B><SPAN style=3D"FONT-WEIGHT: bold">From:</SPAN></B> Stefan Sch=E4fer &lt=
;schaefer@iup.uni-heidelberg.de&gt;<BR><B><SPAN style=3D"FONT-WEIGHT: bold=
">To:</SPAN></B> rsgb_lf_group@blacksheep.org<BR><B><SPAN style=3D"FONT-WE=
IGHT: bold">Cc:</SPAN></B> Paul &lt;paul@abelian.netcom.co.uk&gt;; Renato=
 Romero &lt;contact@vlf.it&gt;; Bernd Grupe &lt;bernd.grupe@t-online.de&gt=
;; Matthias Kirschenstein &lt;matthias.kirschenstein@googlemail.com&gt;<BR=
><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Fri, February 4, 20=
11 5:13:25 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B>=
 VLF: DK7FC's 10th VLF kite experiment<BR></FONT><BR>Dear LF/VLF group and=
 other interested listeners/watchers,<BR><BR>After a break of 2 months i=
 will do my next VLF kite experiment on <B>sunday, 6th februrary 2011</B>.=
 I've got the permission to fly a 300m kite vertical antena in daylight.=
 My plan is to start early in the morning, coming on <B>air at about 7 UTC=
</B>. <BR><BR>The wind
 forecast tells that the wind will be above 18 km/h (3 bft) but will decre=
ase in the afternoon. This is a job for my smaller kite (3.6 m^2). Maybe=
 i have to change to 8.1m^2 in the afternoon.<BR><BR>Such a kite experimen=
t is always very exciting and a little chaotic too. So i cannot tell a too=
 detailed and strict TX plan. The antenna consits out of&nbsp; 2 pieces,=
 a 200m and a 100m part. The 200m part is the first that is lifted. Usuall=
y i want to serve 3 VLF bands: 33km, 46km and 58km. The antenna is only re=
sonatable at 46km / 6470 Hz if the 200m piece is connected. Thus i started=
 on 46km in the last experiment. But due to the necessity to become QRV on=
 33km / 8970 Hz as early as possible to make a TA contact i want to start=
 on 8970 Hz on sunday, maybe transmitting at 200m while rolling out the se=
cond 100m part. Anyway, if possible it's better to watch on all the 3 band=
s simultaneously, like 4X1RF, TF3HZ, KL7UK, DK7FC and others do it :-) But=
 usually
 you'll be informed here by the group what currently goes on. My VLF grabb=
er in 40.0 km distance will display the activity. 8970 Hz can be viewed at=
 http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber.html and=
 6470/5170 Hz at http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_G=
rabber2.html<BR><BR>If the wind, interest and my personal energy holds on=
 i will be <B>transmitting from 7...16:30 UTC. TX power will be 550 W</B>.=
 Depending on the soil humidity this will result in up to 100 mW ERP on 89=
70 Hz. As usual, my TX location ist <A href=3D"http://no.nonsense.ee/qthma=
p/?qth=3DJN49IS36VH" target=3D_blank rel=3Dnofollow>JN49IS36VH</A><BR><BR>=
<U>If all works well i'll try to reach the following goals:</U><BR>-Transm=
itting a constant carrier for about 1 hour (GPS locked) at 8970.00000 Hz=
 at full power (it's always full power! ;-) ), hoping to leave a strong tr=
ace at several curious VLF receivers :-)<BR>-Transmitting a message in DFC=
W-600 at 8970 Hz
 to give a better ID and to keep the activity interesting<BR>-Trying a DFC=
W-3 crossband QSO with DF6NM on 9/137 kHz at 179 km (http://no.nonsense.ee=
/qthmap/?qth=3DJN59NK&amp;from=3DJN49IS36VH)<BR>-Transmitting a short mess=
age in DFCW-10 for well equipped stations in a range of some 100km. Just=
 to check how far DFCW-10 can be detected<BR>-Maybe trying a CW QSO with=
 DF8ZR in 16km distance (who strongly improved his station)<BR>-QSY to 517=
0 Hz / 58km or maybe 6470 Hz, depending on the feedback and the diurnal no=
ise situation<BR>-Transmitting a carrier and some shifted DFCW-600 letters=
 to give better ID.<BR>-Spontaneous tests depending on request, wind situa=
tion, QRN and personal energy<BR><BR>-Reaching the <B>TF3HZ VLF grabber in=
 DFCW-600</B> (http://simnet.is/halldorgudmunds/TF3HZ_VLFgrabber/ ). Halld=
or has put a lot of energy in this project, mni TNX! <BR>-Reaching other=
 grabbers like 4X1RF and maybe KL7UK (the limit of my optimism!:
 http://no.nonsense.ee/qthmap/?qth=3DJN49IS36VH&amp;from=3DBP51IP ) or eve=
n a university in India(?). Generally reaching as many stations as possibl=
e. EI8JK, many stations in UK (G3XBM, M0BMU, or even GM4SLV?), some new of=
 them (G3XDV, G3KEV?), maybe a first contact in Russia,RA3YO? And norway,=
 LA3EQ? I've heard from the yahoo VLF group about stations in Romania/YO.=
 <BR>-Hoping to give VLF interested OMs a chance to check, compare and imp=
rove different antenna systems.<BR>-Maybe convincing a station in Greenlan=
d/OX to put some interest on the bands below 1 MHz? :-)<BR>-Making a fasci=
nating day for all involved.<BR>-Improving the station by reducing the gro=
und losses of the system. Reaching 1.4 A / 15 kV rms at 8970 Hz<BR><BR>As=
 far as i can see there is no chance for a DX distance record as long as=
 i don't reach so far unknown stations or stations in USA/Canada or India.=
 But the main aspect is not the distance record, although interesting and=
 fascinating and
 exciting, but rather having fun, active "Dreaming" and making some intere=
sting observations :-)<BR><BR>So, hope for a good activity and good wind=
 conds. Any reports are highly appreciated. RX stations are THE important=
 part of such an activity! Thanks in advance!<BR><BR>73, Stefan/DK7FC<BR><=
BR>PS: Some grabber links:<BR>http://qsl.net/4x1rf/vlf/vlfgrabber.htm<BR>h=
ttp://www.mydarc.de/df6nm/vlf/vlfgrabber.htm<BR><A class=3Dmoz-txt-link-fr=
eetext href=3D"http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Gra=
bber.html" target=3D_blank rel=3Dnofollow>http://www.iup.uni-heidelberg.de=
/schaefer_vlf/DK7FC_VLF_Grabber.html</A>&nbsp;&nbsp; (8970 Hz in 40 km dis=
tance)<BR><A class=3Dmoz-txt-link-freetext href=3D"http://www.iup.uni-heid=
elberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html" target=3D_blank rel=3Dnofo=
llow>http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html=
</A> (6470 and 5170 Hz in 40 km
 distance)<BR>http://simnet.is/halldorgudmunds/<BR>http://kl7uk.com/VLFAla=
ska.html<BR>There are many others available. The above are running 24/7.=
 Sorry if there was someting forgotten.<BR><BR></DIV></DIV></div><br>







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