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From: "Alejandro D Alvarez LU8YD" <alex2003@infovia.com.ar>
To: <rsgb_lf_group@blacksheep.org>
References: <008701cb4882$da757430$4001a8c0@lark> <4C7C32FA.3050500@iup.uni-heidelberg.de>
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Date: Mon, 30 Aug 2010 22:24:32 -0300
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Subject: RE: LF: Fw: Sucessful LF 137 KHz test in Argentina.
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Stefan:

All EU LF BCD reception was in rural site, not in my regular QTH, (urb=
an
zone in Neuquen city: FF51xb)

I have audio records of Europe AM Broadcast=20

You can download audio record in WAV and MP3 in this site:
www.qsl.net/lu8yd/LW

There are not any LF broadcast in South America, all broadcast here in=
 MW
530-1710 KHz. Below 530 KHz only NDB aero beacon. Not time signals.

LU1DOW confirm my error in ARGO last night : +0.2 Hz, I confirm this=
 value
receiving weak signal  153.000 Europe Broadcast 1 hour ago.

LU1DOW Oscar generate his LF signal with IC-756 at 13.777 Mhz diving=
 for
100.

Oscar waits 2 hours for temperature stabilization before TX on.

Now Argo is calibrated in QRSS120 also with the correct offset, I use=
 R-75
always in USB 137.000.

My station grabber is active only on request because I am NDB hunter=
 and I
have only one Receiver and Inverted L antenna, now I am making 1.3 m=
 x 1.3 m
square loop antenna for 137 Khz and I am waiting MFJ-1026 noise cancel=
ling
from USA for better reception.

Now  my grabber is uploading capture for all station interested in DX
capture from Argentina.( centered 137.777 QRSS120) (QTH FF51xb)

Regards Alex LU8YD






-----Mensaje original-----
De: owner-rsgb_lf_group@blacksheep.org
[mailto:owner-rsgb_lf_group@blacksheep.org] En nombre de Stefan Sch=E4=
fer
Enviado el: lunes, 30 de agosto de 2010 19:39
Para: rsgb_lf_group@blacksheep.org
Asunto: Re: LF: Fw: Sucessful LF 137 KHz test in Argentina.

Alex,

Your QTH and RX sounds interesting! It is a real benefit not to have=
=20
mains hum near the RX!

You said you can receive EU LF BCD stations: Please, what S/N is DLF=
=20
(Deutschlandfunk) at 153 kHz (AM) and what S/N is DCF39 at 138.83 kHz?=
=20
This could become an interesting information since those stations are=
=20
located near the amateur radio LF band.

If you have SpecLab as an alternative you could monitor the levels of=
=20
those two stations over 24 hours and can show us the dayly dependency=
 of=20
S/N.

Are there any LF BCD stations in Argentinia, as close as possible to=
 137=20
kHz?

I hope you will receive my signal this saturday night! :-)

Best 73, Stefan/DK7FC
> ----- Original Message -----
> From: "Alejandro D Alvarez LU8YD"<alex2003@infovia.com.ar>
> To:<rsgb_lf_group@blacksheep.org>
> Cc: "'Alan Melia'"<alan.melia@btinternet.com>
> Sent: Monday, August 30, 2010 8:32 PM
> Subject: RV: Sucessful LF 137 KHz test in Argentina.
>
>
> Alan: i resent this email to you because reflector not forward it to=
 the
> list
>
>
>
> Hi,
>
> Is a pleasure to report the successful reception of the LU1DOW test
> transmission in QRSS10 137 KHz past August 21.
>
> LU1DOW station: Tx 400W Power out Antenna: 100 m inverted L.  ERP:=
 ????
> grid locator: GF05rm.
>
> LU8YD station: Icom R-75 + Argo + HP530 notebook, Antenna: 100 m Inv=
erted
L
> wire with home made tunner, two ground rods and 20 m radial for grou=
nding,
> all operated with 12 Vcc GEL battery energy system  QTH: special rur=
al
site
> without human QRM without electric lines. Locator: FF50sp, distance=
 to
> LU1DOW: 1035 km.
>
> In this site also good reception of Europe AM Broadcast in LW band.
>
> I attached four capture images, QTR is local time (UTC- 3), see two=
 other
> UNID signals some Hz up.
>
>
>
> Regards.
>
> Alex LU8YD
>
>
>
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