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Re: LF: Antarctica on 630m WSPR

To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: Antarctica on 630m WSPR
From: Felix Riess <felix@dl5xl.de>
Date: Thu, 8 Mar 2018 08:29:59 +0100
In-reply-to: <5AA052BD.4010002@posteo.de>
References: <dca12b9c-c401-1338-38ff-feed1f7088db@abelian.org> <c0eb61ff-f1b4-e214-e954-13e4ef2e1a4b@sky.com> <f6fa06b4-b0e7-a898-65c0-22c84e46b742@abelian.org> <cd0c32ac-76ef-589d-aeea-4b6b25d484d4@freenet.de> <9a7cf91a-5643-9149-28a7-ce6d282db3e9@abelian.org> <1555f07a-f2a3-fb55-c246-f52442a1a723@freenet.de> <4ac6d43f-85c7-bd05-85b9-5b64ebcfbf35@abelian.org> <2f6a408a-af27-9c9b-b116-7becd9b1c66f@abelian.org> <6eced61e-a7ce-2935-195d-4a76f375b11e@freenet.de> <b5528534-af84-a430-ff77-5f1497ec473e@abelian.org> <633c1982-97fe-7d9d-7f69-07e3503147bb@abelian.org> <5A88244B.1020304@posteo.de> <1b3df450-bb19-b667-b784-17c8b48917db@abelian.org> <5A889F44.5070205@posteo.de> <358b9220-66f7-39dc-3f92-60fa62a623ee@abelian.org> <4640db50-2fd8-5dcb-edf1-bf91c247813f@verizon.net> <64a7a3ac-c682-6248-34de-9d6274b19951@abelian.org> <5A9A937E.6000309@posteo.de> <3c381c42-d93b-4a58-e698-08e0a5a3cc3d@psk31.plus.com> <5A9AE81E.1020009@posteo.de> <5AA00391.6030804@posteo.de> <5AA052BD.4010002@posteo.de>
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Good morning!

Stefan, DK7FC, was kind enough to guide me to this group. I am one of the operators of the DP0GVN beacon receiver and have just returned from Antarctica after the successfull installation of the system.
We are using a Red Pitaya STEMlab system with a preamplifier to receive and 
decode WSPR signals. The setup is quite versatile and can monitor up to eight 
frequencies simultaneously. The antenne for the low bands is a delta loop 
with a circumference of approximately 180m, about one mile south of Neumayer 
Station III in an electrically very quiet environment.
We do not usually monitor 630m, but can do so at request. For the time being, 
I have included 475.7 kHz daily in the time slot from 0400 UTC to 0700 UTC, 
around our local sunrise. These times can be modified by request. Please do 
not hesitate to contact me if you would like conduct tests on LF.
The receiver was on 630m all night long last night, but unfortunately no 
spots were recorded, even though I know that quite a few stations tried.
We plan an upgrade to the beacon receiver next summer that will enable it to 
cover more frequencies simultaneously. This would enable us to monitor LF 
continously, but that won't happen until early 2019.
Laurence, I enjoyed reading about your previous trips to Antarctica. I never 
got to see Neumayer I, have only been traveling south regularly since 2002 
and spent one winter each at Neumayer II and Neumayer III.
73 from Bremerhaven,

Felix, DL5XL (DP1POL in Antarctica)

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