From: "P. W. Schnoor" <pws@df3lp.de>
To: rsgb_lf_group@blacksheep.org
References: <15349801533730517@sas1-fb8a605c4548.qloud-c.yandex.net>
 <5B6B10ED.4080306@posteo.de> <2BEFD726-129F-4683-A62E-1082A365D232@gmail.com>
 <012a01d42f39$79d06990$6d713cb0$@comcast.net>
Message-ID: <72b88b1c-152c-7ee2-05f1-5ef680dddc27@df3lp.de>
Date: Wed, 8 Aug 2018 22:46:02 +0200
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Subject: Re: LF: 24.0 kHz sig - NAA?
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O.K.

Go to: 
https://groups.yahoo.com/neo/groups/VLF_Group/conversations/messages/25189

Read those ITU infos.

Push: "Show message history"

Read what Markus wrote there.

May be he describes exactly what R6LDD's image shows.

Peter, df3lp

On 08.08.2018 19:01, hvanesce@comcast.net wrote:
> In the mid 60's I wished that my receiver (BC-453/4/5) would reach 24 kHz.
> 
> Still works and still wish; that much stayed the same :-)
> 
> Jim AA5BW
> 
>   
> 
> -----Original Message-----
> From: owner-rsgb_lf_group@blacksheep.org
> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of John Rabson
> Sent: Wednesday, August 8, 2018 12:32 PM
> To: rsgb_lf_group@blacksheep.org
> Subject: Re: LF: 24.0 kHz sig - NAA?
> 
> How times change. In the late 1960s I received NAA on a hot summer afternoon
> in the town of Harlow, about 30 km north-east of London. The antenna was an
> L about 80 m in length and the receiver was an ex-Navy unit which covered
> from 15 to 750kHz (B29?).
> 
> 73 John G3PAI F5VLF
> 
>> On 8 Aug 2018, at 17:49, DK7FC <selberdenken@posteo.de> wrote:
>>
>> Hello Genosse Roman,
>>
>> NAA should be centered exactly at 24 kHz, like DHO38 is at 23.4 kHz. It
> can have strong QSB and appears only a few hours per day. Here it appears
> arround 4 UTC these days.
>> My grabber and all webpages do not work in the moment due to a webserver
> problem which may be solved just next week...
>> These narrow traces are something else, NAA always looks like DHO, about
> 200 Hz wide.
>>
>> 73, Stefan
>>
>> Am 08.08.2018 14:15, schrieb Roman:
>>> Hello Genossen VLFers!
>>>
>>> Pse, look R6LDD screen at russian forum.
>>> What's a station? NAA or not?
>>>
>>> http://136.su/index.php?action=dlattach;topic=393.0;attach=18220;image
>>>
>>> The theme:
>>>
>>> http://136.su/index.php/topic,393.msg21804.html#msg21804
>>>
>>>    
>>
> 
> 
>