[Lowfer] 26. KHz Transmission

[jrusgrove at comcast.net]

Clive

Based on signal strength and propagation observations from here that sounds reasonable.

Jay W1VD  WD2XNS  WE2XGR/2


----- Original Message ----- 
From: "Clive S Carver" <clive at ancient-mariner.co.uk>
To: "'Discussion of the Lowfer (US, European, &amp;UK) and MedFer bands'" <lowfer at mailman.qth.net>
Sent: Wednesday, February 02, 2011 7:38 AM
Subject: Re: [Lowfer] 26. KHz Transmission


>I posted similar on the VLF_Group at yahoogroups.com and received a reply from
> Paul Nicolson of Todmorden UK, 53.703N 2.072W. He has kindly provided a
> bearing from his QTH of 111.7 deg. And for comparison, 
> 
> NAA measures 285.9 deg, actual bearing 285.2 deg.
> DHO measures 92.6 deg, actual bearing 92.2 deg.
> 
> When I put his bearing onto an azimuthal equidistant map for the NW UK, his
> bearing runs through Germany, Austria, Romania, Turkey, Syria, Iraq, Saudi
> Arabia and Yeman/Oman. 
> 
> In a later reply, Paul's guess: Saudi Arabia, somewhere between Jeddah and
> Riyadh.
> 
> However, I noticed that just off Paul's bearing - although that would appear
> to be accurate, that rather interestingly Diego Garcia would be 107 degrees
> from his QTH.....
> 
> Food for thought?
> 
> Cheers!
> 
> Clive
> GW4EYO
> 
> -----Original Message-----
> From: lowfer-bounces at mailman.qth.net [mailto:lowfer-bounces at mailman.qth.net]
> On Behalf Of ToddRoberts2001 at aol.com
> Sent: 01 February 2011 22:32
> To: lowfer at mailman.qth.net
> Subject: Re: [Lowfer] 26. KHz Transmission
> 
> In a message dated 2/1/2011 1:59:47 P.M. Eastern  Standard Time, 
> clive at ancient-mariner.co.uk writes:
> 
> I had hoped to have  been able to have given a DF bearing (+/- 180 degrees)
> using my Wellbrook  LFL1010 and a homemade compass card with the UK Anthorn
> transmission as a  known reference. 
> 
> However from my home location found that Anthorn's 19.6  KHz and 60 KHz
> transmissions were not on same bearing! Guess the difference  in frequency
> and re-radiation from nearby overhead 132 kV power lines did not  help.
> Anthorn is only 120 miles away, so a good signal. My receiver being a  
> SDR-IQ
> 
> Best guess was 280 - 320 degrees (or of course 100 - 140 degrees)  from my
> QTH 53-12N 003-02W
> 
> By calculation, Cutler NAA on 24.0 KHz is  285 degrees and in fact from here
> most of the east coast of North America  would be on a similar initial Great
> Circle initial bearing.
> 
> One thing,  whilst swinging the loop, noticed that both NAA 24.0 KHz and 
> 26.0
> KHz were  nulling simultaneously on my SpectraVue display, which does 
> suggest
> east  coast USA.
> 
> Has anyone managed a bearing from the US?
> 
> 73's  
> 
> Clive
> 
> GW4EYO
> 
> Hi Clive,
>>From what I can determine so far  the 26.0 signal is coming from the
> East of USA, possibly somewhere in Europe.  The signal is very weak
> in Eastern USA during the daytime, but as darkness  approaches the 
> signal greatly increases in strength, consistent with a  signal from Europe.
> 
> When the signal was weak midday here in the USA on  Monday it was still 
> strong on the DF3LP spectrum display in Germany.
> I am  hearing the signal right now at 2230UTC.
> 
> 73 - Todd WD4NGG  
> 
> ______________________________________________________________
> Lowfer mailing list
> Home: http://mailman.qth.net/mailman/listinfo/lowfer
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Lowfer at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> 
> ______________________________________________________________
> Lowfer mailing list
> Home: http://mailman.qth.net/mailman/listinfo/lowfer
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Lowfer at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html