[Lowfer] 73.25 kHz

[Howell, Laurence J]

Last time I was in the area working (that was a while ago !) Crimond was blasting around 123kHz from memory - devils own job of keeping the RF out of our systems as we were on a hill just a few miles away at Mormond Hill  Tropo station

Laurence KL7L 

-----Original Message-----
From: Lowfer [mailto:lowfer-bounces at mailman.qth.net] On Behalf Of Clive S Carver
Sent: Friday, September 11, 2015 1:03 PM
To: Lowfer at mailman.qth.net
Subject: [EXTERNAL][Lowfer] 73.25 kHz


Due to a network psu which supplies my SDR-IQ receiver fault, I have not
been monitoring VLF or LF for the last few weeks.
 
Now back up and running, I have noticed the return of transmissions on 73.25
kHz which used to be MTO21 from Rugby many years ago. Then MTO21 was within
the UK 73 kHz LF Band which existed 29th April 1996 to 30th June 2003 with a
1 watt ERP limit.
 
Looking at Peter DF3LP's excellent Kiel Longwave Monitor at www.df3lp.de  I
can see some low power testing on 24th August with H24 operation earlier
this week.
 
At Hawarden, North Wales 53-11-44N 3-01-42W Signal strengths of 71.25 kHz
 -36dB, MSF 60.0 kHz -32 dB, 51.95 kHz -44 dB, DCF77 77.5 kHz -52 dB and
81.0 kHz -24 dB.
 
Likely Tx sites for 73.25 kHz being Crimond, Inskip or Anthorn?
 
73's
 
Clive
GW4EYO


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