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Re: LF: 1476 kHz AM

from [Laurence KL7 L] [Permanent Link][Original]
To: "[email protected]" <[email protected]>
Subject: Re: LF: 1476 kHz AM
From: Laurence KL7 L <[email protected]>
Date: Sat, 10 Nov 2018 22:03:56 +0000
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Thread-topic: LF: 1476 kHz AM

Hi Makus - Its refd to GPS so pretty close...  I put on the HP3336B and checked against two gps disciplined 10MHz refs and both came up the same.  The LF carrier one is quite a "noisy" swing - so maybe we are looking at a different one - I should have switched beams to the West to see if it came up but was running out of darkness... 😊


ps running a JT9-2 slooow Rik OR7T rx instance on 475kHz and all well - its open with about 6 instances of WSJTX and plays well here.


cheers

L



From: [email protected] <[email protected]> on behalf of Markus Vester <[email protected]>
Sent: Saturday, November 10, 2018 12:40 PM
To: [email protected]
Subject: Re: LF: 1476 kHz AM
 
Thanks Laurence - another long shot ;-) How accurate is your frequency readout? Seems like MW broadcasters are hardly ever exactly on frequency.

The "thermostat swinger" came in up about 1 Hz low in the evening
http://df6nm.darc.de/mf/1476kHz_181110_1840.jpg
and now appears to have settled to a more irregular pattern between 0 and + 0.4 Hz above nominal. A local screenshot with hourly update is here:
http://df6nm.darc.de/mf/1476kHz.jpg

Best 73,
Markus

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