[Lowfer] TACAMO on 27.2 kHz

[Michael Sapp]

Graham:  I recall hearing and seeing the 25.2 kHz MSK over the weekend at 
one point here in EN90xn but did not detect the TACAMO on 27.2 or 17.8.

Like you I noticed not all three 24.0/24.8/25.2 US VLF MSKs have been on the 
air together much lately and I have not come across the 18.3 GBZ station 
since last spring....

I'm using an analog DBM converter that is rated down to 10kHz (RAY6 Mini 
Circuits)

73,  Mike wa3tts


----- Original Message ----- 
From: "Graham" <planophore at aei.ca>
To: <lowfer at mailman.qth.net>
Sent: Tuesday, October 07, 2014 7:43 PM
Subject: Re: [Lowfer] TACAMO on 27.2 kHz


>
> Murray,
>
> I have been running this VLF grabber for some time primarily to support my 
> SID monitoring and secondly (very close second) for just my interesting in 
> VLF in general.
>
> My SID plots can be found here: 
> https://www.dropbox.com/sh/kilefa17883zgoj/AADb1lhjsNAKuJduCIiMbx8Ya#/
>
> updated every 5 minutes. The plots also contain the GOES-15 X-ray solar 
> flux as collected from NASA, the green and blue lines.  I must do some 
> cleaning up, I haven't seen HWU on 18.3 for quite some time and I don't 
> what has happened to NLM on 25.2KHZ. I haven't seen NLM for quite some 
> time, all summer at least I seem to recall.
>
> cheers, Graham ve3gtc
>
>
> On 2014-10-07 07:52, Garry Hess wrote:
>> Graham, Thanks for running a VLF grabber. I didn't know about yours and 
>> bookmarked it in my (short) list. It will be interesting to compare your 
>> copy of TACAMO transmissions with Laurence's grabber.
>
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